Theoretical analysis for inelastic neutron scattering on BaFe $_{2}$ (As $_{1-x}$ ,P $_{x}$ ) $_{2}$ using realistic three-dimensional 10-orbital tight-binding model

Nagai, Yuki ; Nakamura, Hiroki ; Suzuki, Katsuhiro*; Usui, Hidetomo*; Kuroki, Kazuhiko*; Machida, Masahiko

We calculate spin susceptibility on the basis of the multi-orbital random-phase approximation with use of the realistic three-dimensional 10-orbital tight-binding model for an iron-based superconductor BaFe $_{2}$ (As $_{1-x}$ ,P $_{x}$ ) $_{2}$ which seems to have gap-nodes. We show that the shape of nodes on the Fermi surface for BaFe $_{2}$ (As $_{1-x}$ ,P $_{x}$ ) $_{2}$ is distinguishable according to inelastic neutron scattering experiments. Our results are consistent with the recent neutron scattering experiments for BaFe $_{2}$ (As $_{1-x}$ ,P $_{x}$ ) $_{2}$ with Tc = 30 K.

Language	:	English
Journal	:	Journal of the Physical Society of Japan
Volume	:	80
Number	:	Suppl.B
Pages	:	p.SB021_1 - SB021_4
Publication Year/Month	:	2011/12
Meeting title	:	International Workshop on Neutron Applications on Strongly Correlated Electron Systems 2011 (NASCES '11)
Held date	:	2011/02
Location (city)	:	Tokai
Location (country)	:	Japan
Patent information	:
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Paper URL	:	https://doi.org/10.1143/JPSJS.80SB.SB021
DOI for research data	:
Keywords	:	no keyword
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Press Release	:
Article of JAEA R&D Review	:	J-PARC and Supercomputer, a Collaborative Challenge to Solve the Mechanism of Superconductivity; A Quest for Electron Pairing through Computer Simulation of Neutron Scattering in Iron-Based Superconductors[/]
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Registration No. : BB20103779
JAEA Abstracts No. : 40000149
Paper Submission No. : 10082

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Theoretical analysis for inelastic neutron scattering on BaFe(As,P) using realistic three-dimensional 10-orbital tight-binding model

Theoretical analysis for inelastic neutron scattering on BaFe $_{2}$ (As $_{1-x}$ ,P $_{x}$ ) $_{2}$ using realistic three-dimensional 10-orbital tight-binding model