DHvA oscillation in the anisotropic superconductors of UPd2Al3 and URu2 Si2

Yoshihiko Inada; Yoshinori Haga; Hitoshi Ohkuni; Yoshihumi Tokiwa; Rikio Settai; Tetsuo Honma; Etuji Yamamoto; Yoshichika Onuki

doi:10.1016/S0921-4526(99)02122-5

DHvA oscillation in the anisotropic superconductors of UPd₂Al₃ and URu₂ Si₂

Yoshihiko Inada, Yoshinori Haga, Hitoshi Ohkuni, Yoshihumi Tokiwa, Rikio Settai, Tetsuo Honma, Etuji Yamamoto, Yoshichika Onuki

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

UPd₂Al₃ and URu₂Si₂ are considered to be non-s-wave superconductors with an anisotropic energy gap from the NMR and specific heat measurements. We have succeeded in observing clearly the dHvA oscillation in both the normal and superconducting mixed states. The cyclotron mass is found to be reduced and the Dingle temperature increases in the mixed state. An anisotropic energy gap with a line node for UPd₂Al₃ and URu₂Si₂ was discussed from the angular dependence of the dHvA amplitude in the mixed state.

Original language	English
Pages (from-to)	523-524
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	284-288
Issue number	PART I
DOIs	https://doi.org/10.1016/S0921-4526(99)02122-5
Publication status	Published - Jan 1 2000
Externally published	Yes

Keywords

Anisotropic superconductors
De Haas-van Alphen effect
Heavy fermions
UPdAl
URuSi

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/S0921-4526(99)02122-5

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Inada, Y., Haga, Y., Ohkuni, H., Tokiwa, Y., Settai, R., Honma, T., Yamamoto, E., & Onuki, Y. (2000). DHvA oscillation in the anisotropic superconductors of UPd₂Al₃ and URu₂ Si₂. Physica B: Condensed Matter, 284-288(PART I), 523-524. https://doi.org/10.1016/S0921-4526(99)02122-5

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abstract = "UPd2Al3 and URu2Si2 are considered to be non-s-wave superconductors with an anisotropic energy gap from the NMR and specific heat measurements. We have succeeded in observing clearly the dHvA oscillation in both the normal and superconducting mixed states. The cyclotron mass is found to be reduced and the Dingle temperature increases in the mixed state. An anisotropic energy gap with a line node for UPd2Al3 and URu2Si2 was discussed from the angular dependence of the dHvA amplitude in the mixed state.",

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author = "Yoshihiko Inada and Yoshinori Haga and Hitoshi Ohkuni and Yoshihumi Tokiwa and Rikio Settai and Tetsuo Honma and Etuji Yamamoto and Yoshichika Onuki",

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T1 - DHvA oscillation in the anisotropic superconductors of UPd2Al3 and URu2 Si2

AU - Inada, Yoshihiko

AU - Haga, Yoshinori

AU - Ohkuni, Hitoshi

AU - Tokiwa, Yoshihumi

AU - Settai, Rikio

AU - Honma, Tetsuo

AU - Yamamoto, Etuji

AU - Onuki, Yoshichika

PY - 2000/1/1

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N2 - UPd2Al3 and URu2Si2 are considered to be non-s-wave superconductors with an anisotropic energy gap from the NMR and specific heat measurements. We have succeeded in observing clearly the dHvA oscillation in both the normal and superconducting mixed states. The cyclotron mass is found to be reduced and the Dingle temperature increases in the mixed state. An anisotropic energy gap with a line node for UPd2Al3 and URu2Si2 was discussed from the angular dependence of the dHvA amplitude in the mixed state.

AB - UPd2Al3 and URu2Si2 are considered to be non-s-wave superconductors with an anisotropic energy gap from the NMR and specific heat measurements. We have succeeded in observing clearly the dHvA oscillation in both the normal and superconducting mixed states. The cyclotron mass is found to be reduced and the Dingle temperature increases in the mixed state. An anisotropic energy gap with a line node for UPd2Al3 and URu2Si2 was discussed from the angular dependence of the dHvA amplitude in the mixed state.

KW - Anisotropic superconductors

KW - De Haas-van Alphen effect

KW - Heavy fermions

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KW - URuSi

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