In quantum mechanics, the double-well potential is one of a number of quartic potentials for the exploration of various physical phenomena or mathematical properties since it permits in many cases explicit calculation without over-simplification. Specifically symmetric double-well potential serves as a model to illustrate the concept of instantons as a pseudo-classical configuration in a Euclidean field theory.
In quantum mechanics, the double-well potential is one of a number of quartic potentials for the exploration of various physical phenomena or mathematical properties since it permits in many cases explicit calculation without over-simplification. Specifically symmetric double-well potential serves as a model to illustrate the concept of instantons as a pseudo-classical configuration in a Euclidean field theory.
Source: Wikipedia "Double-well potential" · CC BY-SA 4.0
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