Quasiparticle broadening in insulating copper oxides

M. Fleck; J. van den Brink; A. I. Lichtenstein; A.M. Oles ́; Lars Hedin

doi:10.1016/S0921-4526(98)00822-9

Quasiparticle broadening in insulating copper oxides

M. Fleck, J. van den Brink, A. I. Lichtenstein, A.M. Oles ́, Lars Hedin

Matematisk fysik

Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

Sammanfattning

We calculate the spectral function of the half-filled two-dimensional Hubbard model with realistic hopping integrals for Sr2CuO2Cl2 within the dynamical mean-field theory at finite temperatures. It is shown that precursor effects of incommensurate spin dynamics lead to an incoherent broadening of the quasiparticle peaks on an energy scale that depends on local spin order. This might serve as an indirect method of detecting changes of local spin order under doping.

Originalspråk	engelska
Sidor (från-till)	729-731
Tidskrift	Physica B
Volym	259-261
DOI	https://doi.org/10.1016/S0921-4526(98)00822-9
Status	Published - 1999

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doi:10.1016/S0921-4526(98)00822-9

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10.1016/S0921-4526(98)00822-9

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title = "Quasiparticle broadening in insulating copper oxides",

abstract = "We calculate the spectral function of the half-filled two-dimensional Hubbard model with realistic hopping integrals for Sr2CuO2Cl2 within the dynamical mean-field theory at finite temperatures. It is shown that precursor effects of incommensurate spin dynamics lead to an incoherent broadening of the quasiparticle peaks on an energy scale that depends on local spin order. This might serve as an indirect method of detecting changes of local spin order under doping.",

author = "M. Fleck and {van den Brink}, J. and Lichtenstein, {A. I.} and {Oles{\' }}, A.M. and Lars Hedin",

note = "doi:10.1016/S0921-4526(98)00822-9",

year = "1999",

doi = "10.1016/S0921-4526(98)00822-9",

language = "English",

volume = "259-261",

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journal = "Physica B",

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TY - JOUR

T1 - Quasiparticle broadening in insulating copper oxides

AU - Fleck, M.

AU - van den Brink, J.

AU - Lichtenstein, A. I.

AU - Oles ́, A.M.

AU - Hedin, Lars

N1 - doi:10.1016/S0921-4526(98)00822-9

PY - 1999

Y1 - 1999

N2 - We calculate the spectral function of the half-filled two-dimensional Hubbard model with realistic hopping integrals for Sr2CuO2Cl2 within the dynamical mean-field theory at finite temperatures. It is shown that precursor effects of incommensurate spin dynamics lead to an incoherent broadening of the quasiparticle peaks on an energy scale that depends on local spin order. This might serve as an indirect method of detecting changes of local spin order under doping.

AB - We calculate the spectral function of the half-filled two-dimensional Hubbard model with realistic hopping integrals for Sr2CuO2Cl2 within the dynamical mean-field theory at finite temperatures. It is shown that precursor effects of incommensurate spin dynamics lead to an incoherent broadening of the quasiparticle peaks on an energy scale that depends on local spin order. This might serve as an indirect method of detecting changes of local spin order under doping.

U2 - 10.1016/S0921-4526(98)00822-9

DO - 10.1016/S0921-4526(98)00822-9

M3 - Article

VL - 259-261

SP - 729

EP - 731

JO - Physica B

JF - Physica B

ER -

Quasiparticle broadening in insulating copper oxides

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