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arxiv: hep-th/0306271 · v1 · submitted 2003-06-27 · ✦ hep-th

Born-Infeld Lagrangian using Cayley-Dickson algebras

classification ✦ hep-th
keywords cdotmatrixalgebrasborn-infeldcayley-dicksondeterminantdistinguishedgiven
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We rewrite the Born-Infeld Lagrangian, which is originally given by the determinant of a $4 \times 4$ matrix composed of the metric tensor $g$ and the field strength tensor $F$, using the determinant of a $(4 \cdot 2^n) \times (4 \cdot 2^n)$ matrix $H_{4 \cdot 2^{n}}$. If the elements of $H_{4 \cdot 2^{n}}$ are given by the linear combination of $g$ and $F$, it is found, based on the representation matrix for the multiplication operator of the Cayley-Dickson algebras, that $H_{4 \cdot 2^{n}}$ is distinguished by a single parameter, where distinguished matrices are not similar matrices. We also give a reasonable condition to fix the paramete

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