2002
DOI: 10.1103/physrevb.65.180512
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Character of charge transfer excitons inSr2CuO2Cl2

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Cited by 47 publications
(44 citation statements)
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“…The theoretical first principles calculations using local spin density approximation (LSDA + U) are performed for correspond to Table 1. Note that these parameters are matched with our experimental results and are consistent to those reported by previous papers [15,24].…”
Section: Fittingsupporting
confidence: 82%
“…The theoretical first principles calculations using local spin density approximation (LSDA + U) are performed for correspond to Table 1. Note that these parameters are matched with our experimental results and are consistent to those reported by previous papers [15,24].…”
Section: Fittingsupporting
confidence: 82%
“…In their EELS study of Sr 2 CuO 2 Cl 2 , Moskvin et al 49 identify many charge-transfer excitations, three of which have A 1g symmetry and should be RIXS active. The two strongest excitations are around 8 eV, but do not have obvious RIXS equivalents.…”
Section: Discussionmentioning
confidence: 99%
“…In the former the gap is formed by the transition between the lower and upper Hubbard bands (U < ∆), while in the latter it is formed by the CT transitions between upper filled ligand and upper Hubbard bands (U > ∆). Actually in both cases we deal with CT transitions, however, in terms of a classification introduced by A. Moskvin et al 22,23 these correspond to two-center (d 1 -d 2 -) and one-center (pd-) CT excitons, respectively. Usually one considers that the gap is of CT p-d type (U > ∆) for heavier transition metals (Cu, Ni, ...), while it is of d-d type (U < ∆) for the light transition metals (Ti, V, ...).…”
Section: E Some Features Of Ct Transitions In Strongly Coupled Cornementioning
confidence: 99%