9 papers · 1 filter
Kinetic Lifshitz invariants and dynamics of nonreciprocal fluctuations in superconductors
Tony Liu, Joaquim Telles de Miranda, Daniel Shaffer +1
We derive the generalized time-dependent Ginzburg-Landau theory of a disordered noncentrosymmetric superconductor from the Keldysh nonlinear sigma model, using a two-dimensional el…
Fluctuation-Induced Magnetoelectric Effect in Noncentrosymmetric Superconductors
Jaglul Hasan, Daniel Shaffer, Maxim Dzero +1
We study the effect of superconducting fluctuations on the spin susceptibility and NMR relaxation rate in noncentrosymmetric two-dimensional materials above the superconducting tra…
Electrically-controllable superconducting memory effect in UTe2
Zheyu Wu, Hanyi Chen, Mengmeng Long +13
If a computer could be assembled from superconducting components, the energy efficiency would far surpass that of conventional electronics. Historic research efforts towards this g…
Theories of Superconducting Diode Effects
Daniel Shaffer, Alex Levchenko
Superconducting diode effects (SDE), both in bulk superconductors and in Josephson junctions, have garnered a lot of attention due to potential applications in classical and quantu…
Helical phases and Bogoliubov Fermi surfaces probed by superconducting diode effects
Zekun Zhuang, Daniel Shaffer, Jaglul Hasan +1
Noncentrosymmetric superconductors (NCSs) with Rashba spin-orbit coupling (SOC) and in-plane magnetic fields have emerged as natural platforms for realizing both the bulk supercond…
Josephson Diode Effect from Nonequilibrium Current in a Superconducting Interferometer
Daniel Shaffer, Songci Li, Jaglul Hasan +2
We investigate the Josephson diode effect in a superconducting interferometer under nonequilibrium conditions. In contrast to its thermodynamic counterpart, which requires the simu…