Levinson's theorem for the Klein-Gordon equation.
نویسندگان
چکیده
The two-dimensional Levinson theorem for the Klein-Gordon equation with a cylindrically symmetric potential V (r) is established. It is shown that Nmπ = π (nm − n−m) = [δm(M) + β1]− [δm(−M) + β2] ,where Nm denotes the difference between the number of bound states of the particle nm and the ones of antiparticle n−m with a fixed angular momentum m, and the δm is named phase shifts. The constants β1 and β2 are introduced to symbol the critical cases where the half bound states occur at E = ±M . PACS numbers: 03.65.Ge, 11.80.-m and 73.50.Bk. ∗Electronic address: [email protected]
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ورودعنوان ژورنال:
- Physical review. D, Particles and fields
دوره 34 2 شماره
صفحات -
تاریخ انتشار 1986