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  Comment on "Terahertz time-domain spectroscopy of transient metallic and superconducting states" (arXiv:1506.06758)

Nicoletti, D., Mitrano, M., Cantaluppi, A., & Cavalleri, A. (in preparation). Comment on "Terahertz time-domain spectroscopy of transient metallic and superconducting states" (arXiv:1506.06758).

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-B14F-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-B151-5
Genre: Paper

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1506.07846.pdf (Preprint), 537KB
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http://arxiv.org/abs/1506.07846 (Preprint)
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 Creators:
Nicoletti, Daniele1, Author              
Mitrano, Matteo1, Author              
Cantaluppi, Alice1, Author              
Cavalleri, Andrea1, Author              
Affiliations:
1Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938293              

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Free keywords: Condensed Matter; Superconductivity
 Abstract: We comment on the model proposed by Orenstein and Dodge in arXiv:1506.06758v1, which describes time-domain terahertz measurements of transiently generated, high-electron-mobility (or superconducting) phases of solids. The authors' main conclusion is that time-domain terahertz spectroscopy does not measure a response function that is mathematically identical to the transient optical conductivity. We show that although this is correct, the difference between the measured response function and the microscopic optical conductivity is small for realistic experimental parameters. We also show that for the experiments reported by our group on light-induced superconducting-like phases in cuprates and in organic conductors, the time-domain terahertz yields a very good estimate for the optical conductivity.

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Language(s): eng - English
 Dates: 2015-06-25
 Publication Status: Not specified
 Pages: 3
 Publishing info: -
 Table of Contents: -
 Rev. Method: No review
 Identifiers: arXiv: 1506.07846
 Degree: -

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