3 papers
cond-mat.supr-con2025
BCS-like formula for does not necessarily imply BCS pairing mechanism: the case of magnetically-mediated quantum-critical pairing
Yuxuan Wang, Andrey V. Chubukov
In the BCS theory of superconductivity, an instability towards pairing develops at arbitrary weak dimensionless coupling due to a divergence of logarithmic perturbative series…
cond-mat.supr-con2025
Intra-unit-cell singlet pairing mediated by altermagnetic fluctuations
Yi-Ming Wu, Yuxuan Wang, Rafael M. Fernandes
We investigate the superconducting instabilities induced by altermagnetic fluctuations. Because of the non-trivial sublattice structure of the altermagnetic order, shorter-range an…
cond-mat.str-el2025
Time-reversal symmetry breaking, collective modes, and Raman spectrum in pair-density-wave states
Yi-Ming Wu, Andrey V. Chubukov, Yuxuan Wang +1
Inspired by empirical evidence of the existence of pair-density-wave (PDW) order in certain underdoped cuprates, we investigate the collective modes in systems with unidirectional…