# Low-frequency behavior of off-diagonal matrix elements in the integrable XXZ chain and in a locally perturbed quantum-chaotic XXZ chain

> Research article (Physical review. B./Physical review. B, 2020) · cited 73× · AI/ML

**Wikidata**: [openalex:W3056939316](https://www.wikidata.org/wiki/openalex:W3056939316)  
**Source**: https://4ort.xyz/entity/low-frequency-behavior-of-off-diagonal-matrix-elements-in-the-integrable-xxz-chain-and-in-a-locally-perturbed-quantum-ch