Magnetic penetration depth and the symmetry of the order parameter in Sr2RuO4

I. Bonalde; Brian D. Yanoff; D. J. Van Harlingen; M. B. Salamon; Y. Maeno

doi:10.1016/S0921-4534(00)00941-2

Magnetic penetration depth and the symmetry of the order parameter in Sr₂RuO₄

I. Bonalde, Brian D. Yanoff, D. J. Van Harlingen, M. B. Salamon, Y. Maeno

Physics

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

Abstract

We report on the temperature dependence of the penetration depth of single crystals of Sr₂RuO₄ (T_c ∼ 1.44 K). We observe a quadratic temperature dependence in the low temperature region down to 40 mK, with no sign of a second phase transition. The result is not consistent with some proposed models of multi-band superconductivity. We discuss the implications of this result with respect to the symmetry of the order parameter in this material.

Original language	English (US)
Pages (from-to)	1695-1696
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	341-348
Issue number	PART 2
DOIs	https://doi.org/10.1016/S0921-4534(00)00941-2
State	Published - 2000

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/S0921-4534(00)00941-2

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Cite this

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abstract = "We report on the temperature dependence of the penetration depth of single crystals of Sr2RuO4 (Tc ∼ 1.44 K). We observe a quadratic temperature dependence in the low temperature region down to 40 mK, with no sign of a second phase transition. The result is not consistent with some proposed models of multi-band superconductivity. We discuss the implications of this result with respect to the symmetry of the order parameter in this material.",

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AU - Maeno, Y.

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AB - We report on the temperature dependence of the penetration depth of single crystals of Sr2RuO4 (Tc ∼ 1.44 K). We observe a quadratic temperature dependence in the low temperature region down to 40 mK, with no sign of a second phase transition. The result is not consistent with some proposed models of multi-band superconductivity. We discuss the implications of this result with respect to the symmetry of the order parameter in this material.

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