Majorana fermion arcs and the local density of states of UTe2

Yue Yu, Vidya Madhavan, S. Raghu

Research output: Contribution to journalArticlepeer-review

Abstract

UTe2 is a leading candidate for chiral p-wave superconductivity and for hosting exotic Majorana fermion quasiparticles. Motivated by recent STM experiments in this system, we study particle-hole symmetry breaking in chiral p-wave superconductors. We compute the local density of states from Majorana fermion surface states in the presence of Rashba surface spin-orbit coupling, which is expected to be sizable in heavy-fermion materials like UTe2. We show that time-reversal and surface reflection symmetry breaking lead to a natural pairing tendency toward a triplet pair density wave state, which naturally can account for broken particle-hole symmetry. The relevance of our results to the recent STM measurements requires further investigation.

Original languageEnglish (US)
Article number174520
JournalPhysical Review B
Volume105
Issue number17
DOIs
StatePublished - May 1 2022
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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