Zero-energy edge states and their origin in particle-hole symmetric systems: Symmetry and topology

Shinsei Ryu, Yasuhiro Hatsugai

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

We propose a criterion to determine the existence of zero-energy edge states for a class of particle-hole symmetric systems. A loop is assigned for each system, and its topology and a symmetry play an essential role. Applications to d-wave superconductors are demonstrated.

Original languageEnglish (US)
Pages (from-to)90-91
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume388-389
DOIs
StatePublished - May 2003
Externally publishedYes
Eventproceedings of the 23rd international conference on low temper - Hiroshima, Japan
Duration: Aug 20 2002Aug 27 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Keywords

  • Coexistence of different order parameters
  • Graphite ribbons
  • Zero-energy edge states
  • d-wave superconductivity

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