Temporal fluctuations of correlators in integrable and chaotic quantum systems
We provide bounds on temporal fluctuations around the infinite-time average of out-of-time-ordered and time-ordered correlators of many-body quantum systems without energy gap degeneracies. For physical initial states, our bounds predict the exponential decay of the temporal fluctuations as a functi...
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| Μορφή: | Άρθρο |
| Γλώσσα: | English |
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SciPost
2023-12-01
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| Σειρά: | SciPost Physics |
| Διαθέσιμο Online: | https://scipost.org/SciPostPhys.15.6.244 |