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Title
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Liquid-vapour critical point behaviour: especially crossover from two to three dimensions via a magnetic analogy
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Author
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Abstract
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| Motivation for this Letter comes from two experiments. The first, by Kim and Chan (Phys. Rev. Lett. 53, 170 (1984)), measured a two-dimensional (2D) liquid-vapour critical point exponent. The second studied, via the magnetism of ultrathin metal films, the crossover of the critical exponent β from 2D to 3D. Here, the analogy between magnetic behaviour near criticality and the corresponding liquid-vapour behaviour is first used to discuss the 2D-3D crossover in the latter case. Finally, the experimentally observed magnetic behaviour near criticality is considered for the ferromagnet CrBr3 to allow fingerprints of the 3D Ising Hamiltonian to be anticipated. |
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Language
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English
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Source (journal)
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Physics and chemistry of liquids. - London
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Publication
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London
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2009
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ISSN
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0031-9104
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Volume/pages
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47
:6
(2009)
, p. 693-697
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ISI
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000273047400011
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Full text (Publisher's DOI)
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