On Thirring's two-dimensional model
Technical Report
·
OSTI ID:4310841
The diagram with four external lines in a two-dimensional nonlinear fermion theory, analogous to Thirring's model, is calculated to the second order of perturbation theory. It is shown that the corresponding S matrix element contains no ultraviolet divergences and that the coupling constant is not subject to renormalization. An improved expression for the matrix element for the scattering of two particles is obtained by means of the renormalization group method and is very similar to the corresponding exact result of Thirring. (auth)
- Research Organization:
- Joint Inst. for Nuclear Research, Moscow (USSR). Lab. of Theoretical Physics
- NSA Number:
- NSA-12-014363
- OSTI ID:
- 4310841
- Report Number(s):
- NP--6860
- Country of Publication:
- JINR
- Language:
- English
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