Microscopic Space-Time of Extended Hadrons : Quantum Generalization and Field Equations

Details Microscopic Space-Time of Extended Hadrons : Quantum Generalization and Field Equations Microscopic Space-Time of Extended Hadrons : Quantum Generalization and Field Equations

2003-08-27

arxiv.org/abs/hep-th/0308180v1

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

The microlocal space-time of extended hadrons, considered to be anisotropic is specified here as a special Finsler space. For this space the classical field equation is obtained from a property of the field on the neighbouring points of the autoparallel curve. The quantum field equation has also been derived for the bispinor field of a free lepton in this Finslerian microspace through its quantum generalization below a fundamental length-scale. The bispinor can be decomposed as a direct product of two spinsors, one depending on the position coordinates and the other on the directional arguments of the Finsler space. The former one represents the spinor of the macrospace, an associated Riemannian space-time of the Finsler space, and satisfies the Dirac equation. The directional variable-dependent spinor satisfies a different equation which is solved here. This spinor-part of the bispinor field for a constituent of the hadron can give rise to an additional quantum number for generating the internal symmetry of hadrons. Also, it is seen that in the process of separating the bispinor field and its equation an epoch-dependent mass term arises. Although, this part of the particle-mass has no appreciable contribution in the present era it was very significant for the very early period of the universe after its creation. Finally, the field equations for a particle in an external electromagnetic field for this Finslerian microlocal space-time and its associated Riemannian macrospaces have been found.

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