Cosmological scenarios from multiquintessence

Author(s)

Correa, R. A. C. ^{[1, 2]} ; Moraes, P. H. R. S. ^[1] ; de Souza Dutra, A. ^[3] ; Santos, J. R. L. ^[4] ; de Paula, W. ^[1]

Affiliation

^[1] ITA, Dept Fis, BR-12228900 Sao Jose Dos Campos, SP - Brazil

^[2] SISSA, Via Bonomea 265, I-34136 Trieste - Italy

^[3] Univ Estadual Paulista, UNESP, BR-12516410 Guaratingueta, SP - Brazil

^[4] Univ Fed Campina Grande, Unidade Acad Fis, Caixa Postal 10071, BR-58109970 Campina Grande, Paraiba - Brazil

• Document type: Journal article
• Source: EUROPEAN PHYSICAL JOURNAL C; v. 78, n. 11 OCT 30 2018.
• Web of Science Citations: 2

Abstract

In this work we derive and analyse cosmological scenarios coming from multi-component scalar field models. We consider a direct sum of a sine-Gordon with a Z2 model, and also a combination of those with a BNRT model. Moreover, we work with a modified version of the BNRT model, which breaks the Z2 x Z2 symmetry of the original BNRT potential, coupled with the sine-Gordon and with the standard Z2 models. We show that our approach can be straightforwardly elevated to N fields. All the computations are made analytically and some parameters restriction is put forward in order to get in touch with complete and realistic cosmological scenarios. (AU)

• FAPESP's process: 15/08476-0 - Gravitational waves in f(R,T) theories: polarization states and astrophysical sources
• Grantee: Pedro Henrique Ribeiro da Silva Moraes
• Support type: Scholarships in Brazil - Post-Doctorate
• FAPESP's process: 16/03276-5 - General theory of Oscillons in Lorentz violating scenarios, configurational entropy and physics of nanomaterials
• Grantee: Rafael Augusto Couceiro Correa
• Support type: Scholarships in Brazil - Post-Doctorate
• FAPESP's process: 17/26646-5 - Oscillons in scalar field theories
• Grantee: Rafael Augusto Couceiro Correa
• Support type: Scholarships abroad - Research Internship - Post-doctor