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math-ph2026
Many-body localization for the random XXZ spin chain in fixed energy intervals
Alexander Elgart, Abel Klein
It is shown that the infinite random Heisenberg XXZ spin- chain exhibits slow propagation of information (logarithmic light cone), a key signature of many-body localizatio…
math-ph2023
Slow propagation of information on the random XXZ quantum spin chain
Alexander Elgart, Abel Klein
The random XXZ quantum spin chain manifests localization (in the form of quasi-locality) in any fixed energy interval, as previously proved by the authors. In this article it is sh…