Semesterübersicht Sommersemester 2025
Wintersemester 2024/2025 - Sommersemester 2025 - Wintersemester 2025/2026
07 Apr 2025
Seminar über die Physik der kondensierten Materie (SFB/TRR173 Spin+X und SFB/TR288 Kolloquium, TopDyn-Seminar)
JGU 14:00 Uhr s.t., 05-427 Sozialraum der Thep |
| Prof. Junichiro Kono, Rice University Houston United States | |
Recent advances in optical studies of condensed matter have led to the emergence of a variety of phenomena that have conventionally been studied in quantum optics. These studies have not only deepened our understanding of light-matter interactions but also introduced aspects of many-body effects inherent in condensed matter. This talk will describe our recent studies of Dicke cooperativity, i.e., many-body enhancement of light-matter interaction, a concept in quantum optics, in condensed matter. This enhancement has led to the realization of the ultrastrong coupling (USC) regime, where new phenomena emerge through the breakdown of the rotating wave approximation (RWA). We will first describe our observation of USC in a 2D electron gas in a high-Q terahertz cavity in a magnetic field, and definitive evidence for the vacuum Bloch-Siegert shift, a signature of the breakdown of the RWA. Further, we have shown that cooperative USC also occurs in magnetic solids in the form of matter-matter interaction, i.e., spin-magnon and magnon-magnon interactions in rare earth orthoferrites. Particularly, the exchange interaction of N paramagnetic Er3+ spins with an Fe3+ magnon field in ErFeO3 has exhibited a vacuum Rabi splitting whose magnitude is proportional to N1/2 [6]. In the lowest temperature range, these cooperative interactions lead to a magnonic superradiant phase transition. These results provide a route for understanding, controlling, and predict novel phases of condensed matter. | |
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Seminar über die Physik der kondensierten Materie (SFB/TRR173 Spin+X und SFB/TR288 Kolloquium, TopDyn-Seminar)
JGU Sonderseminar: 14:00 Uhr s.t., 05-427 Sozialraum der Thep |
| Prof. Junichiro Kono, Rice University Houston United States | |
Recent advances in optical studies of condensed matter have led to the emergence of a variety of phenomena that have conventionally been studied in quantum optics. These studies have not only deepened our understanding of light-matter interactions but also introduced aspects of many-body effects inherent in condensed matter. This talk will describe our recent studies of Dicke cooperativity, i.e., many-body enhancement of light-matter interaction, a concept in quantum optics, in condensed matter. This enhancement has led to the realization of the ultrastrong coupling (USC) regime, where new phenomena emerge through the breakdown of the rotating wave approximation (RWA). We will first describe our observation of USC in a 2D electron gas in a high-Q terahertz cavity in a magnetic field, and definitive evidence for the vacuum Bloch-Siegert shift, a signature of the breakdown of the RWA. Further, we have shown that cooperative USC also occurs in magnetic solids in the form of matter-matter interaction, i.e., spin-magnon and magnon-magnon interactions in rare earth orthoferrites. Particularly, the exchange interaction of N paramagnetic Er3+ spins with an Fe3+ magnon field in ErFeO3 has exhibited a vacuum Rabi splitting whose magnitude is proportional to N1/2 [6]. In the lowest temperature range, these cooperative interactions lead to a magnonic superradiant phase transition. These results provide a route for understanding, controlling, and predict novel phases of condensed matter. | |
Sonderseminar | |
Special Event |
15 Apr 2025
Physikalisches Kolloquium
Institut für Physik 16:15 Uhr s.t., HS KPH |
| Andrew Webb, Leiden University Medical Centre, NL | |
Magnetic resonance imaging is an inherently non-invasive technique with biological applications from the cellular to human size-scales. A major technological push has been towards stronger magnetic fields, which can be >20 Tesla for preclinical studies and >10 Tesla for humans, since these increase the signal strength and ultimate imaging resolution. Such systems, however, require advances in hardware design, acquisition sequences and image processing algorithms to achieve optimal performance. The first part of this talk will concentrate on technical challenges and practical approaches for human scanning at 7 Tesla and above. The challenges include B_1 and B_0 inhomogeneities, increased specific absorption rate, and high sensitivity to movement. Neurological and neuroscience applications discussed include ocular and neurological tumours, epilepsy, neuromuscular diseases, glymphatic clearance and mechanistic studies of lithium for bipolar disorders. The second part will discuss the opposite end of the MRI spectrum, ultra-low field systems at ~50 mT which have been designed to address the challenges of global healthcare accessibility. The challenges here are diametrically opposite to those at high field, and topics of system design, characterization and in vivo applications will be highlighted. | |
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Theorie-Palaver
Institut für Physik 14:00 Uhr s.t., Lorentz room (Staudingerweg 7, 5th floor) |
| Eleftheria Solomonidi, Siegen U. | |
The CP violation observed in the hadronic decays of charmed mesons remains a puzzling open question for theorists. Calculations relying on the assumption of inelastic final-state interactions occurring between the pairs of pions and kaons fall short of the experimental value. It has been pointed out that a third channel of four pions can leave imprints on the CP asymmetries of the two-body decays. At the same time, plenty of data are available for rare decays such as \(D^0\to\pi^+\pi^-\ell^+\ell^-\), which provide a promising environment for the search for new physics. With this motivation, we study the cascade topology \(D^0\to a_1(1260)^+(\to \rho(770)^0\pi^+)\,\pi^-\), which has been measured to contribute significantly to the \(4\pi\) decays of the same meson, and estimate its effect on the branching ratio of the rare decays. I will also comment on the possibility of this topology contributing to the decay amplitude of \(D^0\to\pi^+\pi^-\) and by extension to the related CP asymmetry. | |
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16 Apr 2025
PRISMA+ Colloquium
Institut für Physik 13:00 Uhr s.t., Lorentz-Raum, 05-127, Staudingerweg 7 |
| Prof. Dr. Antoine Kouchner, APC, France | |
Thanks to their extremely weak interaction with matter and neutral electric charge, neutrinos travel vast cosmic distances without deflection, providing a unique and complementary approach to investigating the most energetic events in the Universe.
Neutrino telescopes are designed to detect Cherenkov light inferred by neutrino interactions. After more than fifteen years of data collection, the pioneering ANTARES detector has been successfully dismantled, making way for its next-generation successor, KM3NeT, deployed at two sites in the Mediterranean Sea. Near the former ANTARES location, off the coast of Toulon (France), KM3NeT/ORCA is dedicated to studying the intrinsic properties of atmospheric neutrinos through their oscillations within the Earth. Further southeast, off the coast of Sicily, KM3NeT/ARCA is monitoring the high-energy sky in search of cosmic neutrinos.
In this presentation, I will highlight the latest insights in neutrino (astro)physics emerging from the depths of the Mediterranean. Particular attention will be given to the recent detection of an ultra-high-energy neutrino event, designated KM3-230213A, by KM3NeT/ARCA. The observed particle is a muon with an estimated energy of 120+110−60 PeV. Its exceptionally high energy and nearly horizontal trajectory suggest that its parent neutrino originated from a cosmic accelerator or could potentially be the first detected cosmogenic neutrino—produced when ultra-high-energy cosmic rays interact with background photons in the Universe. This groundbreaking observation underscores the remarkable capabilities of deep-sea neutrino telescopes in unveiling new astrophysical phenomena.
To also view graphic content, follow the link:
https://www.thep.physik.uni-mainz.de/files/2025/04/Title_Abstract_Mainz_AK_16.04.2025.pdf | |
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17 Apr 2025
Seminar über Quanten-, Atom- und Neutronenphysik (QUANTUM)
Institut für Physik 14:15 Uhr s.t., IPH Lorentzraum 05-127 |
| Dr. Hendrik Bekker, Helmholtz Institut Mainz | |
We aim to advance antimatter research through tabletop experiments that operate independently of accelerator infrastructure, allowing for much lower noise levels and freedom from beamtime schedules. Our approach involves Dual RadioFrequency Traps (DRFTs) to confine the constituents of antihydrogen: positrons and antiprotons. Due to the different charge-to-mass ratios, each species primarily couples to a separate RF field. Unlike other traps, DRFTs naturally allow two species, even those of opposite charge, to be brought close together so that high production rates of antihydrogen can be achieved. Additionally, their open geometry is advantageous for laser spectroscopy. In our pioneering study, we develop a DRFT for co-trapping electrons and calcium ions which act as stand-ins for positrons and antiprotons. We demonstrate seperate storage times of up to a second and are developing an improved DRFT to extend this. In parallel, we are developing a low-energy positron source which will allow us to study bound positron-atom systems while other groups work on developing tools to transport antiprotons for future studies on antihydrogen. | |
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22 Apr 2025
Theorie-Palaver
Institut für Physik 14:00 Uhr s.t., Lorentz room (Staudingerweg 7, 5th floor) |
| Duarte Fontes, KIT | |
Muon conversion — the process of a bound muon decaying into an energetic electron — is one of the best probes of charged lepton flavor violation. The experimental limit is soon expected to improve by four orders of magnitude, thus calling for precise predictions on the theory side. Equally important are precise predictions for muon decay-in-orbit, the main background for muon conversion. While the calculation of electromagnetic corrections to the two processes above the nuclear scale does not involve significant challenges, it becomes substantially more complex below that scale due to multiple scales, bound-state effects and experimental setup. In this talk, I present a systematic framework that addresses these challenges by resorting to a series of effective field theories. Combining Heavy Quark Effective Theory (HQET), Non-Relativistic QED (NRQED), potential NRQED, Soft-Collinear Effective Theory I and II, and boosted HQET, I derive a factorization theorem and present the renormalization group equations. | |
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23 Apr 2025
PRISMA+ Colloquium
Institut für Physik 13:00 Uhr s.t., Lorentz-Raum, 05-127, Staudingerweg 7 |
| Prof. Dr. Xianguo Lu, University of Warwick, England, UK | |
Neutrinos, though nearly massless and weakly interacting, play a central role in modern physics—from the origin of mass and the nature of matter–antimatter asymmetry to the search for physics beyond the Standard Model. Yet one of the main obstacles to fully realising their potential lies in our limited understanding of how neutrinos interact with matter. These interactions are complex, often involving nuclear effects that are difficult to model and challenging to measure. As a result, they introduce significant systematic uncertainties in precision experiments, including those aiming to determine mixing parameters and explore CP violation.
This talk will provide an accessible overview of why neutrino interaction physics is both essential and challenging, and how it connects nuclear and particle physics. I will outline current experimental limitations and discuss the key requirements for future progress: well-characterised neutrino beams, dedicated measurements, and new experimental strategies. These advances are not only crucial for interpreting results from current and future experiments, but also for enabling discoveries that may reshape our understanding of fundamental physics. As an illustrative example, I will introduce nuSTORM—a proposed facility based on stored muons—as a next-generation platform for precision neutrino scattering and searches for new physics. | |
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24 Apr 2025
Seminar über Quanten-, Atom- und Neutronenphysik (QUANTUM)
Institut für Physik 14:15 Uhr s.t., IPH Lorentzraum 05-127 |
| Prof. Dr. Piet O. Schmidt, Physikalisch-Technische Bundesanstalt & Leibniz Universität Hannover | |
Optical atomic clocks with eighteen significant digits are the most accurate measurement devices available to us with applications ranging from tests of fundamental physics to height difference measurements in relativistic geodesy. The uncertainty in trapped-ion clocks is limited by systematic frequency shifts and quantum projection noise. In my presentation, I will show how quantum engineering techniques can overcome these limitations. Quantum algorithms provide access to new clock species such as highly charged ions with reduced systematic shifts and high sensitivity to searches for new physics, including hypothetical fifth forces, variation of fundamental constants and dark matter candidates. Dynamical decoupling and entangled state spectroscopy in a multi-ion frequency reference offer suppression of systematic shifts, while improving the signal-to-noise ratio of the clock and thus the required averaging time to reach a certain resolution. These developments will pave the way towards a next generation of quantum-enhanced clocks that enter the 10-19 relative frequency uncertainty regime. | |
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GRK 2516 Soft Matter Seminar
Uni Mainz 14:30 Uhr s.t., Minkowski Room, 05-119, Staudingerweg 7 |
| Shikha Dhiman, JGU, Chemistry | |
TBA | |
| at Zoom | |
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GRK 2516 Soft Matter Seminar
Uni Mainz 15:00 Uhr s.t., Minkowski Room, 05-119, Staudingerweg 7 |
| Michael te Vrugt, JGU, Physics | |
TBA | |
| at Zoom | |
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zukünftige Termine
29 Apr 2025
Physikalisches Kolloquium
Institut für Physik 16:15 Uhr s.t., HS KPH |
| Frauke Gräter, Max Planck Institute for Polymer Research | |
Life is physics and chemistry in action. While molecular simulations of systems as complex as whole cells are now within reach, predicting chemical reactivity on relevant time and length scales remains a challenge. I will present our recent work towards bringing action – here: chemistry – to classical simulations and molecular design through machine learning.
Among others, we substitute costly quantum mechanical calculations with a graph neural network-based emulator. Our framework can deal with the plethora of life’s chemistry amidst the ‘jiggling and wiggling’ of biomolecules. Importantly, we also uncover unexpected biomolecular processes that we in turn put to test in experiments. Finally, I will demonstrate how we harness a flow-matching model to predict biomolecular dynamics. Our method paves the way for generating novel flexible and functional proteins. | |
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Theorie-Palaver
Institut für Physik 14:00 Uhr s.t., Lorentz room (Staudingerweg 7, 5th floor) |
| Simone Zoia, U. Zurich | |
Top-quark pair production in association with a jet is a key process at the LHC. Its high sensitivity to the top mass and the increasing experimental precision call for the QCD corrections to be computed at the next-to-next-to-leading order (NNLO). In this seminar, I will present the computation of the two-loop Feynman integrals required to obtain NNLO QCD predictions in the leading colour approximation. These integrals are characterised by significant algebraic complexity—stemming from the multi-scale, five-particle kinematics—as well as analytic complexity, due to the appearance of nested square roots and elliptic functions. I will discuss modern methods for tackling multi-scale integrals in a way that is suitable for phenomenology, and outline first steps to extend these techniques to cases involving elliptic functions. | |
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30 Apr 2025
PRISMA+ Colloquium
Institut für Physik 13:00 Uhr s.t., Lorentz-Raum, 05-127, Staudingerweg 7 |
| Prof. Dr. Daniel Stolarski, Carleton University, Ottawa, Canada | |
Quantum field theory (QFT), a framework that combines special relativity and quantum mechanics, is the language used to describe the fundamental particles and interactions of our universe. One of the most powerful tools in QFT is perturbation theory, which has given rise to some of the most precise predictions in science. There are QFTs, however, where perturbation theory does not work, the most prominent being the theory of the strong force, Quantum Chromodynamics. In this talk, I will describe some recently developed tools used to better understand non-perturbative QFTs. One of these tools is called supersymmetry, which allows one to treat the spherical cow of QFTs. Finally, I will explore whether these tools could be applicable to the real world strong force. | |
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06 May 2025
Physikalisches Kolloquium
Institut für Physik 16:15 Uhr s.t., HS KPH |
| Yafang Cheng, Max Planck Institute for Chemistry | |
Aerosol chemistry: from molecular dynamics to atmospheric vortices | |
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Theorie-Palaver
Institut für Physik 14:00 Uhr s.t., Lorentz room (Staudingerweg 7, 5th floor) |
| Apostolos Pilaftsis, Manchester U. | |
By employing the Bloch-sphere formalism, I will present a novel class of unstable qubits, which are called Critical Unstable Qubits (CUQs). The characteristic property of CUQs is that the energy-level and decay-width Pauli vectors, E and Γ, are orthogonal to one another, and the key parameter r = |Γ|/(2|E|) is less than 1. A remarkable feature of CUQs is that they exhibit atypical behaviours like coherence-decoherence oscillations when analysed in an appropriately defined co-decaying frame of the system. In the same frame, I will show how a unit Bloch vector b describing a pure CUQ sweeps out unequal areas during equal intervals of time, while rotating about the vector E. These phenomena emerge beyond the usual oscillatory pattern due to the energy-level difference of a standard two-level quantum system. I will illustrate how these new features are relatively robust and persist even for quasi-CUQs, in which the vectors E and Γ are not perfectly orthogonal to each other. I discuss potential applications of our results to quantum information and to unstable meson-antimeson and other systems. | |
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07 May 2025
PRISMA+ Colloquium
Institut für Physik 13:00 Uhr s.t., Lorentz-Raum, 05-127, Staudingerweg 7 |
| Prof. Dr. Florian Bernlochner, University Bonn | |
Status and Outlook of the Belle II Experiment | |
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08 May 2025
Seminar über Quanten-, Atom- und Neutronenphysik (QUANTUM)
Institut für Physik 14:15 Uhr s.t., IPH Lorentzraum 05-127 |
| Dr. Denis Kopylov, Universität Paderborn Comp. Optoelectronics and Photonics | |
TBA | |
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13 May 2025
Physikalisches Kolloquium
Institut für Physik 16:15 Uhr s.t., HS KPH |
| Anna Balazs, University of Pittsburgh, USA | |
Harnessing Chemo-Mechanical Interactions To Regulate Behavior Of Flexible Materials In Confined Fluids | |
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Theorie-Palaver
Institut für Physik 14:00 Uhr s.t., Lorentz room (Staudingerweg 7, 5th floor) |
| Rourou Ma, MPP, USTC | |
TBA | |
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14 May 2025
PRISMA+ Colloquium
Institut für Physik 13:00 Uhr s.t., Lorentz-Raum, 05-127, Staudingerweg 7 |
| Prof. Dr. Garrett King, Los Alamos, USA | |
Study of Nuclear Physics for New Physics with Quantum Monte Carlo | |
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20 May 2025
Physikalisches Kolloquium
Institut für Physik 16:15 Uhr s.t., HS KPH |
| Libor Smejkal, JGU Mainz, INSPIRE Group | |
tba | |
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Theorie-Palaver
Institut für Physik 14:00 Uhr s.t., Lorentz room (Staudingerweg 7, 5th floor) |
| Renato Maria Prisco, Napels U. | |
TBA | |
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21 May 2025
PRISMA+ Colloquium
Institut für Physik 13:00 Uhr s.t., Lorentz-Raum, 05-127, Staudingerweg 7 |
| Prof. Dr. Andreas Jüttner, CERN, Geneva, Switzerland | |
Flavour Physics on the Lattice | |
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22 May 2025
GRK 2516 Soft Matter Seminar
Uni Mainz 14:30 Uhr s.t., Minkowski Room, 05-119, Staudingerweg 7 |
| Hans-Jürgen Butt, MPI-P | |
TBA | |
| at Zoom | |
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GRK 2516 Soft Matter Seminar
Uni Mainz 15:00 Uhr s.t., Minkowski Room, 05-119, Staudingerweg 7 |
| Regine von Klitzing, TU-Darmstadt, Physics | |
TBA | |
| at Zoom | |
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Seminar über die Physik der kondensierten Materie (SFB/TRR173 Spin+X und SFB/TR288 Kolloquium, TopDyn-Seminar)
JGU 14:00 Uhr s.t., 01 122 Newton-Raum |
| Rembert Duine, Eindhoven University of Technology | |
Synthetic antiferromagnets are magnetic multilayers consisting of two or more ferromagnetic layers that are coupled antiferromagnetically. They play an important role in spintronic devices, e.g., as field sensors, and as synthetic materials for fundamental explorations. In this talk, I will highlight the use of synthetic antiferromagnets for quantum information science with spin waves, i.e., for quantum magnonics. Examples that are discussed are unidirectionally-coupled magnetic layers that give rise to magnon quantum amplification, and new ways to entangle magnons between two ferromagnetic layers. Both these examples rely on the possibility to engineer both the interactions between the layers, and the interactions of the magnetic layers with the environment. This tunability highlights the potential of synthetic antiferromagnets for quantum magnonics. | |
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27 May 2025
Physikalisches Kolloquium
Institut für Physik 16:15 Uhr s.t., HS KPH |
| Subir Sarkar, University of Oxford | |
In the ΛCDM cosmological model the Universe is assumed to be isotropic and homogeneous when averaged on large scales. That the Cosmic Microwave Background has a dipole anisotropy is interpreted as due to our peculiar (non-Hubble) motion because of local inhomogeneity. There must then be a corresponding dipole in the sky distribution of sources at high redshift. Using catalogues of radio sources and quasars we find that this expectation is rejected at >5σ, i.e. the distribution of distant matter is not isotropic in the 'CMB frame’. This calls into question the standard practice of boosting to this frame to analyse cosmological data, in particular to infer acceleration of the Hubble expansion rate using Type Ia supernovae, which is then interpreted as due to a Cosmological Constant Λ. We find that the inferred acceleration is anisotropic (in the direction of the CMB hotspot) and likely illusory because of our being embedded in a coherent bulk flow, rather than due to dark energy. | |
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Theorie-Palaver
Institut für Physik 14:00 Uhr s.t., Lorentz room (Staudingerweg 7, 5th floor) |
| Sulagna Bhattacharya, Tata Institute, Mumbai | |
TBA | |
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28 May 2025
PRISMA+ Colloquium
Institut für Physik 13:00 Uhr s.t., Lorentz-Raum, 05-127, Staudingerweg 7 |
| Prof. Dr. Jacqueline Keintzel, CERN, Geneva, Switzerland | |
Future colliders: possibilities and challenges | |
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03 Jun 2025
Physikalisches Kolloquium
Institut für Physik 16:15 Uhr s.t., HS KPH |
| Christian Weinheimer, Universität Münster | |
tba | |
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Theorie-Palaver
Institut für Physik 14:00 Uhr s.t., Lorentz room (Staudingerweg 7, 5th floor) |
| Kevin Brune, Siegen U. | |
TBA | |
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04 Jun 2025
PRISMA+ Colloquium
Institut für Physik 13:00 Uhr s.t., Lorentz-Raum, 05-127, Staudingerweg 7 |
| Prof. Dr. Livia Ludhova, FZ Jülich & JGU Mainz | |
Present Status of JUNO | |
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05 Jun 2025
Seminar über Quanten-, Atom- und Neutronenphysik (QUANTUM)
Institut für Physik 14:15 Uhr s.t., IPH Lorentzraum 05-127 |
| Prof. Dr. Christine Silberhorn, Universität Paderborn (Integrierte Quantenoptik) | |
TBA | |
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10 Jun 2025
Physikalisches Kolloquium
Institut für Physik 16:15 Uhr s.t., HS KPH |
| Günter Reiss, Universität Bielefeld | |
Magnetic Heterostructures: From Sensors and Memories to Altermagnets | |
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11 Jun 2025
PRISMA+ Colloquium
Institut für Physik 13:00 Uhr s.t., Lorentz-Raum, 05-127, Staudingerweg 7 |
| Prof. Dr. Frank Ohme, MPI for Gravitational Physics, Hannover | |
Gravitational Waves with LIGO & Precision Tests of the Gravitational Law | |
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12 Jun 2025
Seminar über Quanten-, Atom- und Neutronenphysik (QUANTUM)
Institut für Physik 14:15 Uhr s.t., IPH Lorentzraum 05-127 |
| Prof. Dr. Sven Höfling, Julius-Maximilians-Universität Würzburg | |
TBA | |
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17 Jun 2025
Physikalisches Kolloquium
Institut für Physik 16:15 Uhr s.t., Staudinger Hörsaal |
| Serge Haroche, Laboratoire Kastler Brossel, Collège de France | |
TBA | |
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18 Jun 2025
PRISMA+ Colloquium
Institut für Physik 13:00 Uhr s.t., Lorentz-Raum, 05-127, Staudingerweg 7 |
| Prof. Dr. Thomas Siegert, University Würzburg | |
MeV Astrophysics - INTEGRAL’s Heritage and COSI’s Future | |
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24 Jun 2025
Physikalisches Kolloquium
Institut für Physik 16:15 Uhr s.t., HS KPH |
| Nir Barnea, The Hebrew University of Jerusalem | |
Behaviour of Correlated Nucleon Pairs Inside Nuclei | |
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25 Jun 2025
PRISMA+ Colloquium
Institut für Physik 13:00 Uhr s.t., Lorentz-Raum, 05-127, Staudingerweg 7 |
| Prof. Dr. Ruth Pöttgen, Lund University, Sweden | |
The LDMX Experiment | |
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26 Jun 2025
GRK 2516 Soft Matter Seminar
Uni Mainz 14:30 Uhr s.t., Minkowski Room, 05-119, Staudingerweg 7 |
| Friederike Schmid, JGU, Physics | |
TBA | |
| at Zoom | |
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GRK 2516 Soft Matter Seminar
Uni Mainz 15:00 Uhr s.t., Minkowski Room, 05-119, Staudingerweg 7 |
| Thomas Speck, University of Stuttgart, Physics | |
TBA | |
| at Zoom | |
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01 Jul 2025
Physikalisches Kolloquium
Institut für Physik 16:15 Uhr s.t., HS KPH |
| Dennis Lehmkuhl, Universität Bonn | |
Philosophy of Physics | |
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02 Jul 2025
PRISMA+ Colloquium
Institut für Physik 13:00 Uhr s.t., Lorentz-Raum, 05-127, Staudingerweg 7 |
| Prof. Dr. Chen Ji, Wuhan University, China | |
Effective field theory for Nuclear Halo and Clustering | |
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03 Jul 2025
GRK 2516 Soft Matter Seminar
Uni Mainz 14:30 Uhr s.t., Minkowski Room, 05-119, Staudingerweg 7 |
| Katrin Amann-Winkel, MPI-P | |
TBA | |
| at Zoom | |
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GRK 2516 Soft Matter Seminar
Uni Mainz 15:00 Uhr s.t., Minkowski Room, 05-119, Staudingerweg 7 |
| Pol Besenius, JGU, Chemistry | |
TBA | |
| at Zoom | |
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08 Jul 2025
Physikalisches Kolloquium
Institut für Physik 16:15 Uhr s.t., HS KPH |
| Volker Springel, Max Planck-Institut für Astrophysik, Garching | |
Numerical calculations of cosmic structure formation have become a powerful tool in astrophysics. Starting right after the Big Bang, they are not only able to accurately predict the dark matter backbone of the cosmic web far into the non-linear regime, but are also capable of following baryonic physics with rapidly improving fidelity. In my talk, I will review the methodology and selected results of recent structure formation simulations that follow large parts of the observable universe. I will discuss some of the primary challenges in modelling strong, scale-dependent feedback processes that regulate star formation in galaxies, and highlight the important role played by supermassive black holes in galaxy formation. I will also discuss extremely large simulations and describe how they help to make reliable predictions for the impact of baryons and massive neutrinos on cosmological observables, effects that need to be understood to make full use of upcoming new survey data. The simulation results also shed light on cosmic reionization and magnetic field amplification during non-linear structure formation. Finally, I will highlight some of the methodological and technical challenges involved in obtaining future multi-physics, multi-scale simulations that aim for more accurate predictions. | |
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17 Jul 2025
Seminar über Quanten-, Atom- und Neutronenphysik (QUANTUM)
Institut für Physik 14:15 Uhr s.t., IPH Lorentzraum 05-127 |
| Prof. Dr. Stefanie Barz, University of Stuttgart Institute for Functional Matter and Quantum Tech | |
TBA | |
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