Charge kinks as Raman scatterers in quarter-filled ladders - art. no. 224305

Authors
Sherman, EY Ambrosch-Draxl, C Lemmens, P Guntherodt, G van Loosdrecht, PHM
Citation
Ey. Sherman et al., Charge kinks as Raman scatterers in quarter-filled ladders - art. no. 224305, PHYS REV B, 6322(22), 2001, pp. 4305
Citations number
36
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICAL REVIEW B
ISSN journal
01631829 → ACNP
Volume
6322
Issue
22
Year of publication
2001
Database
ISI
SICI code
0163-1829(20010601)6322:22<4305:CKARSI>2.0.ZU;2-O
Abstract
Charge kinks are considered as excitations in a quarter-filled charge-order ed ladder. The strength of the coupling of the kinks to the three-dimension al lattice depends on their energy. The integrated intensity of Raman scatt ering by the kink-antikink pairs is proportional to phi (5) or phi (4), whe re phi is the order parameter. The exponent is determined by the system par ameters and the strength of the electron-phonon coupling.