Publication: Exotic massive 3D gravity
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Springer Science and Business Media LLC
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Abstract The linearized equations of “New Massive Gravity” propagate a parity doublet of massive spin-2 modes in 3D Minkowski spacetime, but a different non-linear extension is made possible by “third-way” consistency. There is a “Chern-Simons-like” action, as for other 3D massive gravity models, but the new theory is “exotic”: its action is parity odd. This “Exotic Massive Gravity” is the next-to-simplest case in an infinite sequence of third-way consistent 3D gravity theories, the simplest being the “Minimal Massive Gravity” alternative to “Topologically Massive Gravity”.
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Journal of High Energy Physics
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OPEN
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Analogues of general relativity in lower dimensions, High Energy Physics - Theory, Eta-invariants, Chern-Simons invariants, Mathematical Physics, Chern-Simons Theories, Field Theories in Lower Dimensions, FOS: Physical sciences, QC770-798, General Relativity and Quantum Cosmology (gr-qc), Relativistic gravitational theories other than Einstein's, including asymmetric field theories, classical theories of gravity, General Relativity and Quantum Cosmology, High Energy Physics - Theory (hep-th), Nuclear and particle physics. Atomic energy. Radioactivity, Mathematical Sciences, Chern-Simons theories, field theories in lower dimensions, Classical Theories of Gravity, Physical Sciences, Particle and High Energy Physics