One-loop effective action for the gauge field in curved space-time |
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Authors: | V Ch Zhukovskii I V Mamsurov |
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Institution: | (1) Moscow State University, Moscow, Russia |
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Abstract: | We consider the one-loop contribution of gluon fluctuations to the gauge-field effective action in a constant homogenous Abelian-like
external (background) field in a space with nonzero curvature. We calculate the real and imaginary parts of the effective
action and show that the chromomagnetic vacuum remains unstable in spite of the finite curvature of the space.
Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 117, No. 1, pp. 123–129, October, 1998. |
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