TY - RPRT TI - Vortex Excitation in Superfluid 4He: A Diffusion Monte Carlo Study. AU - S Giorgini AU - J Boronat AU - J Casulleras PY - 1996 DO - 10.1103/physrevlett.77.2754 UR - https://pubmed.ncbi.nlm.nih.gov/10062037/ ID - 10062037 ER -