Theoretical study on vortex lattices in tetragonal superconductors

Noriyuki Nakai; Predrag Miranović; Masanori Ichioka; Kazushige Machida

doi:10.1016/S0921-4534(02)02446-2

Theoretical study on vortex lattices in tetragonal superconductors

Noriyuki Nakai, Predrag Miranović, Masanori Ichioka, Kazushige Machida

Research Institute for Interdisciplinary Science

Research output: Contribution to journal › Conference article › peer-review

Abstract

Vortex lattices of four fold symmetric superconductors are studied numerically on the basis of the quasiclassical theory. The four fold symmetric anisotropy of the Fermi velocity or the superconducting gap function causes the vortex lattice transformation. The transformation as observed in LuNi₂B₂C could be understood with the four fold symmetric anisotropy. We show the temperature and field phase diagram for four fold symmetric superconductors and the spatial structures of the pair potential and zero energy states in the case of the stable square vortex lattice at the low field.

Original language	English
Pages (from-to)	677-678
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	388-389
DOIs	https://doi.org/10.1016/S0921-4534(02)02446-2
Publication status	Published - May 1 2003
Event	proceedings of the 23rd international conference on low temper - Hiroshima, Japan Duration: Aug 20 2002 → Aug 27 2002

Keywords

Borocarbide superconductors
Four fold symmetric anisotropy
Quasiclassical theory
Vortex lattice

ASJC Scopus subject areas

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

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title = "Theoretical study on vortex lattices in tetragonal superconductors",

abstract = "Vortex lattices of four fold symmetric superconductors are studied numerically on the basis of the quasiclassical theory. The four fold symmetric anisotropy of the Fermi velocity or the superconducting gap function causes the vortex lattice transformation. The transformation as observed in LuNi2B2C could be understood with the four fold symmetric anisotropy. We show the temperature and field phase diagram for four fold symmetric superconductors and the spatial structures of the pair potential and zero energy states in the case of the stable square vortex lattice at the low field.",

keywords = "Borocarbide superconductors, Four fold symmetric anisotropy, Quasiclassical theory, Vortex lattice",

author = "Noriyuki Nakai and Predrag Miranovi{\'c} and Masanori Ichioka and Kazushige Machida",

year = "2003",

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doi = "10.1016/S0921-4534(02)02446-2",

language = "English",

volume = "388-389",

pages = "677--678",

journal = "Physica C: Superconductivity and its Applications",

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publisher = "Elsevier",

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TY - JOUR

T1 - Theoretical study on vortex lattices in tetragonal superconductors

AU - Nakai, Noriyuki

AU - Miranović, Predrag

AU - Ichioka, Masanori

AU - Machida, Kazushige

PY - 2003/5/1

Y1 - 2003/5/1

N2 - Vortex lattices of four fold symmetric superconductors are studied numerically on the basis of the quasiclassical theory. The four fold symmetric anisotropy of the Fermi velocity or the superconducting gap function causes the vortex lattice transformation. The transformation as observed in LuNi2B2C could be understood with the four fold symmetric anisotropy. We show the temperature and field phase diagram for four fold symmetric superconductors and the spatial structures of the pair potential and zero energy states in the case of the stable square vortex lattice at the low field.

AB - Vortex lattices of four fold symmetric superconductors are studied numerically on the basis of the quasiclassical theory. The four fold symmetric anisotropy of the Fermi velocity or the superconducting gap function causes the vortex lattice transformation. The transformation as observed in LuNi2B2C could be understood with the four fold symmetric anisotropy. We show the temperature and field phase diagram for four fold symmetric superconductors and the spatial structures of the pair potential and zero energy states in the case of the stable square vortex lattice at the low field.

KW - Borocarbide superconductors

KW - Four fold symmetric anisotropy

KW - Quasiclassical theory

KW - Vortex lattice

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U2 - 10.1016/S0921-4534(02)02446-2

DO - 10.1016/S0921-4534(02)02446-2

M3 - Conference article

AN - SCOPUS:0038814251

VL - 388-389

SP - 677

EP - 678

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

SN - 0921-4534

T2 - proceedings of the 23rd international conference on low temper

Y2 - 20 August 2002 through 27 August 2002

ER -

Theoretical study on vortex lattices in tetragonal superconductors

Abstract

Keywords

ASJC Scopus subject areas

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