芬斯勒pp波和彭罗斯极限

IF 2.1 4区物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS

General Relativity and Gravitation Pub Date : 2023-03-26 DOI:10.1007/s10714-023-03101-y

Amir Babak Aazami, Miguel Ángel Javaloyes, Marcus C. Werner

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引用次数: 2

摘要

我们将洛伦兹pp-波的概念扩展到芬斯勒时空的概念，通过提供芬斯勒pp-波相对于陈恩连接的坐标无关的定义;我们的定义还包括平面波的特殊情况。这种处理方法引入了合适的类光坐标，类似于洛伦兹的情况，并利用了一位作者最近开发的各向异性演算。然后我们将彭罗斯的“平面波极限”扩展到芬斯勒时空的设定。文中还给出了这类芬斯勒pp波的新例子。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Finsler pp-waves and the Penrose limit

We extend the notion of a Lorentzian pp-wave to that of Finsler spacetimes by providing a coordinate-independent definition of a Finsler pp-wave with respect to the Chern connection; our definition also includes the special case of a plane wave. This treatment introduces suitable lightlike coordinates, in analogy with the Lorentzian case, and utilizes the anisotropic calculus recently developed by one of the authors. We then extend Penrose’s “plane wave limit” to the setting of Finsler spacetimes. New examples of such Finsler pp-waves are also presented.

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来源期刊

General Relativity and Gravitation 物理-天文与天体物理

CiteScore

4.60

自引率

3.60%

发文量

136

审稿时长

3 months

期刊介绍： General Relativity and Gravitation is a journal devoted to all aspects of modern gravitational science, and published under the auspices of the International Society on General Relativity and Gravitation. It welcomes in particular original articles on the following topics of current research: Analytical general relativity, including its interface with geometrical analysis Numerical relativity Theoretical and observational cosmology Relativistic astrophysics Gravitational waves: data analysis, astrophysical sources and detector science Extensions of general relativity Supergravity Gravitational aspects of string theory and its extensions Quantum gravity: canonical approaches, in particular loop quantum gravity, and path integral approaches, in particular spin foams, Regge calculus and dynamical triangulations Quantum field theory in curved spacetime Non-commutative geometry and gravitation Experimental gravity, in particular tests of general relativity The journal publishes articles on all theoretical and experimental aspects of modern general relativity and gravitation, as well as book reviews and historical articles of special interest.