There are a few well-known ways for quantum mechanical,
many-body systems to avoid coming to thermal equilibrium. For
example, we know of two classes of systems -- integrable systems,
and many-body localized systems -- for which conservation
laws...
Why do many stars host close-in chains of super-Earths? Why are
eccentric gas giants found in some inner planetary systems? What
determines which of these outcomes will occur around a particular
star? I will present a possible framework for...
I will discuss properties of phases of matter in systems with a
global U(1) symmetry and a (possibly discrete) translation
symmetry. The low energy theory of such systems is strongly
constrained by these symmetries. I will give a framework to...
Neutron star merger GW 170817 was accompanied by a gamma-ray burst
with luminosity L∼1047 erg/s, coming with a ~2 s delay after the
gravitational waves. Observations also indicate the presence of a
dark, ultra-relativistic envelope ejected promptly...
Spektr-RG spacecraft with Russian (ART-XC) and German (eRosita)
X-Ray telescopes was launched on July 13th of 2019 from Baykonur.
During the flight to the L2 point of the Sun-Earth system, SRG
performed calibrations and detailed long duration...
I will motivate and discuss the notion of dispersive sum rules in
conformal field theory. They are sum rules satisfied by the OPE
data of a four-point function as a consequence of conformal
dispersion relations. Physically, they are a detailed...
We have undertaken a novel census of red sources identified by
their rest-frame far infrared colors using Planck and Herschel
telescopes, and not by the Sunyaev-Z'eldovich effect (SZE). The
vast majority of sources are high-redshift galaxy...
I will discuss insights from analytic and numerical models of
galactic chemical evolution and observations of Milky Way elemental
abundances from the SDSS APOGEE survey. Under generic model
assumptions, abundances and abundance ratios approach an...
Abstract: I will demonstrate that holographic error correcting
codes naturally give rise to conditional expectations acting on the
local operator algebras in the boundary theory. I will use this to
give simple derivations of some previously known...
I will discuss recent work that lays out two methods to obtain
direct measurements of the Galactic acceleration. First, I will
review our recent work in using high precision spectrographs to
measure the Galactic acceleration. These measurements can...
