Solution of a Minimal Model for Many-Body Quantum Chaos

@inproceedings{Chan2018SolutionOA,
  title={Solution of a Minimal Model for Many-Body Quantum Chaos},
  author={Amos Chan and Andrea De Luca and J. T. Chalker},
  year={2018}
}
We solve a minimal model for an ergodic phase in a spatially extended quantum many-body system. The model consists of a chain of sites with nearest-neighbor coupling under Floquet time evolution. Quantum states at each site span a q-dimensional Hilbert space, and time evolution for a pair of sites is generated by a q2 × q2 random unitary matrix. The Floquet operator is specified by a quantum circuit of depth two, in which each site is coupled to its neighbor on one side during the first half of… CONTINUE READING

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