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Anomalous superconducting diode effect in a polar superconductor
Robert Kealhofer, Hanbyeol Jeong, Arman Rashidi +2
A superconductor with broken time reversal and inversion symmetry may exhibit nonreciprocal charge transport, including a nonreciprocal critical current, also known as superconduct…
Rotation symmetry breaking in the normal state of a kagome superconductor KV3Sb5
Hong Li, He Zhao, Brenden R. Ortiz +6
Recently discovered kagome superconductors AV3Sb5 (A=K, Rb, Cs) provide a fresh opportunity to realize and study correlation-driven electronic phenomena on a kagome lattice. The ob…
Cascade of correlated electron states in a kagome superconductor CsV3Sb5
He Zhao, Hong Li, Brenden R. Ortiz +7
The kagome lattice of transition metal atoms provides an exciting platform to study electronic correlations in the presence of geometric frustration and nontrivial band topology, w…
Detecting the quantum zero-point motion of vortices in the cuprate superconductors
Lorenz Bartosch, Leon Balents, Subir Sachdev
We explore the experimental implications of a recent theory of the quantum dynamics of vortices in two-dimensional superfluids proximate to Mott insulators. The theory predicts mod…
XY ring-exchange model on the triangular lattice
Leon Balents, Arun Paramekanti
We study ring-exchange models for bosons or XY-spins on the triangular lattice. A four-spin exchange leads to a manifold of ground states with gapless excitations and critical powe…
Quasiparticle transport and localization in high-T_c superconductors
T. Senthil, Matthew P. A. Fisher, Leon Balents +1
We present a theory of the effects of impurity scattering in d_{x^2-y^2} superconductors and their quantum disordered counterparts, based on a non-linear sigma model formulation. W…
Nodal Liquid Theory of the Pseudo-Gap Phase of High-Tc Superconductors
Leon Balents, Matthew P. A. Fisher, Chetan Nayak
We introduce and study the nodal liquid, a novel zero-temperature quantum phase obtained by quantum-disordering a d-wave superconductor. It has numerous remarkable properties which…