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Article overview
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Incorporating exact two-body propagators for zero-range interactions into $N$-body Monte Carlo simulations | Yangqian Yan
; D. Blume
; | Date: |
1 Aug 2015 | Abstract: | Ultracold atomic gases are, to a very good approximation, described by
pairwise zero-range interactions. This paper demonstrates that $N$-body systems
with two-body zero-range interactions can be treated reliably and efficiently
by the finite temperature and ground state path integral Monte Carlo
approaches, using the exact two-body propagator for zero-range interactions in
the pair product approximation. Harmonically trapped one- and three-dimensional
systems are considered. A new propagator for the harmonically trapped two-body
system with infinitely strong zero-range interaction, which may also have
applications in real time evolution schemes, is presented. | Source: | arXiv, 1508.0075 | Services: | Forum | Review | PDF | Favorites |
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