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Josephson oscillations in split one-dimensional Bose gases

by Yuri D. van Nieuwkerk, Jörg Schmiedmayer and Fabian H.L. Essler

Submission summary

As Contributors: Yuri Daniel van Nieuwkerk
Preprint link: scipost_202011_00012v1
Date submitted: 2020-11-19 10:03
Submitted by: van Nieuwkerk, Yuri Daniel
Submitted to: SciPost Physics
Academic field: Physics
  • Condensed Matter Physics - Theory
  • Quantum Physics
Approach: Theoretical


We consider the non-equilibrium dynamics of a weakly interacting Bose gas tightly confined to a highly elongated double well potential. We use a self-consistent time-dependent Hartree–Fock approximation in combination with a projection of the full three-dimensional theory to several coupled one-dimensional channels. This allows us to model the time-dependent splitting and phase imprinting of a gas initially confined to a single quasi one-dimensional potential well and obtain a microscopic description of the ensuing damped Josephson oscillations.

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Submission scipost_202011_00012v1 on 19 November 2020

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