Cover Image

Ghost instabilities and strong coupling in quadratic non-metricity theories

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Ganz, Alexander, Spinelli, Marco
Format:	Preprint
Published:	2025
Subjects:	General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics High Energy Physics - Theory
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Similar Items

On the consistent disformal couplings to fermions
by: Domènech, Guillem, et al.
Published: (2025)

Unique gravitational wave signatures of GLPV scalar-tensor theories
by: Domènech, Guillem, et al.
Published: (2025)

Connecting Relativistic MOND Theories with Mimetic Gravity
by: Domènech, Guillem, et al.
Published: (2025)

Enhanced induced gravitational waves in Horndeski gravity
by: Domènech, Guillem, et al.
Published: (2024)

Beyond general relativity: gravitational waves in non-minimally coupled theories
by: Alexander, Stephon, et al.
Published: (2025)

Parametric resonance of gravitational waves in general scalar-tensor theories
by: Cai, Yi-Fu, et al.
Published: (2023)

Ghost-free, gauge invariant SVT generalizations of Horndeski theory
by: Mironov, S., et al.
Published: (2025)

Complete background cosmology of parity-even quadratic metric-affine gravity
by: Dyer, Thomas, et al.
Published: (2024)

Ghost-free non-local $F(R)$ Gravity Compatible with ACT
by: Nojiri, Shin'ichi, et al.
Published: (2026)

Bispectrum from inflation/bouncing Universe in VCDM
by: Ganz, Alexander, et al.
Published: (2024)

Quantum (quadratic) gravity: replacing the massive tensor ghost with an inverted harmonic oscillator-like instability
by: Kumar, K. Sravan, et al.
Published: (2026)

Consequences of non-minimal coupling for mass mixing in spontaneous baryogenesis
by: Dubbini, Mattia, et al.
Published: (2025)

Reconstructing the metric in group field theory
by: Gielen, Steffen, et al.
Published: (2023)

Inflation and reheating in quadratic metric-affine gravity with derivative couplings
by: Gialamas, Ioannis D., et al.
Published: (2024)

Constraining the Gravitational Wave Speed in the Early Universe via Gravitational Cherenkov Radiation
by: Delgado, Paola C. M., et al.
Published: (2025)

Maximum mass limit of strange stars in quadratic curvature-matter coupled gravity
by: Bhattacharjee, Debadri, et al.
Published: (2025)

Loops in inflation with strongly non-geodesic motion
by: Garcia-Saenz, Sebastian, et al.
Published: (2025)

AI--Assisted Exploration: DHOST Theories without Quantum Ghosts
by: Braga, Ginevra, et al.
Published: (2026)

Cosmological scalar perturbations for a metric reconstructed from group field theory
by: Gielen, Steffen, et al.
Published: (2025)

On the Kalb-Ramond field with non-minimal coupling to gravity
by: Hell, Anamaria, et al.
Published: (2026)

On the absence of ghosts in quadratic bigravity
by: Gialamas, Ioannis D., et al.
Published: (2023)

The first variation of the matter energy-momentum tensor with respect to the metric, and its implications on modified gravity theories
by: Haghani, Zahra, et al.
Published: (2023)

Cosmological dynamics and observational constraints on a viable $f(Q)$ non-metric gravity model
by: Oliveros, A., et al.
Published: (2023)

Observational constraints on inflationary models with non-minimally derivative coupling by ACT
by: Gao, Qing, et al.
Published: (2025)

Inflationary magnetogenesis from non-minimal coupling in large- and small-field potentials
by: Luongo, Orlando, et al.
Published: (2026)

A dynamical inflaton coupled to strongly interacting matter
by: Ecker, Christian, et al.
Published: (2023)

Understanding large scale CMB anomalies with the generalized non-minimal derivative coupling during inflation
by: Tiwari, Yashi, et al.
Published: (2022)

Scalar-assisted magnetogenesis during the radiation-dominated epoch
by: Ganz, Alexander, et al.
Published: (2025)

Gravitational wave constraints on the Paneitz operator
by: Valtin, Robin, et al.
Published: (2026)

Dipolar dark matter theory based on a non-Abelian Yang-Mills field
by: Blanchet, Luc, et al.
Published: (2025)

Strong coupling and instabilities in singularity-free inflation from an infinite sum of curvature corrections
by: Tsujikawa, Shinji
Published: (2025)

Cosmic inflation in metric-affine gravity
by: Gialamas, Ioannis D., et al.
Published: (2024)

Primordial black holes through preheating instabilities in $α$-attractor models
by: del-Corral, Daniel, et al.
Published: (2025)

Speed of sound and scalar spectral index: Reconstructing inflation and reheating in a non-canonical theory
by: Herrera, Ramon, et al.
Published: (2024)

Decay and lifetime of oscillons coupled to an external scalar field: Insights from instability band analysis
by: Li, Siyao, et al.
Published: (2025)

Effective field theory reproducing the MOND phenomenology based on a non-Abelian Yang-Mills graviphoton
by: Blanchet, Luc, et al.
Published: (2025)

Revisiting primordial black holes formation from preheating instabilities: the case of Starobinsky inflation
by: del-Corral, Daniel, et al.
Published: (2023)

Little Rip, Pseudo Rip and bounce cosmology with generalized equation of state in non-standard backgrounds
by: Trivedi, Oem, et al.
Published: (2023)

$ξRϕ^2$ non-minimal coupling, and the long range gravitational potential for different spin fields from 2-2 scattering amplitudes
by: Majumder, Avijit Sen, et al.
Published: (2026)

Non-metric geometry as the origin of mass in gauge theories of scale invariance
by: Ghilencea, D. M.
Published: (2022)