The one-loop effective action in φ4 theory coupled non-linearly with the power of the curvature and the dynamical origin of the cosmological constant
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概要
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The functional formulation and one-loop effective action for scalar self-interacting theory non-linearly coupled with some power of the curvature are studied. After the explicit one-loop renormalization at weak curvature, we investigated numerically the phase structure for such unusual φ4 theory. We demonstrate the possibility of curvature-induced phase transitions for positive values of the curvature power, while for negative values the radiative symmetry breaking does not take place. The dynamical mechanism for the explanation of the current smallness of the cosmological constant is presented for several models from the class of theories under consideration.
- IOP Publishing Ltdの論文
IOP Publishing Ltd | 論文
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- The one-loop effective action in φ4 theory coupled non-linearly with the power of the curvature and the dynamical origin of the cosmological constant