5 papers
Quantum Charge-4e Superconductivity and Deconfined Pseudocriticality in the Attractive SU(4) Hubbard Model
Zhou-Quan Wan, Huan Jiang, Xuan Zou +2
Unlike conventional charge-2e superconductors, a charge-4e superconductor exhibits long-range coherence of electron quartets rather than Cooper pairs. Clear zero-temperature realiz…
Superconducting States and Intertwined Orders in Metallic Altermagnets
Xuan Zou, Rafael M. Fernandes, Eduardo Fradkin
Altermagnets are a newly identified class of magnets with nodal spin-split band structures, providing a fertile platform for studying unconventional superconductivity and intertwin…
Unraveling Deconfined Quantum Criticality in Non-Hermitian Easy-Plane - Model
Xuan Zou, Shuai Yin, Zi-Xiang Li +1
Deconfined quantum critical point (DQCP) characterizes the continuous transition beyond Landau-Ginzburg-Wilson paradigm, occurring between two phases that exhibit distinct symmetry…
Emergence of charge- superconductivity from 2D nematic superconductors
Xuan Zou, Zhou-Quan Wan, Hong Yao
Charge- superconductivity is an exotic state of matter that may emerge as a vestigial order from a charge- superconductor with multicomponent superconducting order paramete…
Field-induced phase transitions in the Kitaev-Heisenberg model: A sign-problem-free quantum Monte Carlo study and possible application to -RuCl3
Xuan Zou, Shuo Liu, Wenan Guo +1
The frustrated magnet -RuCl3 is one of the prime candidates for realizing a Kitaev quantum spin liquid (QSL). However, the existence of a field-induced intermediate QSL phase i…