High Energy Physics - Theory [2308.14797] Modular Hamiltonian for de Sitter diamonds https://arxiv.org/abs/2308.14797 ☆ General Relativity and Quantum Cosmology [2308.14517] Quantum Field Theory in Curved Spacetime (2nd Edition) https://ar…

High Energy Physics - Theory [2308.13360] Holography for Small Values of the Cosmological Constant https://arxiv.org/abs/2308.13360 Tom Banks We review recent work on holography for finite area causal diamonds and explore its implications …

High Energy Physics - Theory [2308.05802] Effective gravitational action for 2D massive Majorana fermions on arbitrary genus Riemann surfaces https://arxiv.org/abs/2308.05802 We explore the effective gravitational action for two-dimensiona…

High Energy Physics - Theory [2308.03663] A Background Independent Algebra in Quantum Gravity https://arxiv.org/abs/2308.03663 Edward Witten We propose an algebra of operators along an observer's worldline as a background-independent algeb…

High Energy Physics - Theory [2307.15900] JT Gravity in de Sitter Space and the Problem of Time https://arxiv.org/abs/2307.15900 [2308.00875] String Field Theory https://arxiv.org/abs/2308.00875 Note: Review article for Oxford Research Enc…