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Journal Article

Symmetry breaking aspects of the effective Lagrangian for quantum black holes


Buonanno,  A.
Dipartimento di Fisica dell’Universita;
Istituto Nazionale di Fisica Nucleare, sezione di Pisa;
Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Buonanno, A., Foffa, S., Maggiore, M., & Ungarelli, C. (1996). Symmetry breaking aspects of the effective Lagrangian for quantum black holes. Physics Letters B, 382: IFUP-TH 8/96, pp. 227-232. doi:10.1016/0370-2693(96)00667-3.

Cite as: http://hdl.handle.net/11858/00-001M-0000-0019-BE06-B
The physical excitations entering the effective Lagrangian for quantum black holes are related to a Goldstone boson which is present in the Rindler limit and is due to the spontaneous breaking of the translation symmetry of the underlying Minkowski space. This physical interpretation, which closely parallels similar well-known results for the effective stringlike description of flux tubes in QCD, gives a physical insight into the problem of describing the quantum degrees of freedom of black holes. It also suggests that the recently suggested concept of 'black hole complementarity' emerges at the effective Lagrangian level rather than at the fundamental level.