Past Events

Date
Tuesday, November 28, 2023. 3:30pm

The characteristic excitation of a metal is its plasmon, which is a quantized sound wave in its valence electron density.

Date
Monday, November 27, 2023. 2:00pm - 3:00pm
Speaker:
Natalia Toro

Kinematically, massless particles in Lorentz-invariant theories are classified by a dimensionful "spin scale"ρ (2nd Casimir invariant) that characterizes helicity states' mixing under little group…

Date
Monday, November 20, 2023. 2:00pm - 3:30pm
Speaker:
Eugenia Colafranceschi

It has recently been shown that any Euclidean gravitational path integral satisfying a simple set of axioms defines type I von Neumann algebras of bulk observables acting on compact closed…

Date
Friday, November 17, 2023. 3:00pm - 4:30pm
Speaker:
Zach Bogorad

There are a variety of experimental and astrophysical constraints on non-gravitational interactions of dark matter, both with itself and with the Standard Model.

Date
Friday, November 17, 2023. 1:30pm
Speaker:
Renato Renner

Does commutation imply factorisation? More precisely, consider two parties, Alice and Bob, each of whom applies an operation on a shared quantum system, K.