Dresden 2020 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 14: Superconductivity: Theory 1

TT 14.6: Talk

Monday, March 16, 2020, 16:30–16:45, HSZ 204

Odd-frequency spin-triplet instability in disordered electron liquid — •Vladimir Zyuzin¹ and Alexander Finkel'stein² — ¹Texas A&M University, Nordita — ²Texas A&M University

We theoretically consider a two-dimensional disordered conductor in the vicinity to the superconducting phase destroyed by a magnetic field. We find that a point of ending the superconductivity is a quantum critical point separating the conventional superconducting phase from a state with the odd-frequency spin-triplet superconducting pairing instability. We speculate that this could shed light onto a rather mysterious insulating state observed in the strongly disordered superconducting films in a broad region of magnetic fields.