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UID:20250717T104931EDT-7675gUZKuZ@132.216.98.100
DTSTAMP:20250717T144931Z
DESCRIPTION:Title: Entropic Fluctuations in Quantum Two-time Measurement Fr
 amework\n\nAbstract: Non-equilibrium statistical mechanics has seen some i
 mpressive developments in the last three decades\, thanks to the pioneerin
 g works of Evans\, Cohen\, Morris and Searles on the violation of the seco
 nd law\, soon followed by the ground-breaking formulation of the Fluctuati
 on Theorem by Gallavotti and Cohen for entropy fluctuation in the early ni
 neties. Their work was by vast literature\, both theoretical and experimen
 tal.\n\nThe extension of these results to the quantum setting has turned o
 ut to be surprisingly challenging and it is still an undergoing effort. Ku
 rchan’s seminal work (2000) showed the measurement role has to be taken in
  account\, leading to the introduction of the so called two-time measureme
 nt statistics (also known as full counting statistics). However introducin
 g this framework leads to surprising phenomena with no classical counterpa
 rt. In this talk\, I will present some work in progress\, where we attempt
  to introduce a quantum equivalent of Gallavotti-Cohen (steady) entropic f
 unctional and compare it with the Evans-Searls (transient) entropic functi
 onal. We show that\, due to the invasive measurement role\, the situation 
 differs considerably to its classical counterpart. We are able to obtain g
 eneral results using functional and spectral analysis and operator algebra
 s tools. Under more restrictive hypothesis\, we can extend our analysis to
  the experimentally accessible indirect measurement framework (through an 
 ancilla)\, using resonance analysis.\n\nJoint work with T. Benoist\, L. Br
 uneau\, V. Jakšic\, C.A.Pillet.\n\nZoom link: https://umontreal.zoom.us/j/
 83118539851?pwd=bk5IOXBLNDRNSnR4dEcrSUFJVWhPZz09\n\nMeeting ID: 831 1853 9
 851\n\nPasscode: 215516\n\n \n
DTSTART:20230428T180000Z
DTEND:20230428T190000Z
LOCATION:Room 1104\, Burnside Hall\, CA\, QC\, Montreal\, H3A 0B9\, 805 rue
  Sherbrooke Ouest
SUMMARY:: Annalisa Panati (Centre de Physique Théorique\, Luminy\, and Univ
 ersity of Toulon)
URL:/mathstat/channels/event/annalisa-panati-centre-de
 -physique-theorique-luminy-and-university-toulon-348063
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