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On Asymptotic Freedom and Confinement from Type-IIB Supergravity

Kehagias, A and Sfetsos, K (1999) On Asymptotic Freedom and Confinement from Type-IIB Supergravity Phys.Lett. B, 456. pp. 22-27.

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We present a new type-IIB supergravity vacuum that describes the strong coupling regime of a non-supersymmetric gauge theory. The latter has a running coupling such that the theory becomes asymptotically free in the ultraviolet. It also has a running theta angle due to a non-vanishing axion field in the supergravity solution. We also present a worm-hole solution, which has finite action per unit four-dimensional volume and two asymptotic regions, a flat space and an AdS^5\times S^5. The corresponding N=2 gauge theory, instead of being finite, has a running coupling. We compute the quark-antiquark potential in this case and find that it exhibits, under certain assumptions, an area-law behaviour for large separations.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Kehagias, A
Date : 12 March 1999
DOI : 10.1016/S0370-2693(99)00431-1
Uncontrolled Keywords : hep-th, hep-th
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:27
Last Modified : 24 Jan 2020 22:17

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