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TZID:Europe/Paris
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BEGIN:VEVENT
UID:0-1076@lptms.universite-paris-saclay.fr
DTSTART;TZID=Europe/Paris:20251119T140000
DTEND;TZID=Europe/Paris:20251119T153000
DTSTAMP:20251113T083209Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/informal-quantum-
 seminar/
SUMMARY:Informal Quantum Seminar: Pedro Ribeiro (Universidade de Lisboa) - 
 Salle des séminaires du FAST et du LPTMS\, bâtiment Pascal n°530 - 19 N
 ov 25 14:00
DESCRIPTION:Dissipative Quantum Chaos — from Theory to the Lab\nPedro Rib
 eiro (Universidade de Lisboa)\n&nbsp\;\n\nDissipative quantum chaos is an 
 emerging field that investigates how chaotic behavior arises in quantum sy
 stems coupled to their environments. Understanding the dynamics of such op
 en quantum systems is crucial\, particularly for describing quantum matter
  in realistic scenarios where environmental interactions cannot be neglect
 ed. In this talk\, I will outline recent theoretical advances in character
 izing universal features of dissipative quantum systems using non-Hermitia
 n random matrix theory. Key spectral signatures of dissipative chaos\, suc
 h as complex spacing ratios (CSRs)\, universal ring-to-disk transitions\, 
 and a systematic symmetry-based classification of many-body superoperators
  under antiunitary involutions\, will be discussed. Turning from theory to
  practice\, I will present our recent experimental achievements demonstrat
 ing dissipative quantum chaos and integrability transitions. These results
  were obtained by measuring CSRs in the superoperator spectra of open many
 -body quantum systems implemented on a state-of-the-art superconducting qu
 antum processor\, providing the first direct laboratory observation of the
 se theoretical predictions.
CATEGORIES:seminars
LOCATION:Salle des séminaires du FAST et du LPTMS\, bâtiment Pascal n°53
 0\, rue André Riviere\, Orsay\, 91405\, France
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=rue André Riviere\, Orsay\
 , 91405\, France;X-APPLE-RADIUS=100;X-TITLE=Salle des séminaires du FAST 
 et du LPTMS\, bâtiment Pascal n°530:geo:0,0
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TZID:Europe/Paris
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DTSTART:20251026T020000
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