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[Fizinfo] BME Elm. Fiz. Szeminárium, szept 17, Grabarits András

From: Janos Asboth <asboth.janos AT ttk.bme.hu>
To: elmfiz.oktatok-kutatok AT lists.bme.hu, elmfiz.hallgatok AT lists.bme.hu, fizinfo AT lists.kfki.hu
Subject: [Fizinfo] BME Elm. Fiz. Szeminárium, szept 17, Grabarits András
Date: Fri, 17 Sep 2021 08:05:42 +0200
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Emlékeztető:

Ma 10h15
BME Elméleti Fizika Szeminárium,

ONLINE
<https://teams.microsoft.com/l/meetup-join/19%3a21ec60c6162141b288b58744ae2db5b3%40thread.tacv2/1631699653010?context=%7b%22Tid%22%3a%226a3548ab-7570-4271-91a8-58da00697029%22%2c%22Oid%22%3a%22c7eaf7d2-684b-4597-b217-6a9121400219%22%7d>
a Microsoft Teamsben, a tanszéki felújítás miatt

Grabarits András (BME Elm. Fiz. tanszék PhD hallgató):

Classical Theory of Universal Quantum Work Distribution in Chaotic Fermi
Liquids

We present[1] a universal theory of quantum work statistics in generic
chaotic, disordered Fermi liquid systems within a driven random matrix
formalism. By extending P. W. Anderson’s orthogonality determinant formula
to compute quantum work distribution, we find that work statistics is
non-Gaussian and is characterized by a few dimensionless parameters. At
longer times, quantum interference effects become irrelevant and the
quantum work distribution is well-described in terms of a purely classical
ladder model with a symmetric exclusion process in energy space, while
bosonization and mean field methods provide accurate analytical expressions
for the work statistics. Our random matrix and mean field predictions are
validated by numerical simulations for a two-dimensional disordered quantum
dot, and can be verified by calorimetric measurements on nanoscale circuits.

[1]: A Grabarits, M Kormos, I Lovas, G Zaránd: arXiv:2107.10245

Minden érdeklődőt szeretettel várunk.

Asbóth János
szemináriumi koordinátor

[Fizinfo] BME Elm. Fiz. Szeminárium, szept 17, Grabarits András, Janos Asboth, 09/15/2021
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