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  Possible Light-induced Superconductivity in Metallic K3C60

Cantaluppi, A., Mitrano, M., Nicoletti, D., Kaiser, S., Perucchi, A., Lupi, S., et al. (2016). Possible Light-induced Superconductivity in Metallic K3C60. In 41st International Conference on Infrared, Millimeter, and Terahertz waves. IEEE. doi:10.1109/IRMMW-THz.2016.7758696.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-18BA-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-E5DD-4
Genre: Conference Paper

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 Creators:
Cantaluppi, Alice1, Author              
Mitrano, Matteo1, Author              
Nicoletti, Daniele1, Author              
Kaiser, Stefan1, Author              
Perucchi, A.2, Author
Lupi, S.3, Author
Di Pietro, P.2, Author
Pontiroli, D.4, Author
Riccò, M.4, Author
Clark, Stephen R.5, Author              
Jaksch, D.6, 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              
2INSTM UdR Trieste-ST and Elettra - Sincrotrone Trieste S.C.p.A., Basovizza, Trieste, Italy, ou_persistent22              
3CNR-IOM and Dipartimento di Fisica, Université di Roma “Sapienza", Roma, Italy, ou_persistent22              
4Dipartimento di Fisica e Scienze della Terra, Università degli Studi di Parma, Parma, Italy, ou_persistent22              
5Department of Physics, University of Bath, Claverton Down, Bath, United Kingdom, ou_persistent22              
6Department of Physics, Oxford University, Clarendon Laboratory, Oxford, United Kingdom, ou_persistent22              

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Free keywords: Temperature measurement; Ultrafast optics; Optical imaging; Optical pumping; Optical reflection; Superconductivity; Optical pulses
 Abstract: We report possible light-induced superconductivity in the organic molecular solid K3C60, a superconductor at equilibrium below Tc=20 K. In our experiment we excited this alkali-doped fulleride with strong femtosecond pulses, tuned to be resonant with local molecular vibrational modes. By means of THz time-domain spectroscopy, we detected the pump-induced changes in the conductivity spectrum as a function of pump-probe time delay. Strikingly, at temperatures up to 100 K, we measured a light-induced response with the same optical properties of the equilibrium superconductor. An interpretation in terms of non-linear coupling between different vibrational modes may give hints to explain this emergent physics away of equilibrium.

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Language(s): eng - English
 Dates: 2016-12-01
 Publication Status: Published online
 Pages: 3
 Publishing info: -
 Table of Contents: -
 Rev. Method: Internal
 Identifiers: DOI: 10.1109/IRMMW-THz.2016.7758696
 Degree: -

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Title: 41st International Conference on Infrared, Millimeter, and Terahertz waves
Place of Event: Bella Center, Copenhagen, Denmark
Start-/End Date: 2016-09-25 - 2016-09-30

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Title: 41st International Conference on Infrared, Millimeter, and Terahertz waves
Source Genre: Proceedings
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Publ. Info: IEEE
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: ISBN: 978-1-4673-8485-8
ISSN: 2162-2035

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Title: International Conference on Infrared Millimeter and Terahertz Waves
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Publ. Info: IEEE
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