Journal article
Isolated Heisenberg magnet as a quantum time crystal
- Abstract:
- We demonstrate analytically and numerically that the paradigmatic model of quantum magnetism, the Heisenberg XXZ spin chain, does not equilibrate. It constitutes an example of persistent nonstationarity in a quantum many-body system that does not rely on external driving or coupling to an environment. We trace this phenomenon to the existence of extensive dynamical symmetries. We discuss how the ensuing persistent oscillations that seemingly violate one of the most fundamental laws of physics could be observed experimentally.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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- Files:
-
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(Preview, Accepted manuscript, 468.7KB, Terms of use)
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- Publisher copy:
- 10.1103/physrevb.102.041117
Authors
- Publisher:
- American Physical Society
- Journal:
- Physical Review B More from this journal
- Volume:
- 102
- Issue:
- 4
- Article number:
- 041117(R)
- Publication date:
- 2020-07-20
- Acceptance date:
- 2020-06-29
- DOI:
- EISSN:
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2469-9969
- ISSN:
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2469-9950
- Language:
-
English
- Keywords:
- Pubs id:
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1003384
- Local pid:
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pubs:1003384
- Deposit date:
-
2020-07-25
Terms of use
- Copyright holder:
- American Physical Society
- Copyright date:
- 2020
- Rights statement:
- © 2020 American Physical Society.
- Notes:
- This is the accepted manuscript version of the article. The final version is available online from the American Physical Society at: https://doi.org/10.1103/PhysRevB.102.041117
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