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Lecture
Instanton Pre-factor: Interaction with Electromagnetic Field
Description
This lecture covers the derivation of the instanton pre-factor and its interaction with an external electromagnetic field, focusing on the double well potential, dilute instanton gas approximation, and nonperturbative energy splitting. The instructor explains the avoidance of multi-instantons, twisted partition functions, and path integral representations. The lecture concludes with examples demonstrating the energy splitting and potential functions.
Official source
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