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Lorentz symmetry breaking, supersymmetry and pseudo-escalars

Grant number: 13/01231-6
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): May 01, 2013
Effective date (End): January 31, 2016
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal researcher:Alysson Fábio Ferrari
Grantee:Luiz Henrique de Campos Borges
Home Institution: Centro de Ciências Naturais e Humanas (CCNH). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil


This research plan for a PhD in physics aims at studying various aspects of field theories contained pseudo-escalars fields like the axion, in the context of other proposals for Standard Model Extensions, namely, models with violations of Lorentz Symmetry and Supersymmetry. The axion is a particle proposed to solve some problems of the Standard Model, which is also a candidate for Dark Matter. We want to show that it is possible to generate terms involving the axion starting from theories with Lorentz Violation, thus connecting these two popular proposals for beyond the Standard Model physics. We also want to consider supersymmetric theories involving the axion, using the superfield formalism to calculate the effective action in such models. The motivation for that is the existence of strong cosmological constraints over the properties of the supersymmetric partners of the axion. At last, we also want to consider the effect of Lorentz Violation in models including the axion in the primordial cosmology, following some recent studies that appeared in the literature. (AU)

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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BORGES, L. H. C.; FERRARI, A. F.; BARONE, F. A.. New effects in the interaction between electromagnetic sources mediated by nonminimal Lorentz violating interactions. EUROPEAN PHYSICAL JOURNAL C, v. 76, n. 11, . (13/01231-6, 14/24672-0, 13/22079-8)
BORGES, L. H. C.; BARONE, F. A.; HELAYEL-NETO, J. A.. Field sources in a Lorentz-symmetry breaking scenario with a single background vector. EUROPEAN PHYSICAL JOURNAL C, v. 74, n. 6, . (13/01231-6)
BORGES, L. H. C.; DIAS, A. G.; FERRARI, A. F.; NASCIMENTO, J. R.; PETROV, A. YU.. Generation of higher derivatives operators and electromagnetic wave propagation in a Lorentz-violation scenario. Physics Letters B, v. 756, p. 332-336, . (13/01231-6, 14/24672-0, 13/22079-8)
BORGES, L. H. C.; BARONE, F. A.. Traces of Lorentz symmetry breaking in a hydrogen atom at ground state. EUROPEAN PHYSICAL JOURNAL C, v. 76, n. 2, . (13/01231-6)
BORGES, L. H. C.; DIAS, A. G.; FERRARI, A. F.; NASCIMENTO, J. R.; PETROV, A. YU.. Generation of axionlike couplings via quantum corrections in a Lorentz-violating background. Physical Review D, v. 89, n. 4, . (13/01231-6)

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