15 февр. 2024 г. · We derive analytically the full one-loop vacuum energy for a scalar field tunnelling between two degenerate vacua, taking into account discrete momentum.

2.2 System in a double-well potential: Instanton calculation ... a double well potential, the simplest system for which the instanton method is applicable.

Instantons and the double-well potential. Let's consider a problem. नत. L= 글. (λ small). 2. X quantum mechanical double well. + μ²x. 4. 2. W. Classically there ...

The so-called double-well potential is one of a number of quartic potentials of considerable interest in quantum mechanics, in quantum field theory and ... The symmetric double-well · The inverted double-well...

9 мая 2024 г. · The Casimir energy is computed for an arbitrary number of dimensions using the Abel-Plana formula, while the one-loop instanton functional ...

26 мар. 2024 г. · Abstract:A prime example of quantum tunnelling is the semiclassical 'energy splitting' of the levels of a symmetrical double well potential, ...

A new instanton solution is found in the quantum-mechanical double-well potential with a four-fermion term. The solution has finite action and depends on ...

Lecture XIII: Double Well Potential: Tunneling and Instantons. How can phenomena of QM tunneling be described by Feynman path integral? No semi-classical ...

22 окт. 2024 г. · The Casimir energy is computed for an arbitrary number of dimensions using the Abel-Plana formula, while the one-loop instanton functional ...

9 мая 2024 г. · The Casimir energy is computed for an arbitrary number of dimensions using the Abel-Plana formula, while the one-loop instanton functional ...