Corrections to the Electroweak Effective Action at Finite Temperature

Abstract

We calculate contributions to the finite temperature effective action for the electroweak phase transition (EWPT) at $Ø(g^4)$, {\it i.e.} at second order in $(g^2 T/\M)$ and all orders in $(g^2 T^2/\M^2)$. This requires plasma-mass corrections in the calculation of the effective potential, inclusion of the ``lollipop'' diagram, and an estimate of derivative corrections. We find the EWPT remains too weakly first-order to drive baryogenesis. We calculate some one loop kinetic energy corrections using both functional and diagrammatic methods; these may be important for saddlepoint configurations such as the bounce or sphaleron.

LaTeX, 6 figures available by email, CALT-68-1795, HUTP-92-A027, EFI-92-22

References in corpus (6)

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• Towards the Theory of Cosmological Phase Transitions
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• Resummation Methods at Finite Temperature: The Tadpole Way
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• Summation and renormalization of bubble graphs to all orders
• Self Consistent Thermal Resummation: A Case Study of the Phase Transition in 2HDM
• Charge transfer between rotating complex scalar fields
• The Exact Critical Bubble Free Energy and the Effectiveness of Effective Potential Approximations
• On the Validity of the Effective Potential and the Precision of Higgs Self Couplings
• Gravitational waves and tadpole resummation: Efficient and easy convergence of finite temperature QFT
• A strongly first order electroweak phase transition from strong symmetry-breaking interactions
• Sphaleron Effects Near the Critical Temperature
• Coleman-Weinberg SO(10) GUT Theories as Inflationary Models
• Real effective potentials for phase transitions in models with extended scalar sectors