Renormalization theory of the interacting Bose fluid


Creswick, R.J. and Wiegel, F.W. (1983) Renormalization theory of the interacting Bose fluid. Physical Review A: General physics, 28 (3). pp. 1579-1586. ISSN 1050-2947

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Abstract:We derive an approximate closed form for the infinitesimal generator of the renormalization group for the interacting Bose fluid. The Bose-condensed phase is treated by the method of Bogoliubov, and a simple scaling law is found for the condensate density. It is shown that the quantum-mechanical features are irrelevant close to the λ line. This is demonstrated by calculating the critical behavior in 4-ε dimensions to order ε.
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Copyright:© 1983 American Physical Society
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