Comment on `Dimensional expansion for the delta-function potential'
R M Cavalcanti; R M Cavalcanti; Instituto de Física, Universidade de São Paulo, Cx. Postal 66318, 05315-970 São Paulo, SP, Brazil
Журнал:
European Journal of Physics
Дата:
1999-09-01
Аннотация:
I criticize the claim, made in a recent article (Bender C M and Mead L R 1999 Eur. J. Phys. 20 117-21) that, in order to obtain the correct cross section for the scattering from a two-dimensional delta-function potential, one must perform analytic continuation in the dimension of space.
49.74Кб