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Abstract:

A recent paper [1] claims that topologically massive gravity contains only chiral boundary excitations at a particular value of the Chern-Simons coupling. On the other hand, propagating bulk degrees of freedom with negative norm were found even at the chiral point in [2]. The two references use very different methods, making comparison of their respective claims difficult. In this letter, we use the method of [1] to construct a tower of physical propagating bulk states satisfying standard AdS boundary conditions. Our states have finite norm, with sign opposite to that of right-moving boundary excitations. Our results thus agree with [2] and disagree with [1]. © 2008 SISSA.

Registro:

Documento: Artículo
Título:Topologically massive gravity at the chiral point is not unitary
Autor:Giribet, G.; Kleban, M.; Porrati, M.
Filiación:Department of Physics, Universidad de Buenos Aires, Pabellón i 1428, Buenos Aires, Argentina
Center for Cosmology and Particle Physics, Department of Physics, New York University, 4 Washington Pl., New York, NY 10003, United States
Palabras clave:AdS-CFT correspondence; Models of quantum gravity
Año:2008
Volumen:2008
Número:10
DOI: http://dx.doi.org/10.1088/1126-6708/2008/10/045
Título revista:Journal of High Energy Physics
Título revista abreviado:J. High Energy Phys.
ISSN:11266708
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_11266708_v2008_n10_p_Giribet.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_11266708_v2008_n10_p_Giribet

Referencias:

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Citas:

---------- APA ----------
Giribet, G., Kleban, M. & Porrati, M. (2008) . Topologically massive gravity at the chiral point is not unitary. Journal of High Energy Physics, 2008(10).
http://dx.doi.org/10.1088/1126-6708/2008/10/045
---------- CHICAGO ----------
Giribet, G., Kleban, M., Porrati, M. "Topologically massive gravity at the chiral point is not unitary" . Journal of High Energy Physics 2008, no. 10 (2008).
http://dx.doi.org/10.1088/1126-6708/2008/10/045
---------- MLA ----------
Giribet, G., Kleban, M., Porrati, M. "Topologically massive gravity at the chiral point is not unitary" . Journal of High Energy Physics, vol. 2008, no. 10, 2008.
http://dx.doi.org/10.1088/1126-6708/2008/10/045
---------- VANCOUVER ----------
Giribet, G., Kleban, M., Porrati, M. Topologically massive gravity at the chiral point is not unitary. J. High Energy Phys. 2008;2008(10).
http://dx.doi.org/10.1088/1126-6708/2008/10/045