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1N-expanded ϕ2X model. I. Phase transition

✍ Scribed by V.K Dobrev; B.L Markovski


Book ID
102631186
Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
421 KB
Volume
134
Category
Article
ISSN
0003-4916

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✦ Synopsis


We consider the @x model in a l/ 4; expansion in six-dimensional Euclidean spacetime. Using the path-integral formalism and the method of stationary phase we show the existence of two phases in the model: with broken U(N) symmetry and with O(N) maintained. In both phases the massless q fields acquire masses.-Expressions for the masses including l/dN order are given.


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