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cond-mat.str-el2025
Preformed Cooper pairing and the uncondensed normal-state component in phase-fluctuating monolayer cuprate superconductivity
F. Yang, Y. Shi, L. Q. Chen
We develop a self-consistent microscopic framework beyond mean-field theory for monolayer cuprate superconductivity. It couples fermionic quasiparticles with collective phase dynam…
cond-mat.str-el2025
Correlation-Driven -Wave Superconducting Dome from Pseudogap Spectral Reconstruction
Yue Yuan, Ziwen Pan, F. Yang
Previous theoretical studies [Nat. Phys. {\bf 16}, 1175 (2020)] based on the Hatsugai-Kohmoto model have examined the stability of -wave superconductivity in strongly correlated…
cond-mat.str-el2025
Microscopic phase-transition theory of charge density waves: revealing hidden crossovers of phason and amplitudon
F. Yang, L. Q. Chen
We develop a self-consistent phase-transition theory of charge density waves (CDWs), starting from a purely microscopic model. Specifically, we derive a microscopic CDW gap equatio…