0000000000236782

AUTHOR

H. Liivat

showing 3 related works from this author

"Dynamical" interactions and gauge invariance

2009

Appreciating the classical understanding of the elementary particle the "dynamical" Poincare algebra is developed. It is shown that the "dynamical" Poincare algebra and the equations of motion of particles with arbitrary spin are gauge invariant and that gauge invariance and relativistic invariance stand on equal footings. A "dynamical" non-minimal interaction is constructed explicitly and the Rarita-Schwinger equation is considered in the framework of this "dynamical" interaction.

Electromagnetic fieldPhysicsHigh Energy Physics - TheoryNuclear and High Energy PhysicsLorentz transformationHigh Energy Physics::LatticeAdjoint representationPlane waveFOS: Physical sciencesAnalysis of flowssymbols.namesakeHigh Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)Classical mechanicsHigh Energy Physics - Theory (hep-th)Dirac equationRarita–Schwinger equationsymbolsGauge theory
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Symmetries and similarities for spin orientation parameters in at SM thresholds

2011

Abstract We consider the spin orientation of the final Z bosons for the processes in the Standard Model. We demonstrate that at the threshold energies of these processes the analytical expressions for the Z boson polarization vectors and alignment tensors coincide ( e + e − → Z H , Z γ ) or are very similar ( e + e − → Z Z ). In addition, we present interesting symmetry properties for the spin orientation parameters.

PhysicsNuclear and High Energy PhysicsParticle physicsAnalytical expressionsCondensed matter physicsHomogeneous spacePolarization (waves)BosonNuclear Physics B
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Lorentz invariance and gauge equivariance

2014

Trying to place Lorentz and gauge transformations on the same foundation, it turns out that the first one generates invariance, the second one equivariance, at least for the abelian case. This similarity is not a hypothesis but is supported by and a consequence of the path integral formalism in quantum field theory.

HistoryGauge bosonIntroduction to gauge theoryCPT symmetryLorentz transformationLorentz covarianceComputer Science ApplicationsEducationsymbols.namesakeClassical mechanicsLorenz gauge conditionsymbolsQuantum field theoryMathematical physicsGauge fixingMathematicsJournal of Physics: Conference Series
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