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Solitonic bubbles and phase transitions
Phys. Rev. D 41, 3263 – Published 15 May, 1990
DOI: https://doi.org/10.1103/PhysRevD.41.3263
Abstract
It is shown that the nontopological bubble-shaped classical solutions which are possible in a scalar field theory with quartic and sextic self-interactions in 1 + 1 dimensions are responsible for the discontinuous transition in the quantum problem between a phase with a degenerate excited level and a disordered one.
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