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Title: Local spin-density-wave order inside vortex cores in multiband superconductors

Abstract

Coexistence of antiferromagnetic order with superconductivity in many families of newly discovered iron-based superconductors has renewed interest to this old problem. Due to competition between the two types of order, one can expect appearance of the antiferromagnetism inside the cores of the vortices generated by the external magnetic field. The structure of a vortex in type II superconductors holds significant importance from the theoretical and the application points of view. In this paper, we consider the internal vortex structure in a two-band s± superconductor near a spin-density-wave instability. We treat the problem in a completely self-consistent manner within the quasiclassical Eilenberger formalism. We study the structure of the s± superconducting order and magnetic field-induced spin-density-wave order near an isolated vortex. Finally, we examine the effect of this spin-density-wave state inside the vortex cores on the local density of states.

Authors:
 [1];  [2]
  1. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States); Energy Frontier Research Centers (EFRC) (United States). Center for Emergent Superconductivity (CES)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Contributing Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
OSTI Identifier:
1356991
Alternate Identifier(s):
OSTI ID: 1210100
Grant/Contract Number:  
AC02-06CH11357; AC02-98CH10886
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 92; Journal Issue: 6; Journal ID: ISSN 1098-0121
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Mishra, Vivek, and Koshelev, Alexei E. Local spin-density-wave order inside vortex cores in multiband superconductors. United States: N. p., 2015. Web. doi:10.1103/PhysRevB.92.064511.
Mishra, Vivek, & Koshelev, Alexei E. Local spin-density-wave order inside vortex cores in multiband superconductors. United States. doi:10.1103/PhysRevB.92.064511.
Mishra, Vivek, and Koshelev, Alexei E. Thu . "Local spin-density-wave order inside vortex cores in multiband superconductors". United States. doi:10.1103/PhysRevB.92.064511. https://www.osti.gov/servlets/purl/1356991.
@article{osti_1356991,
title = {Local spin-density-wave order inside vortex cores in multiband superconductors},
author = {Mishra, Vivek and Koshelev, Alexei E.},
abstractNote = {Coexistence of antiferromagnetic order with superconductivity in many families of newly discovered iron-based superconductors has renewed interest to this old problem. Due to competition between the two types of order, one can expect appearance of the antiferromagnetism inside the cores of the vortices generated by the external magnetic field. The structure of a vortex in type II superconductors holds significant importance from the theoretical and the application points of view. In this paper, we consider the internal vortex structure in a two-band s± superconductor near a spin-density-wave instability. We treat the problem in a completely self-consistent manner within the quasiclassical Eilenberger formalism. We study the structure of the s± superconducting order and magnetic field-induced spin-density-wave order near an isolated vortex. Finally, we examine the effect of this spin-density-wave state inside the vortex cores on the local density of states.},
doi = {10.1103/PhysRevB.92.064511},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
number = 6,
volume = 92,
place = {United States},
year = {2015},
month = {8}
}

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Cited by: 2 works
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