Department-wide Colloquium: Lisa Kewley (Harvard-Smithsonian CFA)

Bloomberg 272 - Schafler Auditorium

Hosted by JHU Gender Minorities & Women in Physics (G-WiP), TITLE: A new vision for the Center for Astrophysics | Harvard & Smithsonian ABSTRACT: I will present the latest discoveries and developments at the Center for Astrophysics | Harvard & Smithsonian (CfA).  Our discoveries cover solar astrophysics, star formation and evolution, galaxy formation & evolution, extrasolar […]

High energy physics theory seminar: Will Farr (Stony Brook & CCA)

Bloomberg 462

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 […]

High energy physics theory seminar: Steven Furlanetto

Bloomberg 462

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 […]

Condensed matter & biological physics seminar: Nathan Keim (Penn State)

Bloomberg 462

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. […]

Broad Theory Seminar: Ibou Bah

Bloomberg 462

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. 

High energy physics theory seminar: Naritaka Oshita

Bloomberg 462

Title: Universality in a black hole ringing: excitation factors and greybody factors, Abstract: The ringdown gravitational waves emitted by a ringing black hole areimportant for testing strong gravity physics. However, achievingprecise detection requires not only advances in observationaltechniques but also a deeper theoretical understanding of ringdown orquasinormal-mode (QNM) excitation. In this talk, I will explain theuniversality […]

Condensed matter & biological physics seminar:  Liang Wu (U Penn)

Bloomberg 462

Scanning time-resolved optical studies on Kagome superconductors The kagome lattice provides a fascinating playground to study geometrical frustration, topology and strong correlations. The newly discovered kagome metals AV3Sb5 (A = K, Rb, Cs) exhibit exotic phases including charge density waves (CDWs) and superconductivity. In our study, we perform scanning birefringence and circular dichroism (CD) microscopy on CsV3Sb5. The scanning […]

Astrophysics Seminar: J. Richard Bond (University of Toronto)

Bloomberg 462

von Neumann of (thermal) quantum entropy fame purportedly responded to Shannon asking what his novel classical information content measure should be called: paraphrasing, entropy, nobody understands it anyway. Nowadays thermal entropy, gravitational entropy and information entropy have merged as ideas, and expanded to encompass phase info as well as counting info, into quantum information aka […]