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

Autor: B Bazak, D S Petrov
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: New Journal of Physics, Vol 20, Iss 2, p 023045 (2018)
Druh dokumentu: article
ISSN: 1367-2630
DOI: 10.1088/1367-2630/aaa64f
Popis: 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.
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