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Triplet pairing due to spin-orbit-assisted electron-phonon coupling

Research output: Contribution to journalJournal article

Published

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Journal publication date17/07/2006
JournalPhysical Review B
Journal number1
Volume74
Number of pages4
Original languageEnglish

Abstract

We propose a microscopic mechanism for spin-dependent attraction in a metal leading to triplet pairing, which is caused by spin-orbit-assisted coupling between electrons and optical phonons in crystals with complex unit cells. Using two examples of crystals with either a cubic or a layered square lattice, we show that spin-orbit-assisted electron-phonon coupling generates triplet pairing with uniquely predetermined tensor structure of the p-wave order parameter.

Bibliographic note

© 2006 The American Physical Society