Tricritical structure in the adjoint Higgs model?

Baier, R. ; Gavai, R. V. ; Lang, C. B. (1986) Tricritical structure in the adjoint Higgs model? Physics Letters B: Nuclear Physics and Particle Physics, 172 (3-4). pp. 387-391. ISSN 0370-2693

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The SU(2) gauge system with fixed-length Higgs fields is studied in the adjoint representation. High-statistics Monte Carlo simulations on lattice sizes between L = 4 and L = 8 give evidence that the transition for large Higgs coupling is of first order. For small Higgs coupling the transition signal may be interpreted as a very weak first- or a second-order transition. In the latter case a hitherto unknown tricritical point in the phase diagram is expected.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:14037
Deposited On:12 Nov 2010 09:17
Last Modified:01 Jun 2011 17:01

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