New Journal of Physics
New Journal of Physics
5 years ago

Energy of N two-dimensional bosons with zero-range interactions

Energy of N two-dimensional bosons with zero-range interactions
We derive an integral equation describing N two-dimensional bosons with zero-range interactions and solve it for the ground state energy B N by applying a stochastic diffusion Monte Carlo scheme for up to 26 particles. We confirm and go beyond the scaling B N ∝ 8.567 N predicted by Hammer and Son (2004 Phys. Rev. Lett. 93 250408) in the large- N limit.

Publisher URL: http://iopscience.iop.org/1367-2630/20/2/023045

DOI: 10.1088/1367-2630/aaa64f

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