Liquid He-4 and its superfluidity

Griffiths, O. J. and Hendry, P. C. and McClintock, Peter V. E. and Nichol, H. A. (2003) Liquid He-4 and its superfluidity. In: Patterns of symmetry breaking. NATO Science, Series II: Mathematics, Physics and Chemistry . Springer, Dordrecht, pp. 37-82. ISBN 1402017448

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The properties of liquid 4He, and the present understanding of its superuidity, are reviewed. Brief accounts are given of its main physical properties, the 2-fluid model, the Landau excitation model, quantized vortex lines, and critical velocities and their origins. Two experiments in progress on vortex creation and decay are discussed in more detail: an attempt to carry out Zurek's experiment, using the superuid transition to model the GUT symmetry-breaking transition of the early universe; and an exploratory investigation of quantized turbulence in the mechanical vacuum below 50 mK.

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Contribution in Book/Report/Proceedings
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Proceedings of Conference, the NATO-Advanced-Study Institute on Patterns of Symmetry Breaking Cracow, Poland, September 15-29, 2002.
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Deposited On:
25 Jan 2010 14:08
Last Modified:
21 Nov 2022 13:37