Title: Aspects of symmetry and gravity, Abstract: I will review the core questions in quantum field theory and gravity for the research in my group. I will also describe recent developments in the study of symmetry of quantum systems and their potential implications for gravity.
TITLE: Memory and Plasticity in Amorphous Solids ABSTRACT: While we are all familiar with retaining information in a computer or our minds, memory is an essential quality of many more non-equilibrium systems around us. We consider what information is stored in the arrangement of the particles in a 2D solid adsorbed at an oil-water interface. […]
Title: How Much Do We Understand About Early Galaxy Formation? Abstract: The “Cosmic Dawn” of galaxy formation is one of the frontiers of modern astronomy. In the past two years, JWST has provided tantalizing clues about sources in the first several hundred million years of the Universe’s history that challenge our understanding this era, including […]
Title: Fundamental Physics and Cosmology from Stellar Mass Binary Black Holes Abstract:The first three observing runs of the LIGO, Virgo, and KAGRA gravitational wave detectors produced a wealth of "firsts," including the first observation of multiple "ringdown" modes from a black hole---the remnant of the first-ever binary black hole merger, GW150914. Just like an excited […]
* Lunch at noon TITLE: Testing Gravity at ever shorter scale: a trip into exotic experimental physics ABSTRACT: Since the times of Henry Cavendish and John Mitchell, the strength of gravity has been measured by comparing it to the reaction of a calibrated mechanical spring. While in the last 60 years planetary measurements (with natural and […]
Condensed Matter & Biological Physics Seminar: Salem Al Mosleh (University of Maryland Eastern Shore) Host: Brian Camley
Title: Quantum near extremal black holes and anomalies Abstract: The Bekenstein–Hawking formula gives a coarse-grained count of the number of microstates of a black hole, and it is remarkable that it may sometimes be reproduced from a microscopic count in string theory. However, the standard approach (which we will briefly review) typically relies on supersymmetry by counting […]
Talk titles will be available on the CAS wiki page.
TITLE: Photonic Band Gap R&D for Next Generation Axion Haloscopes ABSTRACT: Axions are a well-motivated dark matter candidate particle, which have the potential to simultaneously solve multiple problems in particle physics. As a dark matter candidate, large scale haloscopes, such as ADMX and HAYSTAC, aim to detect axions in the galactic halo by measuring the […]
Moon Ying on the topic "Protein assemblies prefer regular growth due to membrane energy penalty during budding" and Mateusz Ratman with the title "Spontaneous spatial sorting by cell shape in growing colonies of rod-like bacteria"
TITLE: Quantum geometry: how to picture bound electrons in periodic lattices ABSTRACT: The concept of quantum geometry has been at the forefront of condensed matter physics, starting from how quantized Berry curvature leads to quantized Hall conductivity, anomalous velocities in Dirac metals, or other topological responses in a growing list of so-called topological materials. Recently, […]
TITLE: Quasinormal Modes from Penrose Limits ABSTRACT: In this talk, I will explain how to describe quasinormal modes with a large real frequency using Penrose limits. To do so, I first recall relevant aspects of the Penrose limit, as well as the plane wave spacetimes that arise in this limit, to subsequently tie this together with […]