Comparative Aspects of Spin-Dependent Interaction Potentials for Spin-1/2 and Spin-1 Matter Fields

P. C. Malta, L. P. R. Ospedal, K. Veiga, J. A. Helayël-Neto
<span title="">2016</span> <i title="Hindawi Limited"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/dexwll6dcfaslb7sjhueamwab4" style="color: black;">Advances in High Energy Physics</a> </i> &nbsp;
This paper sets out to establish a comparative study between classes of spin- and velocity-dependent potentials for spin-1/2 and spin-1 matter currents/sources in the nonrelativistic regime. Both (neutral massive) scalar and vector particles are considered to mediate the interactions between (pseudo-)scalar sources or (pseudo-)vector currents. Though our discussion is more general, we contemplate specific cases in which our results may describe the electromagnetic interaction with a massive
more &raquo; ... ca-type) photon exchanged between two spin-1/2 or two spin-1 carriers. We highlight the similarities and peculiarities of the potentials for the two different types of charged matter and also focus our attention on the comparison between the particular aspects of two different field representations for spin-1 matter particles. We believe that our results may contribute to a further discussion of the relation between charge, spin, and extensibility of elementary particles.
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1155/2016/2531436">doi:10.1155/2016/2531436</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/cg6ysxzcqff57iry7ar2aqy5pm">fatcat:cg6ysxzcqff57iry7ar2aqy5pm</a> </span>
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