Competing Ground States of the New Class of Halogen-Bridged Metal Complexes
arXiv:cond-mat/9912212 · doi:10.1143/JPSJ.69.13
Abstract
Based on a symmetry argument, we study the ground-state properties of halogen-bridged binuclear metal chain complexes. We systematically derive commensurate density-wave solutions from a relevant two-band Peierls-Hubbard model and numerically draw the the ground-state phase diagram as a function of electron-electron correlations, electron-phonon interactions, and doping concentration within the Hartree-Fock approximation. The competition between two types of charge-density-wave states, which has recently been reported experimentally, is indeed demonstrated.
4 pages, 5 figures embedded, to appear in J. Phys. Soc. Jpn
References in corpus (3)
Cited by in corpus (8)
- Characterization of halogen-bridged binuclear metal complexes as hybridized two-band materials
- Pressure-induced phase transitions of halogen-bridged binuclear metal complexes R_4[Pt_2(P_2O_5H_2)_4X]nH_2O
- Nonlinear lattice relaxation of photoexcited diplatinum-halide chain compounds
- Competing ground states of metal-halide ladders
- Soliton-induced optical absorption of halogen-bridged mixed-valence binuclear metal complexes
- Magnetic and charge structures in itinerant-electron magnets: Coexistence of multiple SDW and CDW
- Photoinduced Absorption Spectra of Halogen-Bridged Binuclear Metal Complexes: Possible Contrast between R_4_[Pt_2_(P_2_O_5_H_2_)_4_X]nH_2_O and Pt_2_(CH_3_CS_2_)_4_I
- Photoproduction of spin and charge carriers in halogen-bridged binuclear platinum chain complexes