Balachandran, AP and Borchardt, S and Cahalan, R and Ramachandran, R and Rupertsberger, H and Chang, SS (1978) Analyticity of the charge-monopole scattering amplitude. In: Physical Review D, 17 (4). pp. 1150-1154.
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We study the analyticity in cosθ of the exact quantum-mechanical electric-charge-magnetic-monopole scattering amplitude by ascribing meaning to its formally divergent partial-wave expansion as the boundary value of an analytic function. This permits us to find an integral representation for the amplitude which displays its analytic structure. On the physical sheet we find only a branch-point singularity in the forward direction, while on each of the infinitely many unphysical sheets we find a logarithmic branch-point singularity in the backward direction as well as the same forward structure.
|Item Type:||Journal Article|
|Additional Information:||Copyright of this article belongs to The American Physical Society.|
|Department/Centre:||Division of Physical & Mathematical Sciences > Centre for Theoretical Studies|
|Date Deposited:||19 Oct 2009 09:06|
|Last Modified:||19 Sep 2010 05:49|
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