Mid infrared excitations in cuprates
โ Scribed by J. Lorenzana
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 214 KB
- Volume
- 206-207
- Category
- Article
- ISSN
- 0921-4526
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๐ SIMILAR VOLUMES
The short wavelength behavior of spin excitations has been investigated by means of 2-magnon Raman spectroscopy in YBa2Cu306+ x , La2CuO4, and Nd2CuO 4. The resonance behavior indicates a scattering mechanism via a Cu-3d O-2p charge tran.qfer excitation. In the undoped material the temperature depen
We consider the magnetic properties of high T c cuprates from a gauge theory point of view, with emphasis on the underdoped regime. Underdoped cuprates possess certain antiferromagnetic correlations, as evidenced, for example, by different temperature dependence of the Cu and O site NMR relaxation r