What does this research mean for the field?

Following a quantum quench in a spin chain, non-integrable models saturate the random matrix theory values for entanglement and stabilizer entropy in the long-time limit, whereas free-fermion theories exhibit a persistent gap. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

July 22, 2025Physical review. B./Physical review. B18 citationsOpen Access

Stabilizer entropy in nonintegrable quantum evolutions

JOJovan Odavić MVMichele Viscardi AHAlioscia Hamma

Key Points

Key points are not available for this paper at this time.

Abstract

Entanglement and stabilizer entropy are both involved in the onset of complex behavior in quantum many-body systems. Their interplay is at the root of complexity of simulability, scrambling, thermalization and typicality. In this work, we study the dynamics of entanglement, stabilizer entropy, and the anti-flatness of the entanglement spectrum after a quantum quench in a spin chain. We find that free-fermion theories show a gap in the long-time behavior of these resources compared to their random matrix theory value while non-integrable models saturate it.

AI से पूछें

Bookmark

View Full Paper