@article {Motta2014,
	title = {Imaginary time correlations and the phaseless auxiliary field quantum Monte Carlo},
	journal = {Journal of Chemical Physics},
	volume = {140},
	number = {2},
	year = {2014},
	month = {jan},
	pages = {024107},
	doi = {10.1063/1.4861227},
	author = {Motta, M. and Galli, D. E. and Moroni, S. and Vitali, E.}
}
