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- Title
Investigating pairing interactions with coherent charge fluctuation spectroscopy.
- Authors
Lorenzana, J.; Mansart, B.; Mann, A.; Odeh, A.; Chergui, M.; Carbone, F.
- Abstract
It has been recently demonstrated that a pump pulse can generate coherent charge fluctuations in a superconductor through a stimulated Raman process [Mansart, et al., Proc. Natl. Acad. Sci. USA 110, 4539 (2013)]. Here, we present a tutorial review of the basic phenomena involved and show how the technique bears a strong analogy with nuclear magnetic resonance and electron paramagnetic resonance. The reflectivity of the system gets modulated by the coherent charge fluctuation of the condensate. A resonance at the Mott scale allows to identify a high-energy excitation which is coupled to the superconducting quasiparticles.
- Publication
European Physical Journal: Special Topics, 2013, Vol 222, Issue 5, p1223
- ISSN
1951-6355
- Publication type
Article
- DOI
10.1140/epjst/e2013-01917-9