Noncompact three-dimensional quantum electrodynamics with N{sub f}=1 and N{sub f}=4
- Department of Physics, University of Wales Swansea, Singleton Park, Swansea SA2 8PP (United Kingdom)
- Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801-3080 (United States)
- Institut fuer Physik, Humboldt Universitaet zu Berlin, 12489 Berlin (Germany)
- Department of Physics, Duke University, Durham, North Carolina 27708 (United States)
We present numerical results for noncompact three-dimensional quantum electrodynamics for numbers of flavors N{sub f}=1 and N{sub f}=4. In particular, we address the issue of whether chiral symmetry is spontaneously broken in the continuum limit, and obtain a positive answer for N{sub f}=1, with a dimensionless condensate estimated to be {beta}{sup 2}<{psi}{psi}>{approx_equal}O(10{sup -3}), implying that the critical number of flavors N{sub fc}>1. We also compare the N{sub f}=1 and N{sub f}=4 models by analyzing the transition from strong to weak coupling behavior using an equation of state based on a continuous phase transition. While some qualitative differences emerge, it appears difficult to determine whether N{sub f}=4 lies above or below N{sub fc}.
- OSTI ID:
- 20664863
- Journal Information:
- Physical Review. B, Condensed Matter and Materials Physics, Vol. 70, Issue 10; Other Information: DOI: 10.1103/PhysRevB.70.104501; (c) 2004 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1098-0121
- Country of Publication:
- United States
- Language:
- English
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