Author

Shao-Fan He

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Preprint Sep 2026

Quantum phase transitions of the Cavity Heisenberg spin-chain

The interplay between quantum criticality and ergodicity breaking constitutes a central challenge in complex quantum many-body systems. Here, we investigate ground-state quantum phase transitions (QPTs) and excited-state quantum phase transitions (ESQPTs), as well as ergodic-nonergodic transition in the cavity Heisenbe...

Lv-Ting Gong, Shao-Fan He, Fu-Quan Dou · 0 citations