Operator growth in disordered spin chains: Indications for the absence of many-body localization
We consider the spreading of a local operator A in one-dimensional many-body systems with Hamiltonian H by calculating the k-fold commutator [H,[H,[...,[H,A]]]]. We derive bounds for the operator norm of this commutator in free and interacting systems with and without disorder thus directly connecti...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
American Physical Society
2025-07-01
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| Series: | Physical Review Research |
| Online Access: | http://doi.org/10.1103/wgss-nt8t |
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