|Publication type:||Article in scientific journal|
|Type of review:||Peer review (publication)|
|Title:||Raman scattering versus infrared conductivity : evidence for one-dimensional conduction in La(2-x)Sr(x)CuO(4)|
|Authors :||Venturini, Francesca|
Zhang, Q. -M.
|Published in :||Physical Review B|
|Publisher / Ed. Institution :||American Physical Society|
|Subjects :||Physics; Raman scattering; Strongly correlated electron; Superconductivity|
|Subject (DDC) :||530: Physics|
|Abstract:||Raman and infrared (IR) spectra of an underdoped La_1.90Sr_0.10CuO4 single crystal have been measured as a function of temperature. Both techniques provide unconventional low-energy spectra. The IR conductivity exhibits features peaked at finite frequencies which do not have a counterpart in the Raman response. Below approximately 100 K a transfer of both Raman and IR spectral weight towards lower energies is found and a new component in the Raman response builds up being characterized by a very long lifetime of electrons propagating along the Cu-O bonds.|
|Fulltext version :||Published version|
|License (according to publishing contract) :||Licence according to publishing contract|
|Departement:||School of Engineering|
|Organisational Unit:||Institute of Applied Mathematics and Physics (IAMP)|
|Appears in Collections:||Publikationen School of Engineering|
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