Title Heuristic treatments of tricritical behaviour as observed in $^{4}He-^{3}He$ mixtures and in polymeric assembliesHeuristic treatments of tricritical behaviour as observed in $^{4}He-^{3}He$ mixtures and in polymeric assemblies Author March, N.H. Zhang, Z.D. Faculty/Department Faculty of Sciences. Physics Research group Department of Physics Publication type article Publication 2010London, 2010 Subject Physics Source (journal) Physics and chemistry of liquids. - London Volume/pages 48(2010):2, p. 279-284 ISSN 0031-9104 ISI 000277647300010 Carrier E Target language English (eng) Full text (Publishers DOI) Affiliation University of Antwerp Abstract Tricritical behaviour in three dimensions is accessible to experiment in, for example, 4He-3He mixtures and some polymeric assemblies. Here, by largely heuristic arguments, which appeal however to some specific model Hamiltonians, we indicate how one can understand the gist of the experimental results near the tricritical point in the systems cited above. We point out that the spin fluctuations at the tricritical point are much weaker than those at the critical point, which leads to the conclusion that the tricritical behaviours can be described well by the mean-field exponents with logarithmic corrections, at d = 3. E-info http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000277647300010&DestLinkType=RelatedRecords&DestApp=ALL_WOS&UsrCustomerID=ef845e08c439e550330acc77c7d2d848 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000277647300010&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=ef845e08c439e550330acc77c7d2d848 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000277647300010&DestLinkType=CitingArticles&DestApp=ALL_WOS&UsrCustomerID=ef845e08c439e550330acc77c7d2d848 Handle