Scaling analysis of the 0(4) symmetric Phi**4 theory in the broken phase
Jun, 1992
34 pages
Published in:
- Nucl.Phys.B 404 (1993) 517-555
e-Print:
- hep-lat/9206025 [hep-lat]
Report number:
- HLRZ-92-35,
- PITHA-92-21
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Abstract:
We study the --symmetric --theory in the scaling region of the broken phase using the standard and a Symanzik improved action with infinite bare self-coupling . A high precision Monte Carlo simulation is performed by applying the reflection cluster algorithm. Employing the histogram method we analytically continue to a sequence of values of the hopping parameter neighbouring the actually simulated ones. In the investigated vicinity of the critical point finite volume effects affecting, e.g., the determination of the field expectation value and the mass of the --particle are very well described by --loop renormalized perturbation theory. We carry out a detailed scaling analysis on a high level of precision. Finally we discuss the upper bound on the Higgs mass for both kinds of actions.- phi**n model: 4
- symmetry: O(4)
- lattice field theory: action
- scaling
- Higgs particle: mass
- mass: Higgs particle
- upper limit
- effect: finite size
- renormalization
- perturbation theory
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