Renormalized Finite Temperature phi^4 theory from the 2PI Effective Action

Abstract

We present an analytical and numerical study of scalar phi^4 theory at finite temperature with a renormalized 2-loop truncation of the 2PI effective action.

4 pages. Presented at International Conference on Strong and Electroweak Matter (SEWM 2006), Upton, New York, 10-13 May 2006

References in corpus (9)

• The entropy of the QCD plasma
• Nonperturbative renormalization for 2PI effective action techniques
• The O(N) Model at Finite Temperature: Renormalization of the Gap Equations in Hartree and Large-N Approximation
• Renormalized thermodynamics from the 2PI effective action
• Self-consistent approximations in relativistic plasmas: Quasiparticle analysis of the thermodynamic properties
• Effective Potential of O(N) Linear Sigma Model at Finite Temperature
• Asymptotic thermal quark masses and the entropy of QCD in the large-N_f limit
• Selfconsistent calculations of spectral densities in the O(N) model: improving the Hartree-Fock approximation by including nonzero decay widths
• Selfconsistent calculations of sigma-meson properties at finite temperature

Cited by in corpus (22)

• Chiral transition in a magnetic field and at finite baryon density
• Non-renormalizability of the classical statistical approximation
• Applicability of the Linear delta Expansion for the lambda phi^4 Field Theory at Finite Temperature in the Symmetric and Broken Phases
• 2PI functional techniques for gauge theories: QED
• Nonperturbative infrared effects for light scalar fields in de Sitter space
• Renormalisability of the 2PI-Hartree approximation of multicomponent scalar models in the broken symmetry phase
• Renormalization of the 2PI Hartree-Fock approximation on de Sitter background in the broken phase
• Broken phase scalar effective potential and Phi-derivable approximations
• Broken phase effective potential in the two-loop Phi-derivable approximation and nature of the phase transition in a scalar theory
• Ward Identities for the 2PI effective action in QED
• Thermal effects on slow-roll dynamics
• Counterterm resummation for 2PI-approximation in constant background
• Renormalization of O(N) model in 1/N expansion in auxiliary field formalism
• Non-universal lower bound for the shear viscosity to entropy density ratio
• A critical look at the role of the bare parameters in the renormalization of Phi-derivable approximations
• Broken symmetry phase solution of the phi^4 model at two-loop level of the Phi-derivable approximation
• Renormalisation of out-of-equilibrium quantum fields
• Causality and Renormalization in Finite-Time-Path Out-of-Equilibrium ${\varphi }^3$ QFT
• Direct Photons from Hot Quark Matter in Renormalized Finite-Time-Path QED
• Quantum statistical correlations in thermal field theories: boundary effective theory
• Non-perturbative construction of counterterms for 2PI-approximation
• 2PI functional techniques for abelian gauge theories