Admixtures to d-Wave Gap Symmetry in Untwinned YBa2Cu3O7 Superconducting Films Measured by Angle-Resolved Electron Tunneling

H.J.H. Smilde; Alexandre Avraamovitch Golubov; A. Ariando; Augustinus J.H.M. Rijnders; Jan M. Dekkers; Sybolt Harkema; David H.A. Blank; Horst Rogalla; Johannes W.M. Hilgenkamp

doi:10.1103/PhysRevLett.95.257001

Admixtures to d-Wave Gap Symmetry in Untwinned YBa2Cu3O7 Superconducting Films Measured by Angle-Resolved Electron Tunneling

H.J.H. Smilde, Alexandre Avraamovitch Golubov, A. Ariando, Augustinus J.H.M. Rijnders, Jan M. Dekkers, Sybolt Harkema, David H.A. Blank, Horst Rogalla, Johannes W.M. Hilgenkamp

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Abstract

The large anisotropies observed in the in-plane transport properties of untwinned single crystals of YBa2Cu3O6.95 reside in the orthorhombic nature of its band structure which includes CuO chains as well as CuO2 planes. An infinite band model with distinct effective mass in a and b-direction is used to study the a.c. conductivity of a d-wave BCS superconductor. A subdominant s-wave admixture is also included in the gap because both symmetries belong to the same irreducible representation in an orthorhombic system. Parameters are fit to experimental data.

Original language	Undefined
Pages (from-to)	257001-
Journal	Physical review letters
Volume	95
Issue number	25
DOIs	https://doi.org/10.1103/PhysRevLett.95.257001
Publication status	Published - 2005

Keywords

IR-53791
METIS-227041

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10.1103/PhysRevLett.95.257001

Smilde05admixtures

Cite this

Smilde, H. J. H., Golubov, A. A., Ariando, A., Rijnders, A. J. H. M., Dekkers, J. M., Harkema, S., Blank, D. H. A., Rogalla, H., & Hilgenkamp, J. W. M. (2005). Admixtures to d-Wave Gap Symmetry in Untwinned YBa2Cu3O7 Superconducting Films Measured by Angle-Resolved Electron Tunneling. Physical review letters, 95(25), 257001-. https://doi.org/10.1103/PhysRevLett.95.257001

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abstract = "The large anisotropies observed in the in-plane transport properties of untwinned single crystals of YBa2Cu3O6.95 reside in the orthorhombic nature of its band structure which includes CuO chains as well as CuO2 planes. An infinite band model with distinct effective mass in a and b-direction is used to study the a.c. conductivity of a d-wave BCS superconductor. A subdominant s-wave admixture is also included in the gap because both symmetries belong to the same irreducible representation in an orthorhombic system. Parameters are fit to experimental data.",

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AU - Smilde, H.J.H.

AU - Golubov, Alexandre Avraamovitch

AU - Ariando, A.

AU - Rijnders, Augustinus J.H.M.

AU - Dekkers, Jan M.

AU - Harkema, Sybolt

AU - Blank, David H.A.

AU - Rogalla, Horst

AU - Hilgenkamp, Johannes W.M.

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AB - The large anisotropies observed in the in-plane transport properties of untwinned single crystals of YBa2Cu3O6.95 reside in the orthorhombic nature of its band structure which includes CuO chains as well as CuO2 planes. An infinite band model with distinct effective mass in a and b-direction is used to study the a.c. conductivity of a d-wave BCS superconductor. A subdominant s-wave admixture is also included in the gap because both symmetries belong to the same irreducible representation in an orthorhombic system. Parameters are fit to experimental data.

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