Spectroscopic evidences of quantum critical charge fluctuations in cuprates
arXiv:cond-mat/0611679 · doi:10.1016/j.physc.2007.03.371
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.
arXiv commentProceedings of M2S 2006. To appear in Physica C
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