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SUMMARY:Spectral Gaps\, Incompressibility and Fragmented Matrix-Product St
 ates in Fractional Quantum Hall Systems
DTSTART:20210305T141500
DTSTAMP:20260509T054220Z
UID:387e09da03ec1f5d6d8dec0d89b7092c9b3918a5f5a469ddbf1619c1
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Simone Warzel\, Technical University of Munich\nTitel: S
 pectral Gaps\, Incompressibility and Fragmented Matrix-Product States in F
 ractional Quantum Hall Systems\n\nAbstract: \nThe physics of fractional q
 uantum Hall systems is characterised by the incompressibility of the fluid
  as well as the emergence of fractional charges at low temperatures.\nThes
 e robust properties are faithfully described in terms of Haldane’s pseud
 o-potentials. \nI will start the talk by reviewing the mathematical set-u
 p\, basic properties and challenges related to these models.\nA complete d
 escription of the ground state\, excitations and a proof of the spectral g
 ap\, which is vital for a theoretical explanation of the spectral gap\, is
  available in the thin-cylinder regime. \nIn the second part of this talk
  I will sketch these results which rely on properties of the newly introdu
 ced class of fragmented matrix product states. \n\n 
LOCATION:https://epfl.zoom.us/j/85940767461?pwd=bm05SGF0dVR0ZEltSisxc0Q1TX
 VuZz09
STATUS:CONFIRMED
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