Bulk electronic structure of the antiferromagnetic superconducting phase in ErNi2B2C

T. Baba; T. Yokoya; S. Tsuda; T. Kiss; T. Shimojima; K. Ishizaka; H. Takeya; K. Hirata; T. Watanabe; M. Nohara; H. Takagi; N. Nakai; K. Machida; T. Togashi; S. Watanabe; X. Y. Wang; C. T. Chen; S. Shin

doi:10.1103/PhysRevLett.100.017003

Bulk electronic structure of the antiferromagnetic superconducting phase in ErNi2B2C

T. Baba, T. Yokoya, S. Tsuda, T. Kiss, T. Shimojima, K. Ishizaka, H. Takeya, K. Hirata, T. Watanabe, M. Nohara, H. Takagi, N. Nakai, K. Machida, T. Togashi, S. Watanabe, X. Y. Wang, C. T. Chen, S. Shin

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

We have performed temperature- (T-)dependent laser-photoemission spectroscopy of the antiferromagnetic (AF) superconductor ErNi2B2C to study the electronic-structure evolution reflecting the interplay between antiferromagnetism and superconductivity. The spectra at the superconducting (SC) phase show a very broad spectral shape. A T-dependent SC gap shows a sudden deviation from the BCS prediction just below TN. This observation can be explained well by the theoretical model and thus represents the characteristic bulk electronic structure of the AF SC phase for the first time.

Original language	English
Article number	017003
Journal	Physical Review Letters
Volume	100
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.100.017003
Publication status	Published - Jan 8 2008

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.100.017003

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Baba, T., Yokoya, T., Tsuda, S., Kiss, T., Shimojima, T., Ishizaka, K., Takeya, H., Hirata, K., Watanabe, T., Nohara, M., Takagi, H., Nakai, N., Machida, K., Togashi, T., Watanabe, S., Wang, X. Y., Chen, C. T., & Shin, S. (2008). Bulk electronic structure of the antiferromagnetic superconducting phase in ErNi2B2C. Physical Review Letters, 100(1), [017003]. https://doi.org/10.1103/PhysRevLett.100.017003

Bulk electronic structure of the antiferromagnetic superconducting phase in ErNi2B2C. / Baba, T.; Yokoya, T.; Tsuda, S.; Kiss, T.; Shimojima, T.; Ishizaka, K.; Takeya, H.; Hirata, K.; Watanabe, T.; Nohara, M.; Takagi, H.; Nakai, N.; Machida, K.; Togashi, T.; Watanabe, S.; Wang, X. Y.; Chen, C. T.; Shin, S.

In: Physical Review Letters, Vol. 100, No. 1, 017003, 08.01.2008.

Research output: Contribution to journal › Article › peer-review

Baba, T, Yokoya, T, Tsuda, S, Kiss, T, Shimojima, T, Ishizaka, K, Takeya, H, Hirata, K, Watanabe, T, Nohara, M, Takagi, H, Nakai, N, Machida, K, Togashi, T, Watanabe, S, Wang, XY, Chen, CT & Shin, S 2008, 'Bulk electronic structure of the antiferromagnetic superconducting phase in ErNi2B2C', Physical Review Letters, vol. 100, no. 1, 017003. https://doi.org/10.1103/PhysRevLett.100.017003

Baba, T. ; Yokoya, T. ; Tsuda, S. ; Kiss, T. ; Shimojima, T. ; Ishizaka, K. ; Takeya, H. ; Hirata, K. ; Watanabe, T. ; Nohara, M. ; Takagi, H. ; Nakai, N. ; Machida, K. ; Togashi, T. ; Watanabe, S. ; Wang, X. Y. ; Chen, C. T. ; Shin, S. / Bulk electronic structure of the antiferromagnetic superconducting phase in ErNi2B2C. In: Physical Review Letters. 2008 ; Vol. 100, No. 1.

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abstract = "We have performed temperature- (T-)dependent laser-photoemission spectroscopy of the antiferromagnetic (AF) superconductor ErNi2B2C to study the electronic-structure evolution reflecting the interplay between antiferromagnetism and superconductivity. The spectra at the superconducting (SC) phase show a very broad spectral shape. A T-dependent SC gap shows a sudden deviation from the BCS prediction just below TN. This observation can be explained well by the theoretical model and thus represents the characteristic bulk electronic structure of the AF SC phase for the first time.",

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AU - Ishizaka, K.

AU - Takeya, H.

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AU - Takagi, H.

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AU - Togashi, T.

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AU - Wang, X. Y.

AU - Chen, C. T.

AU - Shin, S.

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Bulk electronic structure of the antiferromagnetic superconducting phase in ErNi2B2C

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