Events Archive

Virtual Biophysics Seminar: Zvonimir Dogic, UCSB, Brandeis|Sculpting liquid interfaces with active stresses
Mon, Feb 7, 2022, 12:30 pm12:30 pm

Controlling interfacial structure and dynamics of phase separating fluid mixtures is key to creating diverse functional materials. Traditionally, this is accomplished by controlling interface chemistry, through the presence of surface-modifying amphiphilic agents. Using a phase separating mixture of active and passive fluids, we study how…

Speaker
A free lecture open to the public.
PGI Spring Seminar|Virtual Series| Jan Sbierski |University of Edinburgh|"The Strong Cosmic Censorship Conjecture and Singularities Inside Rotating Black Holes"
Mon, Feb 7, 2022, 12:30 pm12:30 pm

Abstract: One can paraphrase Penrose’s strong cosmic censorship conjecture as stating that general relativity is generically a deterministic theory. While the full conjecture remains wide open there has long been evidence pointing towards its validity at least for small perturbations of exact rotating Kerr black holes. In this talk I will give…

Celestial Holography 2022
Fri, Feb 4, 2022, 9:00 am9:00 am
PCTS Virtual Conference: Celestial Holography 2022

A virtual workshop on recent advancements in flat space holography bringing together researchers studying asymptotic symmetries, amplitudes, and CFT bootstrap methods.  For more information and to register please visit:  https://pcts.online

This…

Celestial Holography 2022
Thu, Feb 3, 2022, 9:00 am9:00 am
PCTS Virtual Conference: Celestial Holography 2022

A virtual workshop on recent advancements in flat space holography bringing together researchers studying asymptotic symmetries, amplitudes, and CFT bootstrap methods.  For more information and to register please visit:  https://pcts.online

This…

Celestial Holography 2022
Wed, Feb 2, 2022, 9:00 am9:00 am
PCTS Virtual Conference: Celestial Holography 2022

A virtual workshop on recent advancements in flat space holography bringing together researchers studying asymptotic symmetries, amplitudes, and CFT bootstrap methods.  For more information and to register please visit:  https://pcts.online

This…

Tackling Quantum Many-body Problems with (Artificial) Intelligence
Tue, Feb 1, 2022, 1:00 pm1:00 pm

Abstract: New quantum simulation platforms provide an unprecedented microscopic perspective on the structure of strongly correlated quantum matter. This allows to revisit decade-old problems from a fresh perspective, such as the two-dimensional Fermi-Hubbard model, believed to describe the physics underlying high-temperature superconductivity…

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Celestial Holography 2022
Tue, Feb 1, 2022, 9:00 am9:00 am
PCTS Virtual Conference: Celestial Holography 2022

A virtual workshop on recent advancements in flat space holography bringing together researchers studying asymptotic symmetries, amplitudes, and CFT bootstrap methods.  For more information and to register please visit:  https://pcts.online

This…

PGI Spring Seminar|Virtual Series| Athanasios Chatzikaleas |WWU Münster|"Non-linear Periodic Waves on the Einstein Cylinder"
Mon, Jan 31, 2022, 12:30 pm12:30 pm

 

 

Abstract:  Motivated by the study of small amplitudes non-linear waves in the Anti-de-Sitter spacetime and in particular the conjectured existence of periodic in time solutions to the Einstein equations, we construct families of arbitrary…

University Closed
Mon, Jan 17, 2022, 8:05 am8:05 am
University Closed
Fri, Dec 24, 2021, 8:04 am8:04 am
University closed
Thu, Dec 23, 2021, 8:03 am8:03 am
IAS HET SEMINAR | Javier Magan, University of Pennsylvania | "A New Look at Completeness and Generalized Symmetries" | Wolfensohn Hall (behind Bloomberg Hall) & Zoom
Mon, Dec 20, 2021, 2:30 pm2:30 pm

We describe a general principle of completeness in QFT. It asserts that the physical observable algebras produced by local degrees of freedom are the maximal ones compatible with causality. We elaborate on equivalent statements to this principle such as the non-existence of generalized symmetries and the uniqueness of the net of algebras. For…

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HET Seminar | Severin Lust, Harvard | "The Tadpole Problem" | PCTS 407 & via Zoom
Mon, Dec 13, 2021, 2:30 pm2:30 pm

I will discuss string theory compactifications where a large number of moduli is stabilized by fluxes. I will present a conjecture which rules out the stabilization of all complex-structure moduli in F-theory at a generic point in moduli space by fluxes that satisfy the tadpole cancellation condition. Evidence for this conjecture comes from…

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PQI seminar: "Correlated and Topological States in Twisted Graphene Multilayers"
Mon, Dec 13, 2021, 1:30 pm1:30 pm

Moiré materials, stacked 2D atomic layers with a small twist angle or a slight lattice mismatch, have become emerging platforms to study the physics of correlation, topology, and the interplay between the two. In this talk, I will discuss our exploration of correlated and topological states in the twisted graphene multilayers,…

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Faculty, Postdocs, graduate students
Biophysics Seminar: Chris Wiggins, Columbia University|TBD|Zoom
Mon, Dec 13, 2021, 1:15 pm1:15 pm
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A free lecture open to the public.
Biophysics Seminar: Chris Wiggins, Columbia University| Just do the best you can: statistical physics approaches to reinforcement learning
Mon, Dec 13, 2021, 1:15 pm1:15 pm

The most celebrated corners of machine learning over the past decades are those successful at predicting - e.g., spam classification, medical diagnoses, or cat faces. But machine learning as actually used in practice is commonly prescriptive rather than predictive: decisions must be made in order to maximize a reward. The…

Speaker
A free lecture open to the public.
PGI Fall Seminar Series|Alexander (Sasha) Philippov|Flatiron Institute| "Dynamics of Collisionless Plasmas and Flares at the Event Horizon"
Mon, Dec 13, 2021, 12:30 pm12:30 pm

Abstract: Supermassive black holes create powerful jets of radiation and plasma particles that move close to the speed of light. The answers to the questions “how exactly are jets powered by energy extraction from a black hole” and “what are the processes that energize plasma particles” are crucial to understanding the observed activity. Recent…

EDI initiative "All Hands" meeting
Tue, Dec 7, 2021, 2:00 pm2:00 pm

Tuesday, December 7, 2021, 2 pm - 3 pm

All working groups will present ~5-10 minutes of updates on their ongoing projects.  We're looking forward to seeing you all then!
(Check emails or the EDI Slack channel for an update on location and/or Zoom link.)

Speaker
Biophysics Seminar: Andrew Gordus, Johns Hopkins University| Untangling the web of behaviors used in spider orb-weaving
Mon, Dec 6, 2021, 12:30 pm12:30 pm

Many innate behaviors are the result of multiple sensorimotor programs that are dynamically coordinated to produce higher-order behaviors such as courtship or architecture. Extended phenotypes such as architecture are especially useful for ethological study because the structure itself is a physical record of behavioral intent. A particularly…

Speaker
A free lecture open to the public.
PGI Fall Seminar Series| Sam Gralla| University of Arizona|"Surprises in Gravitational Scattering"
Mon, Dec 6, 2021, 12:30 pm12:30 pm

What happens when two masses scatter?  This deceptively simple question has produced a series of surprises that touch on deep issues in general relativity, such as the localizability of gravitational field energy, the notion of asymptotic flatness at timelike infinity, and observability of particle position.  Most recently, we found that the…