Aspects of CPT-even Lorentz-symmetry violating physics in a supersymmetric scenario

Belich, H.; Bernald, L. D.; Gaete, Patricio; Helayël-Neto, J. A.; Leal, F. J. L.

doi:10.1140/epjc/s10052-015-3447-0

Cited by 27 publications

(43 citation statements)

References 73 publications

(114 reference statements)

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“…The SME constitutes a quite general framework that facilitates investigations on the breaking of Lorentz and CPT symmetries. Theoretical aspects of LV have been investigated in Maxwell electrodynamics [7][8][9][10][11], QCD [12], gravity [13,14], noncommutative theories [15], statistical mechanics [16], QED [17][18][19][20], supersymmetry [21][22][23][24], electromagnetic wave propagation [25][26][27], to name a few. Experimental tests of LV have been performed in experiments involving photons [28,29], electrons [30,31], muons [32,33], and many others [3].…”

Section: Introductionmentioning

confidence: 99%

New effects in the interaction between electromagnetic sources mediated by nonminimal Lorentz violating interactions

Borges¹,

Ferrari²,

Barone³

2016

Eur. Phys. J. C

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This paper is dedicated to the study of interactions between external sources for the electromagnetic field in the presence of Lorentz symmetry breaking. We focus on a higher derivative, Lorentz violating interaction that arises from a specific model that was argued to lead to interesting effects in the low energy phenomenology of light pseudoscalars interacting with photons. The kind of higher derivative Lorentz violating interaction we discuss are called nonminimal. They are usually expected to be relevant only at very high energies, but we argue they might also induce relevant effects in low energy phenomena. Indeed, we show that the Lorentz violating background considered by us leads to several phenomena that have no counterpart in Maxwell theory, such as nontrivial torques on isolated electric dipoles, as well as nontrivial forces and torques between line currents and point like charges, as well as among Dirac strings and other electromagnetic sources.

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Section: Introductionmentioning

confidence: 99%

New effects in the interaction between electromagnetic sources mediated by nonminimal Lorentz violating interactions

Borges¹,

Ferrari²,

Barone³

2016

Eur. Phys. J. C

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“…For the CPT-odd case, we study the super-symmetrised [55,75] Carroll-Field-Jackiw model [20], where the Lorentz-Poincaré symmetry violation is determined by the V µ fourvector. The resulting dispersion relation is of the fourth order.…”

Section: Conclusion Discussion and Perspectivesmentioning

confidence: 99%

“…For the CPT-even sector, in [55] the authors investigate the k F -term from SME, focusing on how the Fermionic condensates affect the physics of photons and photinos.…”

Section: 2mentioning

confidence: 99%

“…Also, according to the results of Sects. 2, 4 of the same reference, the -mass −2 -parameter s corresponds to the (scalar) condensate of the Fermions present in the background SuSy multiplet responsible for the LoSy violation, where r is a dimensionless coefficient, estimated as r = −32 [55]. The term with coefficient s in L 4 corresponds to a dimension-6 operator and, in a context without SuSy, it appears in the photon sector of the non-minimal SME [21,80].…”

Section: Class 4: K F Model and Susy Breakingmentioning

confidence: 99%

“…Indeed, we adopt the point of view that the LSV background is part of a SuSy multiplet; see for instance [55].…”

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confidence: 99%

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Photon sector analysis of Super and Lorentz symmetry breaking: effective photon mass, bi-refringence and dissipation

et al. 2018

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Within the Standard Model Extension (SME), we expand our previous findings on four classes of violations of Super-Symmetry (SuSy) and Lorentz Symmetry (LoSy), differing in the handedness of the Charge conjugation-Parity-Time reversal (CPT) symmetry and in whether considering the impact of photinos on photon propagation. The violations, occurring at the early universe high energies, show visible traces at present in the Dispersion Relations (DRs). For the CPT-odd classes (V µ breaking vector) associated with the Carroll-Field-Jackiw (CFJ) model, the DRs and the Lagrangian show for the photon an effective mass, gauge invariant, proportional to |V|. The group velocity exhibits a classic dependency on the inverse of the frequency squared. For the CPT-even classes (k F breaking tensor), when the photino is considered, the DRs display also a massive behaviour inversely proportional to a coefficient in the Lagrangian and to a term linearly dependent on k F . All DRs display an angular dependence and lack LoSy invariance. In describing our results, we also point out the following properties: i) the appearance of complex or simply imaginary frequencies and super-luminal speeds and ii) the emergence of bi-refringence. Finally, we point out the circumstances for which SuSy and LoSy breakings, possibly in presence of an external field, lead to the non-conservation of the photon energy-momentum tensor. We do so for both CPT sectors. a

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Lorentz Symmetry Breaking and Supersymmetry

Mariz

Nascimento

Petrov

2022

SpringerBriefs in Physics

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Aspects of CPT-even Lorentz-symmetry violating physics in a supersymmetric scenario

Cited by 27 publications

References 73 publications

New effects in the interaction between electromagnetic sources mediated by nonminimal Lorentz violating interactions

New effects in the interaction between electromagnetic sources mediated by nonminimal Lorentz violating interactions

Photon sector analysis of Super and Lorentz symmetry breaking: effective photon mass, bi-refringence and dissipation

Lorentz Symmetry Breaking and Supersymmetry

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