12,000

We have over 12,000 students, from over 100 countries, within one of the safest campuses in the UK

93%

93% of Lancaster students go into work or further study within six months of graduating

Home > Research > Publications & Outputs > Cosmological experiments in liquid helium.
View graph of relations

« Back

Cosmological experiments in liquid helium.

Research output: Contribution to journalJournal article

Published

Journal publication date1999
JournalNonlinear Phenomena in Complex Systems
Journal number4
Volume2
Number of pages10
Pages26-35
Original languageEnglish

Abstract

Fast passage through a continuous phase transition is expected to result in the creation of topical defects via the Kibble mechanism. Recent experiments involving the expansion of a small volume of liquid He-4 through the lambda (superfluid) transition, as a model of the GUT (grand unified theory) symmetry-breaking transition of the early universe, are discussed and set in context. Copious creation of quantized vortices, analogous to cosmic strings, is expected but not observed. The possibility of developing a more sensitive version of the experiment is considered.