Appendix A
Application of Fourier transform to
dipolar condensate
For the purpose of numerical calculation, it is convenient to define FT as (the engineering
standard)
<À(f) = W(r)] = ʃ drψ(r)e-2πxr
(A.1)
then, the inverse FT takes the form
m = !F-1[<A(f)]= ^(f>Mr,
(A.2)
where we have used the relations
6zfe-2τr1f.(r-r') = δ(χ _ ɪ,ɔ
The convolution can be easily calculated as
Jr,V(r-r')≠(r') = F^1 [V(f)≠(f)].
(A3)
(A.4)
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