The classical double copy in maximally symmetric spacetimes
A bstract The classical double copy procedure relates classical asymptotically-flat
gravitational field solutions to Yang-Mills and scalar field solutions living in Minkowski …
gravitational field solutions to Yang-Mills and scalar field solutions living in Minkowski …
Holographic applications of logarithmic conformal field theories
D Grumiller, W Riedler, J Rosseel… - Journal of Physics A …, 2013 - iopscience.iop.org
We review the relations between Jordan cells in various branches of physics, ranging from
quantum mechanics to massive gravity theories. Our main focus is on holographic …
quantum mechanics to massive gravity theories. Our main focus is on holographic …
On the degrees of freedom of R2 gravity in flat spacetime
A Hell, D Lüst, G Zoupanos - Journal of High Energy Physics, 2024 - Springer
A bstract We study the degrees of freedom of R 2 gravity in flat spacetime with two
approaches. By rewriting the theory a la Stueckelberg, and implementing Lorentz-like …
approaches. By rewriting the theory a la Stueckelberg, and implementing Lorentz-like …
Traversable Morris–Thorne–Buchdahl wormholes in quadratic gravity
HK Nguyen, M Azreg-Aïnou - The European Physical Journal C, 2023 - Springer
The special Buchdahl-inspired metric obtained in a recent paper [Phys. Rev. D 107, 104008
(2023)] describes asymptotically flat spacetimes in pure R 2 gravity. The metric depends on …
(2023)] describes asymptotically flat spacetimes in pure R 2 gravity. The metric depends on …
Beyond Schwarzschild–de Sitter spacetimes: A new exhaustive class of metrics inspired by Buchdahl for pure gravity in a compact form
HK Nguyen - Physical Review D, 2022 - APS
Some sixty years ago Buchdahl pioneered a program in search of static spherically
symmetric metrics for pure R 2 gravity in vacuo [HA Buchdahl, Nuovo Cimento 23, 141 …
symmetric metrics for pure R 2 gravity in vacuo [HA Buchdahl, Nuovo Cimento 23, 141 …
Classical Double Copy: Kerr-Schild-Kundt metrics from Yang-Mills Theory
The classical double copy idea relates some solutions of Einstein's theory with those of
gauge and scalar field theories. We study the Kerr-Schild-Kundt (KSK) class of metrics in d …
gauge and scalar field theories. We study the Kerr-Schild-Kundt (KSK) class of metrics in d …
A stationary axisymmetric vacuum solution for pure 2 gravity
M Azreg-Aïnou, HK Nguyen - Physica Scripta, 2023 - iopscience.iop.org
The closed-form expression for pure R2 vacuum solution obtained in Phys. Rev. D 107,
104008 (2023) lends itself to a generalization to axisymmetric setup via the modified …
104008 (2023) lends itself to a generalization to axisymmetric setup via the modified …
Wave metrics in the Cotton and conformal Killing gravity theories
We study wave metrics in the context of Cotton gravity and conformal Killing gravity. First, we
consider pp-wave metrics with flat and nonflat wave surfaces and show that they are exact …
consider pp-wave metrics with flat and nonflat wave surfaces and show that they are exact …
Emerging Newtonian potential in pure R2 gravity on a de Sitter background
HK Nguyen - Journal of High Energy Physics, 2023 - Springer
A bstract In [27] Alvarez-Gaume et al. established that pure\(\mathcal {R}\) 2 theory
propagates massless spin-2 graviton on a de Sitter (dS) background but not on a locally flat …
propagates massless spin-2 graviton on a de Sitter (dS) background but not on a locally flat …
Exact solutions to quadratic gravity
Since all Einstein spacetimes are vacuum solutions to quadratic gravity in four dimensions,
in this paper we study various aspects of non-Einstein vacuum solutions to this theory. Most …
in this paper we study various aspects of non-Einstein vacuum solutions to this theory. Most …