MC simulations of O(2)ϕ⁴ theory in three dimensions with worm algorithm

2018/03/28 by Barbara De Palma, De Palma, Barbara, Marco Guagnelli +1
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #Physics of Superconductivity and Magnetism #Quantum Chromodynamics and Particle Interactions #Theoretical and Computational Physics

paper · pdf · doi:10.48550/arxiv.1803.10585

openalex publication_date 2018/03/28 · openalex created_date 2024/04/11 · openalex updated_date 2026/07/28

Abstract

We study the critical region of the O(2) ϕ⁴ theory by means of Monte Carlo simulations on the lattice. In particular we determine the ratio Δ⟨ϕ²⟩_c/g in order to estimate the first correction to the critical temperature of a weak interacting Bose gas.

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