Relativistic wave equations with fractional derivatives and pseudodifferential operators

We study the class of the free relativistic covariant equations generated by the fractional powers of the d′Alembertian operator (□1/n). The equations corresponding to n=1 and 2 (Klein-Gordon and Dirac equations) are local in their nature, but the multicomponent equations for arbitrary n>2 are no...

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Main Author: Petr Závada
Format: Article
Language:English
Published: Wiley 2002-01-01
Series:Journal of Applied Mathematics
Online Access:http://dx.doi.org/10.1155/S1110757X02110102
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author Petr Závada
author_facet Petr Závada
author_sort Petr Závada
collection DOAJ
description We study the class of the free relativistic covariant equations generated by the fractional powers of the d′Alembertian operator (□1/n). The equations corresponding to n=1 and 2 (Klein-Gordon and Dirac equations) are local in their nature, but the multicomponent equations for arbitrary n>2 are nonlocal. We show the representation of the generalized algebra of Pauli and Dirac matrices and how these matrices are related to the algebra of SU (n) group. The corresponding representations of the Poincaré group and further symmetry transformations on the obtained equations are discussed. The construction of the related Green functions is suggested.
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spelling doaj-art-424ed0e46e174e8e84139f869a7deba82025-02-03T07:25:48ZengWileyJournal of Applied Mathematics1110-757X1687-00422002-01-012416319710.1155/S1110757X02110102Relativistic wave equations with fractional derivatives and pseudodifferential operatorsPetr Závada0Institute of Physics, Academy of Sciences of Czech Republic, Na Slovance 2, Prague 8 CZ-182 21, Czech RepublicWe study the class of the free relativistic covariant equations generated by the fractional powers of the d′Alembertian operator (□1/n). The equations corresponding to n=1 and 2 (Klein-Gordon and Dirac equations) are local in their nature, but the multicomponent equations for arbitrary n>2 are nonlocal. We show the representation of the generalized algebra of Pauli and Dirac matrices and how these matrices are related to the algebra of SU (n) group. The corresponding representations of the Poincaré group and further symmetry transformations on the obtained equations are discussed. The construction of the related Green functions is suggested.http://dx.doi.org/10.1155/S1110757X02110102
spellingShingle Petr Závada
Relativistic wave equations with fractional derivatives and pseudodifferential operators
Journal of Applied Mathematics
title Relativistic wave equations with fractional derivatives and pseudodifferential operators
title_full Relativistic wave equations with fractional derivatives and pseudodifferential operators
title_fullStr Relativistic wave equations with fractional derivatives and pseudodifferential operators
title_full_unstemmed Relativistic wave equations with fractional derivatives and pseudodifferential operators
title_short Relativistic wave equations with fractional derivatives and pseudodifferential operators
title_sort relativistic wave equations with fractional derivatives and pseudodifferential operators
url http://dx.doi.org/10.1155/S1110757X02110102
work_keys_str_mv AT petrzavada relativisticwaveequationswithfractionalderivativesandpseudodifferentialoperators