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cond-mat.str-el2015★ 23 cited
Phonon spectral function of the one-dimensional Holstein-Hubbard model
Manuel Weber, Fakher F. Assaad, Martin Hohenadler
We use the continuous-time interaction expansion (CT-INT) quantum Monte Carlo method to calculate the phonon spectral function of the one-dimensional Holstein-Hubbard model at half…
cond-mat.str-el2015★ 43 cited
Excitation spectra and correlation functions of quantum Su-Schrieffer-Heeger models
Manuel Weber, Fakher F. Assaad, Martin Hohenadler
We study one-dimensional Su-Schrieffer-Heeger (SSH) models with quantum phonons using a continuous-time quantum Monte Carlo method. Within statistical errors, we obtain identical r…