Investigations in the Lee–wick Electrodynamics

Accioly, Antonio; Gaete, Patricio; Helayël-Neto, J. A.; Scatena, Eslley; Turcati, Rodrigo

doi:10.1142/s0217732311036401

Cited by 43 publications

(43 citation statements)

References 24 publications

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“…Therefore, we need not be afraid of the massive spin-1 ghost. It is worth mentioning that recently a quantum bound on the Lee-Wick heavy particle mass was found that is of the order of the mass of the Z 0 boson [38]. Actually, this is a very important result.…”

Section: ¼ 0 (Lee-wick Electrodynamics)mentioning

confidence: 90%

New class of spin projection operators for 3D models

et al. 2012

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A new set of projection operators for three-dimensional models are constructed. Using these operators, an uncomplicated and easily handling algorithm for analysing the unitarity of the aforementioned systems is built up. Interestingly enough, this method converts the task of probing the unitarity of a given 3D system, that is in general a time-consuming work, into a straightforward algebraic exercise; besides, it also greatly clarifies the physical interpretation of the propagating modes. In order to test the efficacy and quickness of the algorithm at hand, the unitarity of some important and timely higher-order electromagnetic (gravitational) systems augmented by both Chern-Simons and higher order Chern-Simons terms are investigated.Comment: 14 pages. Matches published versio

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Section: ¼ 0 (Lee-wick Electrodynamics)mentioning

confidence: 90%

New class of spin projection operators for 3D models

et al. 2012

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“…(20), which describes a particle of mass m = 1/ √ 2βc, widely discussed in [64]. Based on studies of the anomalous magnetic moment of the electron [66][67][68], the estimates that have been found were ( X i ) 0 ≤ 7. It is important to remember that, in our investigation, we have supposed the violation of the Lorentz symmetry to occur spontaneously, i.e., due only to the background tensors.…”

Section: Discussionmentioning

confidence: 99%

The SME gauge sector with minimum length

Belich

Louzada

2017

Eur. Phys. J. C

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We study the gauge sector of the Standard Model Extension (SME) with the Lorentz covariant deformed Heisenberg algebra associated to the minimum length. In order to find and estimate corrections, we clarify whether the violation of Lorentz symmetry and the existence of a minimum length are independent phenomena or are, in some way, related.With this goal, we analyze the dispersion relations of this theory.

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“…A recent estimative of the Lee-Wick mass is m LW ≃ 410 GeV/c 2 [18], which implies that ℓ < 3.4 × 10 −20 m. For some application of Lee-Wick model, see [19]. The variational principle leads us to the equation…”

Section: The Electromagnetism In the Presence Of A Minimal Lengthmentioning

confidence: 99%

Quantum electrodynamics and the electron self-energy in a deformed space with a minimal length scale

Silva

Abreu

Neves

2016

Int. J. Mod. Phys. A

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The main motivation to study models in the presence of a minimal length is to obtain a quantum field theory free of the divergences. In this way, in this paper, we have constructed a new framework for quantum electrodynamics embedded in a minimal length scale background. New operators are introduced and the Green function method was used for the solution of the field equations, i.e., the Maxwell, Klein-Gordon and Dirac equations. We have analyzed specifically the scalar field and its one loop propagator. The mass of the scalar field regularized by the minimal length was obtained. The QED Lagrangian containing a minimal length was also constructed and the divergences were analyzed. The electron and photon propagators, and the electron self-energy at one loop as a function of the minimal length was also obtained.

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Investigations in the Lee–wick Electrodynamics

Cited by 43 publications

References 24 publications

New class of spin projection operators for 3D models

New class of spin projection operators for 3D models

The SME gauge sector with minimum length

Quantum electrodynamics and the electron self-energy in a deformed space with a minimal length scale

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