Physics Calendar

Abstract: Belinski, Khalatnikov and Lifschitz, or BKL for short, proposed heuristics saying that a generic (spacelike) singularity from the Einstein equations is silent (meaning different spatial points decouple near the singularity), oscillatory /...

As a postdoc at Rutgers University, I attended a physics colloquium presented by Sergei Kapitza in the fall of 1992.  His talk argued that human population growth is hyperbolic with a singularity in the year 2026.  Actually, this claim was first...

Note: Room Location for this meeting is Rubenstein Commons Room 1.

This semester, we will be beginning a *very informal* get-together every Monday of people interested in/working on phenomenology and new theories beyond the standard model.  The idea...

Abstract: I will review efforts to infer the amount and spatial distribution of dark matter within the Milky Way's dwarf spheroidal satellites.  I will show first results from a large (Magellan/M2FS) spectroscopic survey targeting ten thousand stars...

Abstract: The S-matrix bootstrap uses analyticity, unitarity, and crossing symmetry to place nonperturbative bounds on 4-point scattering amplitudes. In my talk, I describe the application of the bootstrap to the scattering of O(4) symmetric scalars...

Abstract: Perturbation theory is used extensively for solving problems in quantum mechanics and quantum field theory. In most cases, the perturbative series in powers of the coupling is an asymptotic series (it ultimately diverges). This is not an...