Quantum Monte Carlo estimation of complex-time correlations for the study of the ground-state dynamic structure function

We present a method based on the path integral Monte Carlo formalism for the calculation of ground-state time correlation functions in quantum systems. The key point of the method is the consideration of time as a complex variable whose phase δ acts as an adjustable parameter. By using high-order ap...

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Vydané v:	The Journal of chemical physics Ročník 142; číslo 11; s. 114114
Hlavní autori:	Rota, R, Casulleras, J, Mazzanti, F, Boronat, J
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	United States 21.03.2015
ISSN:	1089-7690
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