島根大学総合理工学研究科

ISSN:13427113

Use this link to cite this item : http://ir.lib.shimane-u.ac.jp/3659

Memoirs of the Graduate School of Science and Engineering Shimane University. Series A 33

1999-12-24 発行

The extended Bukhvostov Lrpatov model in the path-integral framework

Sakamoto, Jiro

Fukuoka, Yasuaki

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In the path-integral framework we study a massive Thirring-like model in 2-dimensional space-time, which contains fermions with arbitrary number (N) of different species. This model is an extension of that of a previous paper (the Bukhvostov-Lipatov model), where we have considered two-species case. By this extensron we expect that we can expose more general structures of this kind of model. We obtain the equivalent boson model with N species to our fermion model by mass perturbation expansion. We see that the boson Lagrangian corresponds with the one which is directly obtained from the original fermion Lagrangian by Coleman's correspondences of free fermion bilinear operators with boson fields.

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AA11157087

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