Please use this identifier to cite or link to this item: http://hdl.handle.net/10995/111314
Title: Static and Dynamic Charge Inhomogeneity and Crystal-field Fluctuations for 4f Ions in High-Jc Cuprates
Authors: Moskvin, A. S.
Panov, Yu. D.
Mel'Nikova, N. V.
Issue Date: 2004
Publisher: Pleiades Publishing Ltd
Citation: Moskvin A. S. Static and Dynamic Charge Inhomogeneity and Crystal-field Fluctuations for 4f Ions in High-Jc Cuprates / A. S. Moskvin, Yu. D. Panov, N. V. Mel'Nikova. — DOI 10.1016/j.tet.2021.132376 // Journal of Experimental and Theoretical Physics. — 2004. — Vol. 99. — Iss. 5. — P. 1108-1116.
Abstract: The main mechanism in homogeneous broadening and relaxation of crystal-field excitations for R-ions in cuprates is believed to be provided by the fluctuations of crystalline electric field induced by a static and dynamic charge inhomogeneity generic to doped cuprates. Such an inhomogeneity is assumed to be the result of topological phase separation. We address the generalized granular model as one of the model scenarios for describing the static and dynamic charge inhomogeneity in cuprates. The charge subsystem is believed to be similar to that of a Wigner crystal with melting transition and phononlike positional excitation modes. We consider a simple model of charge inhomogeneity that allows us to elucidate the main universal features of the density of CF states and the respective inhomogeneous broadening. The formal description of R-ion relaxation mainly coincides with that of the recently suggested magnetoelastic mechanism by Lovesey and Staub. © 2004 MAIK "Nauka/Interperiodica".
Keywords: ELECTRIC FIELD EFFECTS
MATHEMATICAL MODELS
OXIDE SUPERCONDUCTORS
PHASE SEPARATION
PHONONS
SEMICONDUCTOR DOPING
DYNAMIC CHARGE INHOMOGENEITY
R-ION RELAXATION
WIGNER CRYSTALS
IONS
URI: http://hdl.handle.net/10995/111314
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 21844478543
ISSN: 1063-7761
DOI: 10.1016/j.tet.2021.132376
metadata.dc.description.sponsorship: ACKNOWLEDGMENTS This paper was supported in part by INTAS (grant no. 01-0654), the CRDF (grant no. REC-005), RME (grant nos. 02.-3.4-392 and UR.01.01.062), and the Russian Foundation for Basic Research (project no. 04-02-96077). A. S. M. has benefited from stimulating discussions with A. T. Boothroyd, A. Mirmel-stein, and J. Mesot.
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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