Diff-invariant kinetic terms in arbitrary dimensions
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Barbero, J. Fernando
Sánchez Villaseñor, Eduardo Jesús
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Abstract
We study the physical content of quadratic diff-invariant Lagrangians in arbitrary dimensions by using covariant symplectic techniques. This paper extends previous results in dimension four. We discuss the difference between the even and odd dimensional cases.
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Barbero, J. F., & Villaseñor, E. J. S. (2002). Diff-invariant kinetic terms in arbitrary dimensions. Physical Review D, 65(12), 125020. https://doi.org/10.1103/PhysRevD.65.125020