A second-order perturbation theory, in both bosonized and spin-boson forms, gives the early-time current on a driven quantum dot-fractional quantum Hall edge system and predicts a phase shift for sinusoidal bias.
Quantum Phase Transitions in Spin-Boson Systems: Dissipation and Light Phenomena
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abstract
Spin-boson models are essentially useful in the understanding of quantum optics, nuclear physics, quantum dissipation, and quantum computation. We discuss quantum phase transitions in various spin-boson Hamiltonians, compare, and contrast them. We summarize the theoretical concepts and results, open questions and implementations of those ideas in cold atomic and QED cavity systems are also addressed.
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cond-mat.str-el 1years
2019 1verdicts
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Driven quantum dot coupled to a fractional quantum Hall edge
A second-order perturbation theory, in both bosonized and spin-boson forms, gives the early-time current on a driven quantum dot-fractional quantum Hall edge system and predicts a phase shift for sinusoidal bias.