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[Fizinfo] Atomki-szeminárium


Chronological Thread 
  • From: Zoltan Mate <mate AT namafia.atomki.hu>
  • To: Fizinfo AT lists.kfki.hu
  • Subject: [Fizinfo] Atomki-szeminárium
  • Date: Fri, 20 Nov 2009 11:02:28 +0100 (CET)
  • List-archive: <http://mailman.kfki.hu/pipermail/fizinfo>
  • List-id: ELFT HÍRADÓ <fizinfo.lists.kfki.hu>


Az MTA Atommagkutató Intézetének nagy előadójában
(Debrecen, Bem tér 18/c. 12. ép. III. em.)
2009. november 26-án, csütörtökön 11:00-kor

Peter JARVIS
(School of Mathematics and Physics,
University of Tasmania)

Quantum dissipative systems
via bosonisation of fermion gas-impurity models

címmel előadást tart.
Az előadás előtt 10:30-tól tea.
Vendégeket szívesen látunk.

Máté Zoltán

Abstract:
Solvable models of one dimensional fermion gases interacting with magnetic
impurities can be interpreted as quantum dissipative systems via
bosonisation techniques. The most famous instance is the transcription
between the spin-1/2 anisotropic Kondo model, and the so-called spin-boson
model (a spin-1/2 system with ohmic coupling to an oscillator bath). We
review this construction, and generalise it to several new cases. These
include an elliptic version of the Kondo model, and a three-component
fermion gas model. The corresponding quantum dissipative systems will be
described, and prospects for the analysis of their properties using the
exact fermion gas solution will be discussed.


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