239 citations · 2.2k across the 65 of their papers we have counts for
6 papers · 1 filter
Nonlocality as the source of purely quantum dynamics of BCS superconductors
Aidan Zabalo, Ang-Kun Wu, J. H. Pixley +1
We show that the classical (mean-field) description of far from equilibrium superconductivity is exact in the thermodynamic limit for local observables but breaks down for global q…
Singularities in the Loschmidt echo of quenched topological superconductors
Sankalp Gaur, Victor Gurarie, Emil A. Yuzbashyan
We study the Loschmidt echo in the quenched two-dimensional -wave topological superconductor. We find that if this superconductor is quenched out of the critical point separatin…
Superconductivity near a quantum critical point in the extreme retardation regime
Emil A. Yuzbashyan, Michael K. -H. Kiessling, Boris L. Altshuler
We study fermions at quantum criticality with extremely retarded interactions of the form , where is the transferred Matsubara frequency. This system unde…
Breakdown of the Migdal-Eliashberg theory and a theory of lattice-fermionic superfluidity
Emil A. Yuzbashyan, Boris L. Altshuler
We show that the Migdal-Eliashberg theory loses validity at a finite value of the electron-phonon coupling regardless of the underlying model Hamiltonian. The value of $λ…
Migdal-Eliashberg theory as a classical spin chain
Emil A. Yuzbashyan, Boris L. Altshuler
We formulate the Migdal-Eliashberg theory of electron-phonon interactions in terms of classical spins by mapping the free energy to a Heisenberg spin chain in a Zeeman magnetic fie…
Simulating dynamical phases of chiral superconductors with a trapped ion magnet
Athreya Shankar, Emil A. Yuzbashyan, Victor Gurarie +3
Two-dimensional superconductors and superfluids are systems that feature chiral behavior emerging from the Cooper pairing of electrons or neutral fermionic atoms with non-…