Hannover 2020 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 30: Ultra-cold atoms, ions, and BEC VII (joint session A/Q)

A 30.6: Vortrag

Freitag, 13. März 2020, 12:30–12:45, f303

Continuous measurement of a quantum driven top — •Jessica Eastman1, Stuart Szigeti2, Joseph Hope2, and André Carvalho31Imperial College London, London, UK — 2Australian National University, Canberra, Australia — 3Q-CTRL, Australia

The need to understand many-body quantum chaos is motivated by a growing area of research with connections to topics such as random unitaries, holographic duality and information scrambling in black holes, nonequilibrium thermodynamics and quantum sensing. We theoretically investigate the effect that continuous weak measurement can have on the emergence of chaos in many-body quantum systems by looking at a system that can be easily realisable in ultra cold atom experiments: the Quantum driven top. The corresponding classical system in this case is a closed system with no dissipation. By adding weak coupling to a measurement device, we introduce decoherence to the system.

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