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Feynman-Graph Expansion for the Equation of State near the Critical Point
Abstract
The scaling equation of state for a generalized classical Heisenberg ferromagnet near the critical point is derived by an expansion in $\ensuremath{\epsilon}=4\ensuremath{-}d$, where $d$ is the dimension of space. It is shown that, though infrared divergences are induced by the Goldstone modes, the equation of state is divergence free. The results are compared with previous numerical calculations. It is also shown that, for non-Ising-like systems the "linear model" cannot be exact, even at first order in $\ensuremath{\epsilon}$ (although the numerical deviations from linearity are small).
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Citations
Cites
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Self-citationNonlinear Realizations of Chiral Symmetry
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Wilson, K. G. (1972) · Physical Review Letters · doi:10.1103/physrevlett.28.548 · Cited by 655
Self-citationThermodynamic Functions for Fluids and Ferromagnets near the Critical Point
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Non-perturbative renormalization flow in quantum field theory and statistical physics
Berges, J., Tetradis, N., & Wetterich, C. (2002) · Physics Reports · doi:10.1016/s0370-1573(01)00098-9 · Cited by 1,548
Critical exponents of theN-vector model
Guida, R., & Zinn-Justin, J. (1998) · Journal of Physics A: Mathematical and General · doi:10.1088/0305-4470/31/40/006 · Cited by 869
Static and dynamic critical phenomena at a second order QCD phase transition
Rajagopal, K., & Wilczek, F. (1993) · Nuclear Physics B · doi:10.1016/0550-3213(93)90502-g · Cited by 550
Two-scale-factor universality and the renormalization group
Hohenberg, P. C., Aharony, A., Halperin, B. I., & Siggia, E. D. (1976) · Physical Review B · doi:10.1103/physrevb.13.2986 · Cited by 278
Hysteresis, avalanches, and disorder-induced critical scaling: A renormalization-group approach
Dahmen, K., & Sethna, J. P. (1996) · Physical Review B · doi:10.1103/physrevb.53.14872 · Cited by 269
Metadata
- Authors
- Brézin, E., Wallace, D. J., & Wilson, K. G.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 1973-01-01
- Volume
- 7
- Issue
- 1
- Pages
- 232-239
- ISSN
- 0556-2805 (ISSN-L)
- OpenAlex
- W1981461847
- Cited by
- 274
- References
- 10
- FWCI
- 19.91
- Type
- journal article
- Language
- en
- Open access
- closed
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