Two-loop Correction to the Instanton Density for the Double Well Potential

Details Two-loop Correction to the Instanton Density for the Double Well Potential Two-loop Correction to the Instanton Density for the Double Well Potential

1994-02-15

arxiv.org/abs/hep-ph/9402287v1

Phys.Lett. B333 (1994) 467-470

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1016/0370-2693(94)90169-4

Feynman diagrams in the instanton background are used for the calculation of
the tunneling amplitude, up to the two-loops order. Some mistakes made in the
previous works are corrected. The same method is applied to the next-order
corrections to the ground state wave function.

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