Year: 2015
Type: article
Abstract: We study the screening length $$L_{\mathrm{max}}$$ of a moving quark–antiquark pair in a hot plasma, which lives in a two sphere, $$S^2$$ , using the AdS/CFT correspondence in which the corresponding background metric is the four-dimensional Schwarzschild–AdS black hole. The geodesic of both ends of the string at the boundary, interpreted as the quark–antiquark pair, is given by a stationary motion in the equatorial plane by which the separation length L of both ends of the string is parallel to the angular velocity $$\omega $$ . The screening length and total energy H of the quark–antiquark pair are computed numerically and show that the plots are bounded from below by some functions related to the momentum transfer $$P_c$$ of the drag force configuration. We compare the result by computing the screening length in the reference frame of the moving quark–antiquark pair, in which the background metrics are “Boost-AdS” and Kerr–AdS black holes. Comparing both black holes, we argue that the mass parameters $$M_{\mathrm{Sch}}$$ of the Schwarzschild–AdS black hole and $$M_{\mathrm{Kerr}}$$ of the Kerr–AdS black hole are related at high temperature by $$M_{\mathrm{Kerr}}=M_{\mathrm{Sch}}(1-a^2l^2)^{3/2}$$ , where a is the angular momentum parameter and l is the AdS curvature.
Source: The European Physical Journal C
Authors: A. Nata Atmaja, H. Abu Kassim, N. Yusof
Institutions: Indonesian Institute of Sciences, University of Malaya
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: diamond
Funder: Universiti Malaya
Awards: G3205091608, G8037575895
OpenAlex ID: W3100511792