Temperature dependence of the superconductivity-induced collective mode in the c-axis infrared spectra of bilayer cuprate superconductors
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Munzar, Dominik
Department of Condensed Matter Physics, Faculty of Science, Masaryk University, Brno, Czech Republic
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Chaloupka, Jiří
Department of Condensed Matter Physics, Faculty of Science, Masaryk University, Brno, Czech Republic
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Bernhard, Christian
Department of Physics and Fribourg Center for Nanomaterials, University of Fribourg, Switzerland
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Dubroka, Adam
Department of Physics and Fribourg Center for Nanomaterials, University of Fribourg, Switzerland
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Vašátko, J.
Department of Condensed Matter Physics, Faculty of Science, Masaryk University, Brno, Czech Republic
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Published in:
- Physica C: Superconductivity. - 2010, vol. 470, no. Supplement 1, p. S75-S77
English
The low-temperature spectra of the c-axis infrared conductivity of bilayer high-Tc cuprate superconductors (HTCS) exhibit two superconductivity-induced modes [Li Yu et al., Phys. Rev. Lett. 100 (2008) 177004; and references therein]. Both can be understood in terms of a microscopic theory developed recently [J. Chaloupka, C. Bernhard, D. Munzar, Phys. Rev. B 79 (2009) 184513]. Here we summarize the elements of the theory and report on the temperature dependence (TD) of the low-energy mode and of the total optical spectral weight (SW). The calculated TD of the mode is consistent with experiment but the trends of the SW are not.
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Faculty
- Faculté des sciences et de médecine
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Department
- Département de Physique
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Language
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Classification
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Physics
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License
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License undefined
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Identifiers
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Persistent URL
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https://folia.unifr.ch/unifr/documents/301318
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