Quaternions and Small Lorentz Groups in Noncommutative Electrodynamics

. Non-linear electrodynamics arising in the frames of field theories in noncommutative space-time is examined on the base of quaternion formalism. The problem of form-invariance of the corresponding nonlinear constitutive relations governed by six noncommutativity parameters θ kl or quaternion is ex...

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Veröffentlicht in:Advances in applied Clifford algebras 2010-05, Vol.20 (2), p.393-400
Hauptverfasser: Red’kov, V. M., Tolkachev, E. A.
Format: Artikel
Sprache:eng
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Zusammenfassung:. Non-linear electrodynamics arising in the frames of field theories in noncommutative space-time is examined on the base of quaternion formalism. The problem of form-invariance of the corresponding nonlinear constitutive relations governed by six noncommutativity parameters θ kl or quaternion is explored in detail. Two Abelian 2-parametric small groups, or T 2 , depending on invariant length or respectively, have been found. The way to interpret both small groups in physical terms consists in factorizing corresponding Lorentz transformations into Euclidean rotations and Lorentzian boosts. In the context of general study of various dual symmetries in noncommutative field theory, it is demonstrated explicitly that the non-linear constitutive equations under consideration are not invariant under continuous dual rotations, instead only invariance under discrete dual transformation exists.
ISSN:0188-7009
1661-4909
DOI:10.1007/s00006-009-0174-3