GENERAL RELATIVITY AND GRAVITATION广义相对论与引力
GENERAL RELATIVITY AND GRAVITATION(英文缩写 GEN RELAT GRAVIT),ISSN 0001-7701,eISSN 1572-9532,中文译名:广义相对论与引力 是一本学术期刊。本页汇总该期刊的最新影响因子、分区信息以及最新收录于 PubMed 的文献,帮助您快速了解期刊全貌。
发文量统计区间：2025-11-01 至 2026-10-31，按本站收录文献的发表日期统计。
期刊介绍
历年影响因子趋势
| JCR 数据年份 | 影响因子 | JCR 分区 |
|---|---|---|
| 2021 | 2.840 | Q2 |
| 2022 | 2.800 | Q2 |
| 2023 | 2.100 | Q2 |
| 2024 | 2.800 | Q2 |
| 2025 | 3.000 | Q2 |
GENERAL RELATIVITY AND GRAVITATION 最新收录文献
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1. Horizon data: existence results and a near-horizon equation on general null hypersurfaces.
PMID:日期:2026-07-29In a spacetime , a horizon is a null hypersurface where the deformation tensor of a null and tangent vector satisfies certain restrictions. In this work, we develop a formalism to study the geometry of horizons (i.e. characterized by any ), based on encoding the zeroth and first transverse derivatives of on null hypersurfaces detached from any ambient spacetime. We introduce the notions of and . The former encodes the order zero of , while the latter is a symmetric 2-covariant tensor that codifies the "degree of isolation" of a horizon. In particular, the non-isolation tensor vanishes for homothetic, Killing and isolated horizons. As an application we derive a , i.e., an identity that holds on any horizon (regardless of its topology or whether it contains fixed points), which relates the non-isolation tensor, a certain torsion one-form, and curvature terms. By restricting this equation to a cross-section one can recover the near-horizon equation of isolated horizons and the master equation of multiple Killing horizons. Our formalism allows us to prove two existence theorems for horizons. Specifically, we establish the necessary and sufficient conditions for a non-degenerate totally geodesic horizon with any prescribed non-isolation tensor to be embeddable in a spacetime satisfying any (non-necessarily -vacuum) field equations. We treat first the case of arbitrary topology, and then show how the result can be strengthened when the horizon admits a cross-section.
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2. A simplified proof of a cosmological singularity theorem.
PMID:日期:2026-06-04In a previous paper [9], we proved the following singularity theorem applicable to cosmological models with a positive cosmological constant: if a four-dimensional spacetime satisfying the null energy condition contains a compact Cauchy surface which is expanding in all directions, then the spacetime is past null geodesically incomplete unless the Cauchy surface is topologically a spherical space. The proof in [9] made use of the positive resolution of the surface subgroup conjecture [15]. In this note, we demonstrate how the less-broadly-known positive resolution of the virtual positive first Betti number conjecture [1] provides a more streamlined and unified approach to the proof. We illustrate the theorem with some examples and analyze its rigidity under null geodesic completeness.
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3. The failure of the Ehlers-Kundt conjecture in the impulsive case.
3. 在脉冲情况下Ehlers-Kundt猜想的失败PMID:日期:2026-06-03In 1962, Ehlers and Kundt conjectured that plane waves are the only class of complete Ricci-flat -waves, i.e. metrics on of the form Recently, Flores and Sánchez gave a proof of the conjecture in the fundamental case of spatially polynomially bounded profile functions . However, -waves, i.e. waves with concentrated profile functions of the form ( , the Dirac measure) have been found to be complete for arbitrary (smooth) spatial profile functions . We summarise completeness results for several classes of impulsive wave spacetimes achieved during the last years and discuss them in the context of the Ehlers-Kundt conjecture.
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4. {"_":"The -inextendibility of some spatially flat FLRW spacetimes.","mml:math":[{"xmlns:mml":["http://www.w3.org/1998/Math/MathML"],"mml:msup":[{"mml:mi":["C"],"mml:mn":["0"]}]}]}
4. 一些空间平坦FLRW时空的不可延伸性。C0PMID:日期:2026-05-04Utilizing some of Sbierski's recent -inextendibility techniques [18], we prove the -inextendibility of a class of spatially flat FLRW spacetimes without particle horizons.
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5. A string theoretic derivation of gibbons-hawking entropy.
PMID:日期:2025-08-02We describe an attempt of string theoretic derivation of the Gibbons-Hawking entropy. Despite not admitting a de Sitter vacuum, the string theory, by the power of open-close correspondence, captures the Gibbons-Hawking entropy as the entropy of Chan-Paton species on a de Sitter-like state obtained via -branes. Moreover, this derivation sheds a new light at the origin of the area-form, since the equality takes place for a critical 't Hooft coupling for which the species entropy of open strings saturates the area-law unitarity bound.
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6. Black Holes as Laboratories: Tests of General Relativity.
6. 黑洞作为实验室：广义相对论的检验PMID:日期:2025-06-22We briefly overview the case for using black holes as a discriminator for theories of gravity. The opportunities and challenges for the various observational experiments are outlined, and key questions for the community identified. This note summarises the discussion from the roundtable on the third day of .
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7. Nonminimal coupling, quantum scalar field stress-energy tensor and energy conditions on global anti-de Sitter space-time.
7. 全局反德西特时空上的非最小耦合、量子标量场应力-能量张量与能量条件PMID:日期:2025-05-13We compute the renormalized expectation value of the stress-energy tensor operator for a quantum scalar field propagating on three-dimensional global anti-de Sitter space-time. The scalar field has general mass and nonminimal coupling to the Ricci scalar curvature, and is subject to Dirichlet, Neumann or Robin boundary conditions at the space-time boundary. We consider both vacuum and thermal states, and explore whether the weak and null energy conditions are satisfied by the quantum stress-energy tensor. We uncover a rather complicated picture: compliance with these two energy conditions depends strongly on the mass and coupling of the scalar field to the curvature, and the boundary conditions applied.
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8. Height-function-based 4D reference metrics for hyperboloidal evolution.
8. 基于高度函数的双曲型演化四维参考度量PMID:日期:2024-11-07Hyperboloidal slices are spacelike slices that reach future null infinity. Their asymptotic behaviour is different from Cauchy slices, which are traditionally used in numerical relativity simulations. This work uses free evolution of the formally-singular conformally compactified Einstein equations in spherical symmetry. One way to construct gauge conditions suitable for this approach relies on building the gauge source functions from a time-independent background spacetime metric. This background reference metric is set using the height function approach to provide the correct asymptotics of hyperboloidal slices of Minkowski spacetime. The present objective is to study the effect of different choices of height function on hyperboloidal evolutions via the reference metrics used in the gauge conditions. A total of 10 reference metrics for Minkowski are explored, identifying some of their desired features. They include 3 hyperboloidal layer constructions, evolved with the non-linear Einstein equations for the first time. Focus is put on long-term numerical stability of the evolutions, including small initial gauge perturbations. The results will be relevant for future (puncture-type) hyperboloidal evolutions, 3D simulations and the development of coinciding Cauchy and hyperboloidal data, among other applications.
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9. The Dirac equation across the horizons of the 5D Myers-Perry geometry: separation of variables, radial asymptotic behaviour and Hamiltonian formalism.
9. 五维Myers-Perry几何视界上的狄拉克方程：变量分离、径向渐近行为和哈密顿形式主义PMID:日期:2024-02-19We analytically extend the 5D Myers-Perry metric through the event and Cauchy horizons by defining Eddington-Finkelstein-type coordinates. Then, we use the orthonormal frame formalism to formulate and perform separation of variables on the massive Dirac equation, and analyse the asymptotic behaviour at the horizons and at infinity of the solutions to the radial ordinary differential equation (ODE) thus obtained. Using the essential self-adjointness result of Finster-Röken and Stone's formula, we obtain an integral spectral representation of the Dirac propagator for spinors with low masses and suitably bounded frequency spectra in terms of resolvents of the Dirac Hamiltonian, which can in turn be expressed in terms of Green's functions of the radial ODE.
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10. Geodesics and gravitational waves in chaotic extreme-mass-ratio inspirals: the curious case of Zipoy-Voorhees black-hole mimickers.
10. 混沌极端质量比旋近中的测地线与引力波：Zipoy-Voorhees黑洞模仿者的奇特案例PMID:日期:2023-06-03Due to the growing capacity of gravitational-wave astronomy and black-hole imaging, we will soon be able to emphatically decide if astrophysical dark objects lurking in galactic centers are black holes. Sgr A*, one of the most prolific astronomical radio sources in our galaxy, is the focal point for tests of general relativity. Current mass and spin constraints predict that the central object of the Milky Way is supermassive and slowly rotating, thus can be conservatively modeled as a Schwarzschild black hole. Nevertheless, the well-established presence of accretion disks and astrophysical environments around supermassive compact objects can significantly deform their geometry and complicate their observational scientific yield. Here, we study extreme-mass-ratio binaries comprised of a minuscule secondary object inspiraling onto a supermassive Zipoy-Voorhees compact object; the simplest exact solution of general relativity that describes a static, spheroidal deformation of Schwarzschild spacetime. We examine geodesics of prolate and oblate deformations for generic orbits and reevaluate the non-integrability of Zipoy-Voorhees spacetime through the existence of resonant islands in the orbital phase space. By including radiation loss with post-Newtonian techniques, we evolve stellar-mass secondary objects around a supermassive Zipoy-Voorhees primary and find clear imprints of non-integrability in these systems. The peculiar structure of the primary, allows for, not only typical single crossings of transient resonant islands, that are well-known for non-Kerr objects, but also inspirals that transverse through several islands, in a brief period of time, that lead to multiple glitches in the gravitational-wave frequency evolution of the binary. The detectability of glitches with future spaceborne detectors can, therefore, narrow down the parameter space of exotic solutions that, otherwise, can cast identical shadows with black holes.