Scale invariant non linear sigma model at finite temperatures

Autor:	Jean-Loïc Kneur, Marcus Benghi Pinto, Gabriel N. Ferrari, Rudnei O. Ramos
Přispěvatelé:	Laboratoire Charles Coulomb (L2C), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)
Jazyk:	angličtina
Rok vydání:	2016
Předmět:	Physics History 010308 nuclear & particles physics [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph] 0103 physical sciences Mathematical analysis Scale invariance 010306 general physics 01 natural sciences Computer Science Applications Education Non-linear sigma model
Zdroj:	Journal of Physics Conference Series 8TH INTERNATIONAL WORKSHOP DICE2016: SPACETIME-MATTER-QUANTUM MECHANICS 8TH INTERNATIONAL WORKSHOP DICE2016: SPACETIME-MATTER-QUANTUM MECHANICS, Sep 2016, Castiglioncello, Italy. pp.012049, ⟨10.1088/1742-6596/880/1/012049⟩
DOI:	10.1088/1742-6596/880/1/012049⟩
Popis:	International audience; The recently proposed renormalization group improved optimized perturbation theory is employed to evaluate the pressure of the two dimensional non linear sigma model at finite temperatures. We explicitly show how this powerful resummation method can turn the lowest (one loop) perturbative contribution to the pressure, which is not RG invariant, into a non perturbative quantity exhibiting scale invariance.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd1cc8c7216cac95a309ae8b7b6f7f3b https://hal.archives-ouvertes.fr/hal-01624698 Zobrazit plný text záznamu