Detailed Balance of Thermalization Dynamics in Rydberg-Atom Quantum Simulators

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Dynamics of large complex systems, such as relaxation towards equilibrium in classical statistical mechanics, often obeys a master equation that captures essential information from the complexities. Here, we find that thermalization of an isolated many-body quantum state can be described by a master equation. We observe sudden quench dynamics of quantum Ising-likc models implemented in our quantum simulator, defect-free single-atom tweezers in conjunction with Rydberg-atom interaction. Saturation of their local observables, a thermalization signature, obeys a master equation experimentally constructed by monitoring the occupation probabilities of prequench states and imposing the principle of the detailed balance. Our experiment agrees with theories and demonstrates the detailed balance in a thermalization dynamics that does not require coupling to baths or postulated randomness.
Publisher
AMER PHYSICAL SOC
Issue Date
2018-05
Language
English
Article Type
Article
Citation

PHYSICAL REVIEW LETTERS, v.120, no.18, pp.180502

ISSN
0031-9007
DOI
10.1103/PhysRevLett.120.180502
URI
http://hdl.handle.net/10203/242552
Appears in Collection
PH-Journal Papers(저널논문)
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