3 papers
cond-mat.supr-con2025
Properties of two level systems in current-carrying superconductors
T. Liu, A. V. Andreev, B. Z. Spivak
We show that in disordered superconductors, at sufficiently low frequencies , the coupling of TLS to external ac electric fields increases dramatically in the presence of a dc s…
cond-mat.supr-con2024
Giant microwave absorption in the vortex lattice in -wave superconductors
T. Liu, M. Smith, A. V. Andreev +1
In this article we study microwave absorption in superconductors in the presence of a vortex lattice. We show that in addition to the conventional absorption mechanism associated w…
cond-mat.supr-con2023
Giant nonreciprocity of current-voltage characteristics of noncentrosymmetric supercondctor-normal metal-superconductor junctions
T. Liu, M. Smith, A. V. Andreev +1
We develop a theory of nonreciprocal current-voltage (I-U) characteristics in noncentrosymmetric superconductor-normal metal-superconductor junctions. We show that at small voltage…