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American Physical Society (APS)
Physical Review Research
,  volume 6 ,  issue 2 ,  publication number 023105

Topological states of multiband superconductors with interband pairing

Publication type: Journal Article
Publication date: 2024-04-30
American Physical Society (APS)
scimago Q1
wos Q1
SJR: 1.593
CiteScore: 6.8
Impact factor: 4.2
ISSN: 26431564
Abstract

We study the effects of interband pairing in two-band s-wave and d-wave superconductors with D4h symmetry in both time-reversal invariant as well as time-reversal symmetry-breaking states. The presence of interband pairing qualitatively changes the nodal structure of the superconductor: nodes can (dis)appear, merge, and leave high-symmetry locations when interband pairing is tuned. Furthermore, in the d-wave case, we find that also the boundary modes change qualitatively when interband pairing increases: flat zero-energy Andreev bound states gap out and transition to helical edge states.

Published by the American Physical Society 2024
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Holst M. F. et al. Topological states of multiband superconductors with interband pairing // Physical Review Research. 2024. Vol. 6. No. 2. 023105
GOST all authors (up to 50) Copy
Holst M. F., Sigrist M., Samokhin K. V. Topological states of multiband superconductors with interband pairing // Physical Review Research. 2024. Vol. 6. No. 2. 023105
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RIS Copy
TY - JOUR
DO - 10.1103/physrevresearch.6.023105
UR - https://link.aps.org/doi/10.1103/PhysRevResearch.6.023105
TI - Topological states of multiband superconductors with interband pairing
T2 - Physical Review Research
AU - Holst, Maximilian F
AU - Sigrist, Manfred
AU - Samokhin, K. V.
PY - 2024
DA - 2024/04/30
PB - American Physical Society (APS)
IS - 2
VL - 6
SN - 2643-1564
ER -
BibTex
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BibTex (up to 50 authors) Copy
@article{2024_Holst,
author = {Maximilian F Holst and Manfred Sigrist and K. V. Samokhin},
title = {Topological states of multiband superconductors with interband pairing},
journal = {Physical Review Research},
year = {2024},
volume = {6},
publisher = {American Physical Society (APS)},
month = {apr},
url = {https://link.aps.org/doi/10.1103/PhysRevResearch.6.023105},
number = {2},
pages = {023105},
doi = {10.1103/physrevresearch.6.023105}
}