Analysis on photoemission spectrum of superconducting FeSe
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- 作者：Rikiya Yoshida ; Takanori Wakita ; Hiroyuki Okazaki ; Yoshikazu Mizuguchi ; Shunsuke Tsuda ; Yoshihiko Takano ; Hiroyuki Takeya ; Kazuto Hirata ; Yukako Kato ; Takayuki Muro ; Mario Okawa ; Kyoko Ishizaka ; Shik Shin ; Hisatomo Harima ; Masaaki Hirai ; Yuji Muraoka ; Takayoshi Yokoya
- 关键词：Iron chalcogenide superconductor ; FeSe ; Photoemission spectroscopy ; Band calculation
- 刊名：Physica C
- 出版年：2010
- 出版时间：December 2010
- 年：2010
- 卷：470
- 期：Supplement 1
- 页码：S389-S390
- 全文大小：217 K
文摘
In this paper, we present the result of soft X-ray photoemission spectroscopy and its comparison with the density functional calculation. Although local density approximation seems to be a good starting point for describing the electronic structure of FeSe, the simulated spectrum poorly reproduced the structure around . This result suggests the necessity of theoretical treatment beyond local density approximation.