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Lecture
Are you an EPFL student looking for a semester project?
Work with us on data science and visualisation projects, and deploy your project as an app on top of Graph Search.
This lecture covers the derivation of the instanton pre-factor and the general formula for non-perturbative energy splitting in arbitrary symmetric potentials with degenerate minima, illustrated with examples. The discussion includes the concept of saddle points, the double well potential, dilute instanton gas approximation, and the twisted partition function. The lecture concludes with exercises demonstrating the simplification of expressions and the application of classical quantities to fully express energy splitting.