Healing length ξ is the lengthscale at which the kinetic energy ℏ²/(2mξ²) of a condensate density modulation equals the mean-field interaction energy n·g = n·4πℏ²a_s/m. Solving gives ξ = ℏ/√(2mng) = 1/√(8πna_s). Physical interpretation:…
Healing length ξ is the lengthscale at which the kinetic energy ℏ²/(2mξ²) of a condensate density modulation equals the mean-field interaction energy n·g = n·4πℏ²a_s/m. Solving gives ξ = ℏ/√(2mng) = 1/√(8πna_s). Physical interpretation:…