Instantonic methods for quantum tunneling in finite size
The instantonic approach for a 4 model potential is reexamined in the asymptotic limit. The path integral of the system is derived in semiclassical approximation expanding the action around the classical background. It is shown that the singularity in the path integral, arising from the zero mode in...
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| Publié dans: | Brazilian Journal of Physics |
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| Auteur principal: | |
| Format: | Artigo |
| Langue: | Inglês |
| Publié: |
Sociedade Brasileira de Física
2009
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| Sujets: | |
| Accès en ligne: | https://www.redalyc.org/articulo.oa?id=46413564006 |
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