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Speaker |
Lee, Wonwoo |
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Coauthors |
Lee, Bum-Hoon; Ro, Daeho; Yeom, Dong-han |
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Tunneling without a barior : Fubini instantons in curved space |
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Abstract |
We study Fubini instantons of a self-gravitating scalar field. The Fubini instanton describes the decay of a vacuum state under tunneling instead of rolling in the presence of a tachyonic potential. The tunneling occurs from the maximum of the potential, which is a vacuum state, to any arbitrary state, belonging to the tunneling without a barrier. We numerically evaluate semiclassical exponents which give the finite tunneling probabilities. |
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Talk view |
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