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SUMMARY:Inhomogeneous quenches and arctic curves in fermionic systems - Ja
 copo Viti (Max-Planck-Institut für Physik komplexer Systeme\, Dresden)
DTSTART:20160113T163000Z
DTEND:20160113T173000Z
UID:TALK64630@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:<span> <span>Co-authors: Nicola Allegra (Universite de  Lorrai
 ne)\, Jerome Dubail (Universite de Lorraine and CNRS)\, Masud  Haque (MPIP
 KS)\, Jean-Marie Stephan (MPIPKS) <br></span></span><span><br>In this talk
  I will consider two fermionic chains at different densities  joined toget
 her and evolved unitarily. I will present many exact results  concerning t
 he large-time limit of correlation functions and the Loschmidt echo.  I wi
 ll show that this type of quench is deeply related\, via analytic  continu
 ation in imaginary time\, to the arctic curve phenomena in statistical  me
 chanics: interfaces separating fluctuating and frozen regions\, a celebrat
 ed  example of which is the arctic circle theorem for dimers on the aztec 
  diamond. <br><br>Related Links <ul> <li><a target="_blank" rel="nofollow"
 >http://arxiv.org/abs/1507.08132</a>  - paper 1  </li><li><a target="_blan
 k" rel="nofollow">http://arxiv.org/abs/1512.02872</a>  - paper 2</li></ul>
 </span>
LOCATION:Seminar Room 1\, Newton Institute
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