N-boson energies at finite volume and three-boson interactions
We calculate the volume dependence of the ground-state energy of n identical bosons with short-range repulsive (or weakly attractive) interactions in a periodic spatial volume of side L, up to and including terms of order L(-6). With this result, Lattice-QCD calculations of the ground-state energies of three or more pions will allow for a systematic extraction of the three-pion interaction at this order in the volume expansion.
Physical Review D
AMERICAN PHYSICAL SOCIETY
Digital Object Identifier (DOI)
Beane, Silas R.; Detmold, William; and Savage, Martin J., "N-boson energies at finite volume and three-boson interactions" (2007). Physical Review D. 121.
© 2007 The American Physical Society