2649 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 proposes a modified interacting dark energy model that successfully describes a redshift-dependent evolution of the Hubble constant, supported by comprehensive observational data ranging from late-Universe probes to CMB constraints, thereby offering a viable theoretical mechanism to alleviate the Hubble tension.
This study investigates the geometric, optical, dynamical, and thermodynamic properties of quantum Oppenheimer-Snyder black holes embedded in a cloud of strings and perfect fluid dark matter, analyzing how these combined factors modify physical characteristics and offer potential observational signatures distinct from classical models.
This paper investigates the interplay between the Weak Gravity Conjecture and the Weak Cosmic Censorship Conjecture in -Euler-Heisenberg (A)dS black holes by demonstrating their thermodynamic compatibility through Barrow entropy, confirming the restoration of photon spheres via Euler-Heisenberg coupling, and analyzing observational signatures including gravitational lensing and black hole shadows.
This paper proposes a generalized framework using interacting -level atomic ensembles to enhance the detection of gravitationally induced quantum effects, while demonstrating that such dynamics can be simulated via a network of dipolar Bose-Einstein condensates to create a programmable analogue platform for exploring gravitating quantum systems.
This paper investigates the geometrical properties of light propagation in a (2+1)-dimensional nonlinear electromagnetic medium, deriving wave characteristics and demonstrating that phenomena such as one-way propagation and controlled opacity persist despite dimensional reduction.
This paper investigates the short-distance thermal phase structure and stability of charged black holes in 4D Einstein-Gauss-Bonnet gravity by combining non-perturbative entropy corrections with information-geometric diagnostics and quantum-work probes, revealing that while deviations from general relativity are negligible for large black holes, the interplay of Gauss-Bonnet coupling and quantum corrections significantly alters the thermodynamic stability of extremal geometries and remnants at small horizon scales.
This paper establishes that thermodynamic positivity bounds and swampland criteria, when applied to 3-form gauge fields with higher-derivative corrections, impose stricter constraints on extremal black hole masses and inflationary potentials than dynamics alone, effectively ruling out small-field inflation models while supporting viable large-field scenarios.
This study utilizes a damped Gross-Pitaevskii model of a pinned, rotating Bose-Einstein condensate to demonstrate that glitch-like perturbations can trigger a transition from Kolmogorov-like to Vinen-like turbulence, sustained by an anomalous energy injection mechanism driven by quantum pressure, thereby offering qualitative insights into vortex-mediated dynamics in neutron stars.
This paper proposes and validates a unified K-essence model that describes dark radiation, dark matter, and dark energy through a single scalar field, demonstrating its observational viability with Planck and DESI data and its potential to partially alleviate the Hubble tension.
This paper investigates the tidal disruption of a neutron star near a naked singularity, demonstrating that unlike near a black hole, the absence of an event horizon allows material to escape and be observed, offering a potential method to confirm naked singularities, probe their spacetime, and constrain neutron star properties.