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Quantum read-out for cold atomic quantum simulators

Physics

Quantum read-out for cold atomic quantum simulators

M. Gluza, T. Schweigler, et al.

This groundbreaking research conducted by M. Gluza, T. Schweigler, B. Rauer, C. Krumnow, J. Schmiedmayer, and J. Eisert unveils a novel method for probing quantum simulators. Harnessing coherent non-interacting dynamics, the study reveals new insights into second moments of density fluctuations in one-dimensional superfluids, paving the way for exciting explorations in equilibration and thermalization dynamics.

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Playback language: English
Abstract
This paper introduces a novel experimental read-out method for quantum simulators, leveraging coherent non-interacting dynamics to indirectly measure second moments of relative density fluctuations between two one-dimensional superfluids. The method uses a tomographic recovery technique, reconstructing relative density fluctuations from non-equilibrium data of relative phase fluctuations. It's applied to investigate equilibrium states, phonon occupation number dynamics, and recurrence prediction, opening new avenues for analyzing equilibration and thermalization dynamics in 1D superfluids.
Publisher
Communications Physics
Published On
Jan 17, 2020
Authors
M. Gluza, T. Schweigler, B. Rauer, C. Krumnow, J. Schmiedmayer, J. Eisert
Tags
quantum simulators
density fluctuations
one-dimensional superfluids
non-equilibrium data
equilibration dynamics
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