Finite temperature spectral function of Mott insulators and charge density wave states.

Finite temperature spectral function of Mott insulators and charge density wave states.

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We calculate the low-temperature spectral function of one-dimensional incommensurate charge density wave states and half filled Mott insulators. At T=0 there are two dispersing features associated with the spin and charge degrees of freedom, respectively. We show that already at very low temperature...

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Những tác giả chính: Essler, F, Tsvelik, A
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: 2003
Miêu tả
Tóm tắt:We calculate the low-temperature spectral function of one-dimensional incommensurate charge density wave states and half filled Mott insulators. At T=0 there are two dispersing features associated with the spin and charge degrees of freedom, respectively. We show that already at very low temperatures (compared to the gap) one of these features gets severely damped. We comment on implications of this result for photoemission experiments.

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