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Spectroscopic evidences of quantum critical charge fluctuations in cuprates (Articolo in rivista)
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- Spectroscopic evidences of quantum critical charge fluctuations in cuprates (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Alternative label
Grilli, M; Caprara, S; Di Castro, C; Suppa, D (2007)
Spectroscopic evidences of quantum critical charge fluctuations in cuprates
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- Grilli, M; Caprara, S; Di Castro, C; Suppa, D (literal)
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- ISI Web of Science (WOS) (literal)
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- Univ Roma La Sapienza, Dipartimento Fis, SMC, Ist Nazl Fis Mat, I-00185 Rome, Italy (literal)
- Titolo
- Spectroscopic evidences of quantum critical charge fluctuations in cuprates (literal)
- Abstract
- We calculate the optical conductivity in a clean system of quasiparticles coupled to charge-ordering collective modes. The absorption induced by these modes may produce an anomalous frequency and temperature dependence of low-energy optical absorption in some cuprates. However, the coupling with lattice degrees of freedom introduces a non-universal energy scale leading to scaling violation in low-temperature optical conductivity. (c) 2007 Elsevier B.V. All rights reserved. (literal)
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