Flux-line lattice state in FeAs-based superconductor KFe2As 2

Kazuki Ohishi; Yasuyuki Ishii; Isao Watanabe; Hideto Fukazawa; Taku Saito; Yoh Kohori; Kunihiro Kihou; Chul Ho Lee; Hijiri Kito; Akira Iyo; Hiroshi Eisaki

doi:10.1088/1742-6596/400/2/022087

Flux-line lattice state in FeAs-based superconductor KFe₂As ₂

Kazuki Ohishi, Yasuyuki Ishii, Isao Watanabe, Hideto Fukazawa, Taku Saito, Yoh Kohori, Kunihiro Kihou, Chul Ho Lee, Hijiri Kito, Akira Iyo, Hiroshi Eisaki

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

2 Citations (Scopus)

Abstract

We report on transverse field muon spin rotation measurements of the magnetic penetration depth λ in the iron-based superconductor KFe ₂As₂ in order to investigate the superconducting gap mechanism. We have found that temperature dependence of λ shows multiple gap like behavior and λ depends on the field. These results suggests the existence of quasiparticle excitations outside the vortices.

Original language	English
Article number	022087
Journal	Journal of Physics: Conference Series
Volume	400
Issue number	PART 2
DOIs	https://doi.org/10.1088/1742-6596/400/2/022087
Publication status	Published - 2012
Externally published	Yes
Event	26th International Conference on Low Temperature Physics, LT 2011 - Beijing, China Duration: 2011 Aug 10 → 2011 Aug 17

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1088/1742-6596/400/2/022087

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title = "Flux-line lattice state in FeAs-based superconductor KFe2As 2",

abstract = "We report on transverse field muon spin rotation measurements of the magnetic penetration depth λ in the iron-based superconductor KFe 2As2 in order to investigate the superconducting gap mechanism. We have found that temperature dependence of λ shows multiple gap like behavior and λ depends on the field. These results suggests the existence of quasiparticle excitations outside the vortices.",

author = "Kazuki Ohishi and Yasuyuki Ishii and Isao Watanabe and Hideto Fukazawa and Taku Saito and Yoh Kohori and Kunihiro Kihou and Lee, {Chul Ho} and Hijiri Kito and Akira Iyo and Hiroshi Eisaki",

year = "2012",

doi = "10.1088/1742-6596/400/2/022087",

language = "English",

volume = "400",

journal = "Journal of Physics: Conference Series",

issn = "1742-6588",

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note = "26th International Conference on Low Temperature Physics, LT 2011 ; Conference date: 10-08-2011 Through 17-08-2011",

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TY - JOUR

T1 - Flux-line lattice state in FeAs-based superconductor KFe2As 2

AU - Ohishi, Kazuki

AU - Ishii, Yasuyuki

AU - Watanabe, Isao

AU - Fukazawa, Hideto

AU - Saito, Taku

AU - Kohori, Yoh

AU - Kihou, Kunihiro

AU - Lee, Chul Ho

AU - Kito, Hijiri

AU - Iyo, Akira

AU - Eisaki, Hiroshi

PY - 2012

Y1 - 2012

N2 - We report on transverse field muon spin rotation measurements of the magnetic penetration depth λ in the iron-based superconductor KFe 2As2 in order to investigate the superconducting gap mechanism. We have found that temperature dependence of λ shows multiple gap like behavior and λ depends on the field. These results suggests the existence of quasiparticle excitations outside the vortices.

AB - We report on transverse field muon spin rotation measurements of the magnetic penetration depth λ in the iron-based superconductor KFe 2As2 in order to investigate the superconducting gap mechanism. We have found that temperature dependence of λ shows multiple gap like behavior and λ depends on the field. These results suggests the existence of quasiparticle excitations outside the vortices.

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UR - http://www.scopus.com/inward/citedby.url?scp=84873629032&partnerID=8YFLogxK

U2 - 10.1088/1742-6596/400/2/022087

DO - 10.1088/1742-6596/400/2/022087

M3 - Conference article

AN - SCOPUS:84873629032

SN - 1742-6588

VL - 400

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

IS - PART 2

M1 - 022087

T2 - 26th International Conference on Low Temperature Physics, LT 2011

Y2 - 10 August 2011 through 17 August 2011

ER -

Flux-line lattice state in FeAs-based superconductor KFe₂As ₂

Abstract

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