Local chiral effective field theory interactions and quantum Monte Carlo applications. Gezerlis, A., Tews, I., Epelbaum, E., Freunek, M., Gandolfi, S., Hebeler, K., Nogga, A., & Schwenk, A. Physical Review C - Nuclear Physics, 2014. doi abstract bibtex We present details of the derivation of local chiral effective field theory interactions to next-to-next-to-leading order and show results for nucleon-nucleon phase shifts and deuteron properties for these potentials. We then perform systematic auxiliary-field diffusion Monte Carlo calculations for neutron matter based on the developed local chiral potentials at different orders. This includes studies of the effects of the spectral-function regularization and of the local regulators. For all orders, we compare the quantum Monte Carlo results with perturbative many-body calculations and find excellent agreement for low cutoffs.
@article{Gezerlis2014,
abstract = {We present details of the derivation of local chiral effective field theory interactions to next-to-next-to-leading order and show results for nucleon-nucleon phase shifts and deuteron properties for these potentials. We then perform systematic auxiliary-field diffusion Monte Carlo calculations for neutron matter based on the developed local chiral potentials at different orders. This includes studies of the effects of the spectral-function regularization and of the local regulators. For all orders, we compare the quantum Monte Carlo results with perturbative many-body calculations and find excellent agreement for low cutoffs.},
author = {Gezerlis, A. and Tews, I. and Epelbaum, E. and Freunek, M. and Gandolfi, S. and Hebeler, K. and Nogga, A. and Schwenk, A.},
doi = {10.1103/PhysRevC.90.054323},
issn = {1089490X},
journal = {Physical Review C - Nuclear Physics},
number = {5},
title = {{Local chiral effective field theory interactions and quantum Monte Carlo applications}},
volume = {90},
year = {2014}
}
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