Reconsidering the Ostrogradsky theorem: higher-derivatives Lagrangians, ghosts and degeneracy
Work
Year: 2021
Type: article
Abstract: We review the fate of the Ostrogradsky ghost in higher-order theories. We start by recalling the original Ostrogradsky theorem and illustrate, in the context of classical mechanics, how higher-deriva... more
Source: Classical and Quantum Gravity
Authors Alexander Ganz, Karim Noui
Institutions Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Jagiellonian University, University of Padua, Laboratoire AstroParticule et Cosmologie, Centre National de la Recherche Scientifique +6 more
Cites: 60
Cited by: 26
Related to: 10
FWCI: 2.1
Citation percentile (by year/subfield): 99.99
Subfield: Astronomy and Astrophysics
Field: Physics and Astronomy
Domain: Physical Sciences
Sustainable Development Goal Reduced inequalities
Open Access status: green