PROBING TRIPLET SUPERCONDUCTIVITY BY THE ANDREEV-EDELSTEIN EFFECT
2nd International Conference on MAGNETISM AND MAGNETIC MATERIALS
September 24- 26 , 2018 | Budapest , Hungary
Grigory Tkachov
Wuerzburg University, Germany
Posters & Accepted Abstracts : Mater Sci Nanotechnol
Abstract:
An unambiguous identification of spin-triplet superconductivity is one of the outstanding problems in condensed matter physics. The author will present a new approach to this problem based on using Andreev reflection in combination with the Edelstein effect. The latter refers to the spin magnetization produced by an electric supercurrent in a noncentrosymmetric superconductor. The author will discuss the combined Andreev-Edelstein effect which consists in the generation of equal-spin triplet Andreev reflection by a supercurrent. This effect is a smoking gun for the nonunitary triplet pairing which is characterized by cooper-pair spin magnetism. Both intrinsic and proximity-induced on centrosymmetric superconductors will be addressed. In the latter case, we will focus on the topological insulator surface states which, in general, offer an excellent playground for studying the Edelstein and related magnetoelectric effects
Biography:
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