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|Type:||Artigo de periódico|
|Title:||Antiparticles From Special Relativity With Ortho-chronous And Antichronous Lorentz Transformations|
Rodrigues Jr. W.A.
|Abstract:||Special Relativity can be based on the whole proper group of both ortho- and antichronous Lorentz transformations, and a clear physical meaning can be given also to antichronous (i.e., nonorthochronous) Lorentz transformations. From the active point of view, the latter requires existence, for any particle, of its antiparticle within a purely relativistic, classical context. From the passive point of view, they give rise to frames "dual" to the ordinary ones, whose properties-here briefly discussed-are linked with the fact that in relativity it is impossible to teach another, far observer (by transmitting only instructions, and no physical objects) our own conventions about the choices right/left, matter/antimatter, and positive/negative time direction. Interesting considerations follow, in particular, by considering-as it is the case-the CPT operation as an actual (even if antichronous) Lorentz transformation. © 1982 Plenum Publishing Corporation.|
|Editor:||Kluwer Academic Publishers-Plenum Publishers|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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