@article{3c68a1091e7f4ff6896a35e0e17df61f,
title = "Spectrum of the Boltzmann collision operator for λϕ4 theory in the classical regime",
abstract = "We analytically determine all the eigenvalues and eigenfunctions of the linearized Boltzmann collision operator (computed using Boltzmann statistics) in massless scalar λϕ4 theory. This is used to determine this system's shear viscosity and particle diffusion transport coefficients in analytical form. The corresponding relaxation time approximation for this linearized Boltzmann equation is also derived.",
author = "Denicol, {Gabriel S.} and Jorge Noronha",
note = "G. S. D. acknowledges Conselho Nacional de Desenvolvimento Cient{\'i}fico e Tecnol{\'o}gico (CNPq) and Funda{\c c}{\~a}o Carlos Chagas Filho de Amparo {\`a} Pesquisa do Estado do Rio de Janeiro (FAPERJ) for financial support. J. N. is partially supported by the U.S. Department of Energy Office of Science , Office for Nuclear Physics under Award No. DE-SC0021301 and DE-SC002386 . The authors thank Funda{\c c}{\~a}o de Amparo {\`a} Pesquisa do Estado de S{\~a}o Paulo (FAPESP), grant number 2017/05685-2 , for support.",
year = "2024",
month = mar,
doi = "10.1016/j.physletb.2024.138487",
language = "English (US)",
volume = "850",
journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
issn = "0370-2693",
publisher = "Elsevier B.V.",
}