Past Events

Daniel Stein - NYU Wednesday, February 11, 2026 Zoom opens: 10:30AM EST Seminar begins: 10:45AM EST CLICK HERE TO VIEW RECORDING Ground State Excitations and the Nature of the Spin Glass Phase The thermodynamics of spin glasses, and more generally

David Vanderbilt - Rutgers University Date/Time/Location Thursday, February 5, 2026, 12:10 pm; Hill Center 705 Theory of adiabatic phonon-magnon coupling in magnetic materials Conventional approaches for computing lattice dynamics do not fully account for the effects of time-reversal symmetry breaking

David Pine - NYU Wednesday, February 4, 2026 Zoom opens: 10:30AM EST Seminar begins: 10:45AM EST CLICK HERE TO VIEW RECORDING Self-assembly of colloidal diamond and related structures A long-standing challenge in 3D photonics has been the self-assembly of colloidal

Jeffry Kahn – Rutgers University Date/Time/Location Thursday, January 29th, 2026, 12:10 pm; Hill Center 705 Thresholds for graph containment Thresholds have been central to the study of random graphs and related structures since its initiation by Erdos and Renyi in

Vojkan Jaksic - Politecnico di Milano Wednesday, January 28, 2026 Zoom opens: 10:30AM EST Seminar begins: 10:45AM EST CLICK HERE TO VIEW RECORDING Remarks on Approach to Equilibrium in Quantum Spin Systems The Zeroth (or “minus First”) law of thermodynamics

Valerio Lucarini – University of Leicester Wednesday, January 21, 2026 Zoom opens: 10:30AM EST Seminar begins: 10:45AM EST CLICK HERE TO VIEW RECORDING Detecting and Attributing Change in Climate and Complex Systems: Foundations of Optimal Fingerprinting via Response Theory Detection

Subir Sachdev – Harvard Wednesday, January 14, 2026 Zoom opens: 10:30AM EST Seminar begins: 10:45AM EST CLICK HERE TO VIEW RECORDING Detecting a quantum spin liquid in the cuprate superconductors Following the prescient suggestion of P.~W.~Anderson in 1987, there were

Roderich Tumulka - Eberhard Karls University Tuebingen Wednesday, January 7, 2026 Seminar begins: 10:45AM EST CLICK HERE TO VIEW RECORDING What really lies behind the grand-canonical ensemble in quantum mechanics When textbooks introduce the grand-canonical ensemble rho=exp[-beta(H-mu_1 N_1-...-mu_r N_r)]/Z, they

Giorgio Parisi – University La Sapienza Wednesday, December 10th, 2025 Zoom opens: 10:30AM EST Seminar begins: 10:45AM EST CLICK HERE TO VIEW RECORDING On the lower Critical Dimension in spin glasses We consider systems in dimensions D in a tube

Christian Maes – KU Leuven Date/Time/Location Thursday, December 11th, 2025, 12:10 pm; Hill Center 705 Response-fluctuation relations for driven systems We discuss quasistatic response for nonequilibrium systems satisfying local detailed balance. We give the example of thermal response and an

Cedric Villani – École normale supérieure de Lyon Wednesday, December 10th, 2025 Zoom opens: 10:30AM EST Seminar begins: 10:45AM EST CLICK HERE TO VIEW RECORDING Fisher information and Boltzmann collisions Theorem: Collisions in Boltzmann's equation tend to decrease Fisher's information,

Roger Nussbaum – Professor Emeritus, Rutgers University Date/Time/Location Thursday, December 4th, 2025, 12:10 pm; Hill Center 705 The Hausdorff Dimension Spectrum of Continued Fractions and Their Generalizations If T is a nonempty set of of positive integers, denote by dim(T)

Massimo Vergassola – University of California, San Diego Wednesday, December 3rd, 2025 Zoom opens: 10:30AM EST Seminar begins: 10:45AM EST CLICK HERE TO VIEW RECORDING Defects, Parcellation, and Renormalized Negative Diffusivities in Nonhomogeneous Oscillatory Media Coupling among oscillators in spatially

Gerald Goldin – Rutgers University Date/Time/Location Thursday, November 20th, 2025, 12:10 pm; Hill Center 705 A Universal Kinematical Group for Quantum Mechanics and Some Consequent Anyonic Structures This talk first describes recent results with David Sharp (Los Alamos), where we

Tomaž Prosen – University of Ljubljana Wednesday, November 19th, 2025 Zoom opens: 10:30AM EST Seminar begins: 10:45AM EST CLICK HERE TO VIEW RECORDING (Deformed) Rule 54: Unusual Integrable Model I will discuss a fascinating example of exactly solvable reversible cellular

Avraham Soffer – Rutgers University Date/Time/Location Thursday, November 13th, 2025, 12:10 pm; Hill Center 705 Global Self-Similar solutions, Breakdown of Asymptotic Completeness-New Physics? For Schrödinger-type equations with time-dependent, spatially local interactions — including nonlinear cases — there exist solutions that

Steven Kivelson – Stanford University Wednesday, November 12th, 2025 Zoom opens: 10:30AM EST Seminar begins: 10:45AM EST CLICK HERE TO VIEW RECORDING Recent Progress on the Theory of the 2DES at larger rs Theoretical and experimental studies of two-dimensional electron

Shadi Tahvildar-Zadeh – Rutgers University Date/Time/Location Thursday, November 6th, 2025, 12:10 pm; Hill Center 705 Quantum Ping-Pong I will survey the results of several joint works with M. Kiessling, L. Frolov, and others, on the quantum-mechanical treatment of Compton scattering

Stefano Ruffo - ISC-CNR Sesto Fiorentino and SISSA, Trieste Wednesday, November 5th, 2025 Zoom opens: 10:30AM EST Seminar begins: 10:45AM EST CLICK HERE TO VIEW RECORDING Burgers equation and the Fermi-Pasta-Ulam-Tsingou lattice The study of thermalisation in isolated systems was