Algorithm for computing the propagator for higher derivative gravity theories (Q1591672)
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scientific article; zbMATH DE number 1549034
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Algorithm for computing the propagator for higher derivative gravity theories |
scientific article; zbMATH DE number 1549034 |
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Algorithm for computing the propagator for higher derivative gravity theories (English)
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7 January 2001
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The authors review the spin-projection method of Barnes and Rivers and apply it to linearized fourth-order gravitational theories which follow from a Lagrangian of the form Einstein-Hilbert term plus quadratic curvature terms. They choose some gauge-fixing term and calculate the propagator for the gauges named after Julve-Tonin, de Donder, Feynman, and Einstein-Hitzer-Dehnen. The propagator is also calculated for the Pauli-Fierz theory with a mass term where the gauge freedom is broken.
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quadratic gravity
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linear gravity
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spin-projection method
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linearized fourth-order gravitational theories
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propagator
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Pauli-Fierz theory
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