A novel way of calculating scattering integrals
- URL: http://arxiv.org/abs/2301.04082v1
- Date: Tue, 10 Jan 2023 17:14:34 GMT
- Title: A novel way of calculating scattering integrals
- Authors: Alfredo Takashi Suzuki and Timothy Suzuki
- Abstract summary: The technique coined as NDIM - Negative Dimensional Integration Method by their discoverers, relies on a three-pronged basis: Gaussian integration, series expansion and analytic continuation.
We show how this technique can be applied to tackle certain improper integrals and give an example of a particular improper integral that appears in quantum mechanical scattering process.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: The technique coined as NDIM - Negative Dimensional Integration Method by
their discoverers, relies on a three-pronged basis: Gaussian integration,
series expansion and analytic continuation. The technique has been successfully
applied to the calculation of covariant and non covariant Feynman integrals in
a generic dimensional regularization space, i.e., D-dimensional space-time for
D including the negative domain values. Since the dimensionality is general, we
can use specifically for one-dimensional integrals. In this work we show how
this technique can be applied to tackle certain improper integrals and give an
example of a particular improper integral that appears in quantum mechanical
scattering process. Traditionally, improper integrals are ascribed certain
values through the limiting approach or as is known, by the Cauchy principal
value via residues concept technique. Here we use the NDIM approach to do the
calculations and show it works fine for the improper integrals. This novel
approach we believe is more straightforward and does not require to handle
poles, residues, or difficult closed contours as in the traditional approach.
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