Lambda transition

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The λ (lambda) universality class is a group in condensed matter physics. It regroups several systems possessing strong analogies, namely, superfluids, superconductors and smectics (liquid crystals). All these systems are expected to belong to the same universality class for the thermodynamic critical properties of the phase transition. While these systems are quite different at the first glance, they all are described by similar formalisms and their typical phase diagrams are identical.

See also[edit]



  • Chaikin P. M. and Lubensky T. C. Principles of Condensed Matter Physics (Cambridge University Press, Cambridge) 1995, sect.9.
  • Feynman R. P. Progress in Low Temperature Physics Vol.1, edited by C. Gorter (North Holland, Amsterdam) 1955.

Journal articles[edit]

  • Helfrich W. J. Phys. (Paris) 39 (1978) 1199.
  • Nelson D. R. and Toner J. Phys. Rev. B 24 (1981) 363.
  • Dagupta C. and Halperin B. I. Phys. Rev. Lett.47 (1981) 1556.
  • Williams G. A. Phys. Rev. Lett. 59 (1987) 1926.
  • Onsager L. Nuovo Cimento Suppl. 6 (1949) 279.
  • de Gennes P.-G. Sol. State Commun. 10 (1972) 753.
  • Abrikosov A. A. Zh. Eksp. Teor. Fiz. 32 (1957) 1442.
  • Abrikosov A. A. Sov. Phys. JETP 5 (1957) 1174.
  • Renn S. and Lubensky T. C. Phys. Rev. A 38 (1988) 2132.