Signatures of discrete time-crystallinity in transport through quantum dot arrays

Subhajit Sarkar, Yonatan Dubi

Research output: Working paper/PreprintPreprint

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Discrete time-crystals are periodically driven quantum many-body systems with broken discrete-time translational symmetry. Measurements of time-crystallinity are currently limited to optical experiments due to the conception that the presence of an environment destroys the time-crystal behavior. We demonstrate that a periodically driven quantum dot array attached to electrodes exhibits both stable and meta-stable discrete time-crystal and quasi-crystal behaviors. These behaviors are manifested in spin-current measurable in transport set-up. The present-day availability of quantum dot arrays with electrically controllable sites makes our findings experimentally verifiable.
Original languageEnglish
StatePublished - 9 Jul 2021


  • cond-mat.mes-hall
  • cond-mat.str-el
  • quant-ph


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