Unstable behaviors of classical solutions in spinor-type conformal invariant fermionic models

Abstract

It is well known that instantons are classical topological solutions existing in the context of quantum field theories that lie behind the standard model of particles. To provide a better understanding for the dynamical nature of spinor-type instanton solutions, conformal invariant pure spinor fermionic models that admit particlelike solutions for the derived classical field equations are studied in this work under cosine wave forcing. For this purpose the effects of external periodic forcing on two systems having different dimensions and quantum spinor numbers and have been obtained under the use of Heisenberg ansatz are investigated by constructing their Poincaré sections in phase space. As a result, bifurcations and chaos are observed depending on the excitation amplitude of the external forcing in both pure spinor fermionic models. 4 3 self-coupled spinor term was found and they were shown to be instantonic 1 arXiv:1508.00610v1 [hep-th] 3 Aug 2015

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