Boltzmann Lecture by Subir Sachdev | 21 Feb 3pm

[Infopoint]

Dear all,

SISSA is pleased to announce that the 2022 edition of its traditional 
Boltzmann lecture will take place online on 21 February at 3pm. 
Professor Subir Sachdev from Harvard University will hold a lecture 
entitled “Statistical mechanics of metals without quasiparticles, and of 
charged black holes”.

Register here to join the webinar:

https://sissa-it.zoom.us/webinar/register/WN_5WfX5pG3QUaoBP1uUw6P9Q 
<https://sissa-it.zoom.us/webinar/register/WN_5WfX5pG3QUaoBP1uUw6P9Q%20>

Abstract

The very successful theory of metals is based upon a Boltzmann equation 
for electronic quasiparticles. But the “strange metals” found in high 
temperature superconductors do not have well-defined quasiparticle 
excitations, which raises the problem of a theory of electrical 
transport in such metals. In their quantum theory of charged black 
holes, Gibbons and Hawking applied the Boltzmann-Gibbs ensemble to the 
Einstein-Maxwell theory and obtained results for black hole entropy 
which did not have an evident interpretation in terms of the eigenstates 
of a quantum Hamiltonian. I will describe progress in resolving these 
long-standing problems in very different fields of physics using 
insights from the solvable Sachdev-Ye-Kitaev model of fermions with 
random interactions.

Short bio

Subir Sachdev was educated at the Indian Institute of Technology, Delhi, 
the Massachusetts Institute of Technology, and Harvard University. He 
has held professional positions at Bell Labs, Yale University, and 
Harvard where he is now the Herchel Smith Professor of Physics. During 
2021-22 he is also the Maureen and John Hendricks Distinguished Visiting 
Professor at The Institute for Advanced Study, Princeton.
He has been elected to national academies of science in India and the 
U.S. and is a recipient of a number of awards and honors which include 
the Dirac Medal from ICTP – the “Abdus Salam” International Center for 
Theoretical Physics, and the Lars Onsager Prize from the American 
Physical Society.


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