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Open Quantum Systems Decoherence

Mitigating higher-band heating in Floquet-Hubbard lattices via two-tone driving

arXiv
Authors: Yuanning Chen, Zijie Zhu, Konrad Viebahn

Year

2024

Paper ID

38052

Status

Preprint

Abstract Read

~2 min

Abstract Words

96

Citations

N/A

Abstract

Multi-photon resonances to high-lying energy levels represent an unavoidable source of Floquet heating in strongly driven quantum systems. In this work, we extend the recently developed two-tone approach of 'cancelling' multi-photon resonances to shaken lattices in the Hubbard regime. Our experiments show that even for strong lattice shaking the inclusion of a weak second drive leads to cancellation of multi-photon heating resonances. Surprisingly, the optimal cancelling amplitude depends on the Hubbard interaction strength U, in qualitative agreement with exact diagonalisation calculations. Our results call for novel analytical approaches to capture the physics of strongly-driven-strongly-interacting many-body systems.

Why This Paper Matters

  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
  • It adds a 2024 reference point for readers tracking recent quantum research.
  • Multi-photon resonances to high-lying energy levels represent an unavoidable source of Floquet heating in strongly driven quantum systems.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2410.12308 [2] arXiv https://arxiv.org/abs/2410.12308 [3] Publisher https://arxiv.org/abs/2410.12308

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