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SUMMARY:New Avenues for Quantum Simulations In- and Out-of-equilibrium - P
 rof Immanuel Bloch\, Max-Planck Institute of Quantum Optics\, LMU
DTSTART:20231026T150000Z
DTEND:20231026T160000Z
UID:TALK206947@talks.cam.ac.uk
CONTACT:Dr Nur Unal
DESCRIPTION:Quantum simulation using ultracold atoms and molecules has ope
 ned a new research field to probe quantum matter in- and out-of-equilibriu
 m using novel observational an engineering techniques at the single atom l
 evel. In fermionic quantum matter\, the systems are now cold enough to ent
 er the pseudogap regime and reveal intriguing higher order quantum correla
 tions in doped Hubbard systems. We also explore a new high-temperature pai
 ring mechanism in mixed two-dimensional systems that dramatically boosts t
 he pairing energy of holes. In quantum dynamics\, probing the full countin
 g statistics of charge transfer allows to explore quantum transport in fun
 damentally new ways. We test this for the cases of integrable and chaotic 
 quantum dynamics\, where for the latter case local subsystems eventually a
 pproach a thermal equilibrium state. Large subsystems\, however\, thermali
 ze slower: their approach to equilibrium is limited by the hydrodynamic bu
 ild-up of large-scale fluctuations. We show that large-scale fluctuations 
 of isolated quantum systems display emergent hydrodynamic behaviour\, expa
 nding the applicability of macroscopic fluctuation theory to the quantum r
 egime.
LOCATION:Small Lecture Theatre\, Cavendish Laboratory\, J.J. Thomson Avenu
 e
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