Pauli-Villars and the ultraviolet completion of Einstein gravity
Philip D. Mannheim
TL;DR
This paper constructs a higher-derivative gravity theory using Pauli-Villars regularization, providing an ultraviolet completion of Einstein gravity that is ghost-free, unitary, and renormalizable.
Contribution
It introduces a novel higher-derivative gravity model via Pauli-Villars regularization, ensuring ghost-freedom and renormalizability.
Findings
The theory is ghost-free and unitary.
It achieves power counting renormalizability.
Provides a consistent ultraviolet completion of Einstein gravity.
Abstract
Through use of the Pauli-Villars regulator procedure we construct a second- plus fourth-order-derivative theory of gravity that serves as an ultraviolet completion of standard second-order-derivative quantum Einstein gravity that is ghost-free, unitary and power counting renormalizable.
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Taxonomy
TopicsRelativity and Gravitational Theory · Cosmology and Gravitation Theories · History and Developments in Astronomy