English

Dissipative failure of adiabatic quantum transport as a dynamical phase transition

Quantum Physics 2021-06-02 v1 Mesoscale and Nanoscale Physics

Abstract

Entanglement is the central resource in adiabatic quantum transport. Dephasing affects the availability of that resource by biasing trajectories, driving transitions between success and failure. This depletion of entanglement is important for the practical implementation of quantum technologies. We present a new perspective on the failure of adiabatic computation by understanding the failure of adiabatic transport as a dynamical phase transition. These ideas are demonstrated in a toy model of adiabatic quantum transport in a two spin system.

Keywords

Cite

@article{arxiv.2012.15212,
  title  = {Dissipative failure of adiabatic quantum transport as a dynamical phase transition},
  author = {Fergus Barratt and Aleix Bou Comas and Philip J. D. Crowley and Vadim Oganesyan and Peter Sollich and Andrew G. Green},
  journal= {arXiv preprint arXiv:2012.15212},
  year   = {2021}
}