Starobinsky inflation with a quadratic Weyl tensor - De Felice, Antonio; Kawaguchi, Ryodai; Mizui, Kotaro; Tsujikawa, Shinji (arXiv.org, 2023)
Keywords: Coupled modes; Curvature; Degrees of freedom; Invariants; Mathematical analysis; Perturbation; Physics - Cosmology and Nongalactic Astrophysics; Physics - General Relativity and Quantum Cosmology; Physics - High Energy Physics - Phenomenology; Physics - High Energy Physics - Theory; Propagation modes; Stability; Tensors