Enhanced triplet superconductivity in next-generation ultraclean UTe2

Z Wu, TI Weinberger, J Chen, A Cabala… - Proceedings of the …, 2024 - pnas.org
The unconventional superconductor UTe 2 exhibits numerous signatures of spin-triplet
superconductivity—a rare state of matter which could enable quantum computation …

Unconventional discontinuous transitions in a two-dimensional system with spin and valley degrees of freedom

ZM Raines, LI Glazman, AV Chubukov - Physical Review B, 2024 - APS
We analyze the transition into the most favorable ordered state for a system of 2D fermions
with spin and valley degrees of freedom. We show that for a range of rotationally invariant …

Theory of Coulomb driven nematicity in a multi-valley two-dimensional electron gas

V Calvera, A Valenti, SD Huber, E Berg… - arXiv preprint arXiv …, 2024 - arxiv.org
The properties of a two-dimensional electron gas (2DEG) in a semiconductor host with two
valleys related by an underlying $ C_4 $ rotational symmetry are studied using Hartree-Fock …

Berry monopoles and divergent quantum metric in systems with non-integer band dispersion

JOA Biscocho, KHA Villegas - arXiv preprint arXiv:2410.14213, 2024 - arxiv.org
We investigate the quantum geometric tensor, which is comprised of the Berry curvature and
quantum metric, in a generalized Dirac two-band system with non-integer dispersion, $ E …