Application of renormalization-group techniques to a homogeneous Bose gas at finite temperature
- Department of Physics, The Ohio State University, Columbus, Ohio 43210 (United States)
A homogeneous Bose gas is investigated at finite temperature using renormalization-group techniques. A nonperturbative flow equation for the effective potential is derived using sharp and smooth cutoff functions. Numerical solutions of these equations show that the system undergoes a second-order phase transition in accordance with universality arguments. We obtain the critical exponent {nu}=0.73. {copyright} {ital 1999} {ital The American Physical Society}
- OSTI ID:
- 357292
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 2 Vol. 60; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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