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Publication . Article . 1982

Supercooled phase transitions in the very early universe

Stephen W. Hawking; Ian G. Moss;
Open Access
Published: 01 Mar 1982 Journal: Physics Letters B, volume 110, pages 35-38 (issn: 0370-2693, Copyright policy )
Publisher: Elsevier BV
The universe might have had a prolonged exponentially expanding phase caused by its being stuck in a metastable state of the grand unified phase transition. The only way that it could exit from this exponential expansion without introducing too much inhomogeneity or spatial curvature would be through a homogeneous “bubble” solution in which quantum tunnelling occured everywhere at the same time. This would produce more baryons than the conventional scenarios.
Subjects by Vocabulary

Microsoft Academic Graph classification: Phase transition Supercooling Curvature Baryon Quantum mechanics Metastability Universe media_common.quotation_subject media_common Phase (matter) Physics Quantum tunnelling


Nuclear and High Energy Physics

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