Risking your NEC

نویسندگان

چکیده

Energy conditions, especially the null energy condition (NEC), are generically imposed on solutions to retain a physically sensible classical field theory and they also play an important role in AdS/CFT duality. Using this duality, we study non-trivially deformed strongly coupled quantum theories at large-$N_c$. The corresponding dual gravity constructions entail use of radially non-monotonic D-brane distributions. backgrounds supersymmetric hence perturbatively stable, do not possess curvature singularities. There no short-cuts through bulk spacetime for signal propagation which assures that duals causal. Nevertheless, some our violate NEC dual. In these cases non-monotonicity distributions is reflected properties renormalization group flow: none $c$-functions proposed literature monotonic. This further suggests behavior within previously known anisotropic does originate from breaking Lorentz invariance. We surmise violations induced by corrections need be considered holographic duals, but can studied already level.

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ژورنال

عنوان ژورنال: Journal of High Energy Physics

سال: 2021

ISSN: ['1127-2236', '1126-6708', '1029-8479']

DOI: https://doi.org/10.1007/jhep10(2021)112