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          Institute: MPI für Gravitationsphysik     Collection: Quantum Gravity and Unified Theories     Display Documents



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ID: 298182.0, MPI für Gravitationsphysik / Quantum Gravity and Unified Theories
Excising das all: Evolving maxwell waves beyond scri
Authors:Misner, Charles W.; van Meter, J. R.; Fiske, David R.
Language:English
Date of Publication (YYYY-MM-DD):2006-09
Title of Journal:Physical Review D
Journal Abbrev.:Phys. Rev. D
Volume:74
Issue / Number:6
Sequence Number of Article:064003
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:We study the numerical propagation of waves through future null infinity in a conformally compactified spacetime. We introduce an artificial cosmological constant, which allows us some control over the causal structure near null infinity. We exploit this freedom to ensure that all light cones are tilted outward in a region near null infinity, which allows us to impose excision-style boundary conditions in our finite-difference code. In this preliminary study we consider electromagnetic waves propagating in a static, conformally compactified spacetime.
External Publication Status:published
Document Type:Article
Communicated by:Hermann Nicolai
Affiliations:MPI für Gravitationsphysik/Quantum Gravity and Unified Theories
External Affiliations:Univ Maryland, Dept Phys, College Pk, MD 20742 USA.; Max Planck Inst Gravitationsphys, Albert Einstein Inst, D-14476 Potsdam, Germany.; Decis Analyt Cor, Intelligent Syst Div, Arlington, VA 22202 USA.; NASA, Goddard Space Flight Ctr, Lab Gravitat Astrophys, Greenbelt, MD 20771 USA.
Identifiers:ISI:000240874500044 [ID No:1]
ISSN:1550-7998 [ID No:2]
DOI:10.1103/PhysRevD.74.064003
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