Showing quant-phShow all
2 papers · 1 filter
quant-ph2026
Quantum Criticality from Spectral Collapse in the Two-Photon Rabi Model
Jiong Li, Jun-Ling Wang, Jun-ling Wang +2
Spectral collapse in the two-photon quantum Rabi model (tpQRM) has long been regarded as insufficient to establish quantum criticality because, under generic conditions, the lowest…
quant-ph2024
Multipartite entanglement serves as a faithful detector for quantum phase transitions
Y. C. Li, Y. H. Zhou, Y. Zhang +2
We investigate quantum phase transitions in various spin chain systems using the multipartite entanglement measure based on the monogamy inequality of squared entanglemen…