On a basic conceptual confusion in gravitational radiation theory

Abhay Ashtekar, Béatrice Bonga

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

In much of the literature on linearized gravitational waves two completely different notions are called transverse traceless modes and labelled hTTab, often in different sections of the same reference, without realizing the underlying inconsistency. We compare and contrast the two notions and find that the difference persists even at leading asymptotic order near future null infinity Ⅎ+. We discuss why the distinction has nonetheless remained largely unnoticed, and also point out that there are some important physical effects where only one of the notions gives the correct answer.

Original languageEnglish (US)
Article number20LT01
JournalClassical and Quantum Gravity
Volume34
Issue number20
DOIs
StatePublished - Sep 19 2017

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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