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Quantum Simulation
Comment on "Systematic Construction of Counterexamples to the Eigenstate Thermalization Hypothesis"
arXiv
Authors: Rubem Mondaini, Krishnanand Mallayya, Lea F. Santos, Marcos Rigol
Year
2017
Paper ID
25043
Status
Preprint
Abstract Read
~2 min
Abstract Words
77
Citations
N/A
Abstract
In a recent Letter [PhysRevLett.119.030601 (2017), arXiv:1702.08227], Shiraishi and Mori claim to provide a general method for constructing local Hamiltonians that do not exhibit eigenstate thermalization. We argue that the claim is based on a misunderstanding of the eigenstate thermalization hypothesis (ETH). More specifically, on the assumption that ETH is valid for the entire Hamiltonian matrix instead of each symmetry sector independently. We discuss what happens if one mixes symmetry sectors in the two-dimensional transverse field Ising model.
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- This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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- In a recent Letter [PhysRevLett.119.030601 (2017), arXiv:1702.08227], Shiraishi and Mori claim to provide a general method for constructing local Hamiltonians that do not...
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