In the planar limit of the Myers-Perry black hole, increasing the boost parameter makes the imaginary quarkonium potential appear at smaller separations and enlarges the thermal width, most strongly for transverse pair orientation.
The Imaginary Potential and Thermal Width of Moving Quarkonium from Holography
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abstract
We study the effect of finite 't Hooft coupling corrections on the imaginary potential and the thermal width of a moving heavy quarkonium from the AdS/CFT correspondence. To study these corrections, we consider $\mathcal{R}^4$ terms and Gauss$-$Bonnet gravity. We conclude that the imaginary potential of a moving or static heavy quarkonium starts to be generated for smaller distances of quark and antiquark. Similar to the case of static heavy quarkonium, it is shown that by considering the corrections the thermal width becomes effectively smaller. The results are compared with analogous calculations in a weakly coupled plasma.
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Imaginary potential and thermal width in the spinning black hole background from holography
In the planar limit of the Myers-Perry black hole, increasing the boost parameter makes the imaginary quarkonium potential appear at smaller separations and enlarges the thermal width, most strongly for transverse pair orientation.