Theory of coexisting charge- and spin-density waves in (TMTTF)2Br, (TMTSF)2PF6and α-(BEDT-TTF)2MHg(SCN)4

S. Mazumdar; S. Ramasesha; R. Torsten Clay; David K. Campbell

doi:10.1103/PhysRevLett.82.1522

Theory of coexisting charge- and spin-density waves in (TMTTF)₂Br, (TMTSF)₂PF₆and α-(BEDT-TTF)₂MHg(SCN)₄

S. Mazumdar, S. Ramasesha, R. Torsten Clay, David K. Campbell

Research output: Contribution to journal › Article › peer-review

96 Scopus citations

Abstract

Recent experiments indicate that the spin-density waves (SDWs) in (TMTTF)₂Br, (TMTSF)₂PF₆and α-(BEDT-TTF)₂MHg(SCN)₄are highly unconventional and coexist with charge-density waves (CDWs). We present a microscopic theory of this unusual CDW-SDW coexistence. A complete understanding requires the explicit inclusion of strong Coulomb interactions, lattice discreteness, the anisotropic two-dimensional nature of the lattice, and the correct band filling within the starting Hamiltonian.

Original language	English (US)
Pages (from-to)	1522-1525
Number of pages	4
Journal	Physical review letters
Volume	82
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevLett.82.1522
State	Published - 1999

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title = "Theory of coexisting charge- and spin-density waves in (TMTTF)2Br, (TMTSF)2PF6and α-(BEDT-TTF)2MHg(SCN)4",

abstract = "Recent experiments indicate that the spin-density waves (SDWs) in (TMTTF)2Br, (TMTSF)2PF6and α-(BEDT-TTF)2MHg(SCN)4are highly unconventional and coexist with charge-density waves (CDWs). We present a microscopic theory of this unusual CDW-SDW coexistence. A complete understanding requires the explicit inclusion of strong Coulomb interactions, lattice discreteness, the anisotropic two-dimensional nature of the lattice, and the correct band filling within the starting Hamiltonian.",

author = "S. Mazumdar and S. Ramasesha and Clay, \{R. Torsten\} and Campbell, \{David K.\}",

note = "Funding Information: This work was supported in part by the U.S. NSF-DMR-97-12765 and numerical calculations were done at NCSA.",

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T1 - Theory of coexisting charge- and spin-density waves in (TMTTF)2Br, (TMTSF)2PF6and α-(BEDT-TTF)2MHg(SCN)4

AU - Mazumdar, S.

AU - Ramasesha, S.

AU - Clay, R. Torsten

AU - Campbell, David K.

N1 - Funding Information: This work was supported in part by the U.S. NSF-DMR-97-12765 and numerical calculations were done at NCSA.

PY - 1999

Y1 - 1999

N2 - Recent experiments indicate that the spin-density waves (SDWs) in (TMTTF)2Br, (TMTSF)2PF6and α-(BEDT-TTF)2MHg(SCN)4are highly unconventional and coexist with charge-density waves (CDWs). We present a microscopic theory of this unusual CDW-SDW coexistence. A complete understanding requires the explicit inclusion of strong Coulomb interactions, lattice discreteness, the anisotropic two-dimensional nature of the lattice, and the correct band filling within the starting Hamiltonian.

AB - Recent experiments indicate that the spin-density waves (SDWs) in (TMTTF)2Br, (TMTSF)2PF6and α-(BEDT-TTF)2MHg(SCN)4are highly unconventional and coexist with charge-density waves (CDWs). We present a microscopic theory of this unusual CDW-SDW coexistence. A complete understanding requires the explicit inclusion of strong Coulomb interactions, lattice discreteness, the anisotropic two-dimensional nature of the lattice, and the correct band filling within the starting Hamiltonian.

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Theory of coexisting charge- and spin-density waves in (TMTTF)₂Br, (TMTSF)₂PF₆and α-(BEDT-TTF)₂MHg(SCN)₄

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