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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations Quantum State Preparation Representation Quantum Simulation

Supersymmetry of Relativistic Hamiltonians for Arbitrary Spin

arXiv
Authors: Georg Junker

Year

2020

Paper ID

21431

Status

Preprint

Abstract Read

~2 min

Abstract Words

105

Citations

N/A

Abstract

Hamiltonians describing the relativistic quantum dynamics of a particle with an arbitrary spin are shown to exhibit a supersymmetric structure when the even and odd elements of the Hamiltonian commute. For such supersymmetric Hamiltonians an exact Foldy-Wouthuysen transformation exits which brings it into a block-diagonal form separating the positive and negative energy subspaces. Here the supercharges transform between energy eigenstates of positive and negative energy. The relativistic dynamics of a charged particle in a magnetic field is considered for the case of a scalar (spin-zero) boson obeying the Klein-Gordan equation, a Dirac (spin one-half) fermion and a vector (spin-one) boson characterised by the Proca equation.

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  • Hamiltonians describing the relativistic quantum dynamics of a particle with an arbitrary spin are shown to exhibit a supersymmetric structure when the even and odd elements of...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2009.02153 [2] arXiv https://arxiv.org/abs/2009.02153 [3] Publisher https://arxiv.org/abs/2009.02153

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