Holographic Energy Correlators for Confining Theories
arxiv(2024)
摘要
We present a holographic calculation of energy correlators in a simple model
of confinement based on a warped extra dimension with an IR brane. For small
distances we reproduce the constant correlators of a strongly-coupled conformal
field theory, while for large distances the effects of confinement dominate and
the correlators decay exponentially. We find exact shockwave solutions to the
Einstein equations in the presence of the IR brane, hence avoiding the need for
a perturbative expansion in terms of Witten diagrams. While some of the
expected qualitative features of energy correlators in quantum chromodynamics
(QCD) are reproduced, our crude model of confinement does not capture the
effects of asymptotic freedom nor exhibit jetty behavior. We expect that our
method can also be applied to more realistic models of confinement
incorporating asymptotic freedom, which should fix some of the deviations from
QCD.
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