On the one-loop correction of "phi^4" theory in higher dimensions

Details On the one-loop correction of "phi^4" theory in higher dimensions On the one-loop correction of "phi^4" theory in higher dimensions

2006-03-09

arxiv.org/abs/hep-th/0603072v2

Int.J.Mod.Phys.A22:5369-5377,2007

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, 5 figures. To appear in IJMPA

Scientific paper

10.1142/S0217751X07038086

We have considered phi^4 theory in higher dimensions. Using functional diagrammatic approach, we computed the one-loop correction to effective potential of the scalar field in five dimensions. It is shown that phi^4 theory can be regularised in five dimensions. Temperature dependent one-loop correction and critical temperature T_c are computed and T_c depends on the fundamental scale M of the theory. A brief discussion of symmetry restoration is also presented. The nature of phase transitions is examined and is of second order

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