On the Singularity Structure and Stability of Plane Waves | Zendy

Donald Marolf | Zendy; Leopoldo A. Pando Zayas | Zendy

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On the Singularity Structure and Stability of Plane Waves

Author(s) -

Donald Marolf,

Leopoldo A. Pando Zayas

Publication year - 2003

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2003/01/076

Subject(s) - singularity , curvature , physics , scalar (mathematics) , diffeomorphism , invariant (physics) , plane wave , plane (geometry) , metric (unit) , classical mechanics , focus (optics) , stability (learning theory) , theoretical physics , mathematical analysis , mathematics , geometry , mathematical physics , optics , computer science , operations management , machine learning , economics

We describe various aspects of plane wave backgrounds. In particular, we makeexplicit a simple criterion for singularity by establishing a relation betweenBrinkmann metric entries and diffeomorphism-invariant curvature information. Wealso address the stability of plane wave backgrounds by analyzing thefluctuations of generic scalar modes. We focus our attention on cases whereafter fixing the light-cone gauge the resulting world sheet fields appear tohave negative "mass terms". We nevertheless argue that these backgrounds may bestable.Comment: 21 pages, 1 figur

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