Extensive numerical study of a D-brane, anti-D-brane system in AdS 5 /CFT 4

Hegedüs, Árpád (2015) Extensive numerical study of a D-brane, anti-D-brane system in AdS 5 /CFT 4. JOURNAL OF HIGH ENERGY PHYSICS, 2015 (4). ISSN 1126-6708

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Abstract

In this paper the hybrid-NLIE approach of [38] is extended to the ground state of a D-brane anti-D-brane system in AdS/CFT. The hybrid-NLIE equa- tions presented in the paper are finite component alternatives of the previously proposed TBA equations and they admit an appropriate framework for the numerical investigation of the ground state of the problem. Straightforward numerical iterative methods fail to converge, thus new numerical methods are worked out to solve the equations. Our numerical data confirm the previous TBA data. In view of the numerical results the mysterious L = 1 case is also commented in the paper.

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