Functional Renormalization Group and the λ Transition in ⁴He: Proceedings of the Symposium on Quantum Fluids and Solids, QFS2003

Author： Weyrauch M. Szwabi´nski J.

Publisher： Springer Publishing Company

ISSN： 0022-2291

Source： Journal of Low Temperature Physics, Vol.134, Iss.1-2, 2004-01, pp. : 541-546

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Abstract

A functional renormalization group method is applied in a study of the λ transition in bulk ⁴He. Renormalization group equations (flow equations) are derived and suitably simplified for a numerical analysis. It is discussed how the formalism bridges the gap between microscopic and macroscopic scales. First numerical results are presented.

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