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A New Mechanism for Bubble Nucleation: Classical Transitions

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arxiv 0907.3234 v1 pith:WR3S35NY submitted 2009-07-19 hep-th astro-ph.COgr-qc

A New Mechanism for Bubble Nucleation: Classical Transitions

classification hep-th astro-ph.COgr-qc
keywords bubblesbubbleclassicalenergyfieldkineticminimanucleation
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Given a scalar field with metastable minima, bubbles nucleate quantum mechanically. When bubbles collide, energy stored in the bubble walls is converted into kinetic energy of the field. This kinetic energy can facilitate the classical nucleation of new bubbles in minima that lie below those of the "parent" bubbles. This process is efficient and classical, and changes the dynamics and statistics of bubble formation in models with multiple vacua, relative to that derived from quantum tunneling.

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