3967 papers
Quantum gravity represents the frontier where the very large meets the very small, attempting to unify Einstein's theory of gravity with the strange rules of quantum mechanics. This field explores the fundamental fabric of spacetime, seeking to understand how the universe behaves at its most extreme scales, from the heart of black holes to the moment of the Big Bang. Because these concepts often involve complex mathematics, they can feel distant to non-specialists, yet they hold the key to a complete picture of physical reality.
At Gist.Science, we bridge this gap by processing every new preprint in this category directly from arXiv. Our team provides both plain-language explanations and detailed technical summaries for each paper, ensuring that groundbreaking research is accessible to everyone, from curious students to seasoned researchers. Below are the latest papers in quantum gravity, offering fresh insights into the nature of our cosmos.
This paper constructs the canonical ensemble of a self-gravitating thin shell in anti-de Sitter space using the Euclidean path integral approach to derive its thermodynamic properties, identify a fully stable equilibrium configuration, and demonstrate a first-order phase transition to a Hawking-Page black hole phase that occurs below a maximum temperature limit.
This paper investigates the coherence of mixed GHZ and W states in Schwarzschild spacetime, revealing that mixed W states maintain superior coherence against Hawking radiation compared to GHZ states as qubit numbers increase, while bosonic fields exhibit higher coherence and fermionic fields preserve stronger entanglement.
This paper presents a numerical approach using the hyperboloidal slice method to study particle creation in accelerating toy models within Minkowski spacetime, offering a promising framework for rigorously addressing the Hawking scattering problem in complex gravitational scenarios by reaching both past and future null infinities.
This paper presents a precise quintom-like transit universe model within the framework of metric-affine gravity, deriving hyperbolic solutions constrained by observational data that reveal phantom and quintom-A characteristics through the analysis of cosmological parameters and the diagnostic test.
This paper investigates the stellar origin of the massive, rapidly spinning black hole GW231123 by simulating rotating massive stars, finding that differential rotation can shift the pair-instability mass gap to higher values and allow for the direct core-collapse formation of black holes with masses exceeding 150 solar masses and high spins.
This study employs a comprehensive Bayesian analysis integrating terrestrial nuclear physics data with astrophysical observations from PSR J0437+4715, PSR J0614+3329, and GW170817 to constrain the neutron star equation of state, ultimately favoring the Skyrme model and yielding precise determinations of symmetry energy parameters and the radius and tidal deformability of a 1.4 solar mass neutron star.
This paper proposes an alternative approach to Generalized Uncertainty Principle models by symmetrizing operators instead of modifying the inner-product measure, thereby preserving standard momentum space and enabling standard position representations for eigenstates while comparing the merits of both methods.
This paper proposes a unified framework demonstrating that early causal tensor sources, such as phase transitions and topological defects, generate a universal tensor power spectrum that produces a distinct, small-scale-enhanced -mode signature in the cosmic microwave background, differentiating them from the scale-invariant predictions of inflation.
This paper demonstrates that in non-unitary field theories conjectured to be dual to cosmological correlators, scale invariance does not necessarily imply full conformal invariance (or bulk boost symmetry), a distinction illustrated using Einstein-Aether theory as a canonical example.
This paper investigates the phenomenological implications of a quantum-corrected Reissner-Nordström black hole by analyzing its orbital dynamics and quasi-periodic oscillations to constrain quantum parameters via observational data, while also examining scalar perturbations, greybody factors, and logarithmic thermal corrections to its entropy.