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Conformal Holography of Bulk Elliptic Flow and Heavy Quark Quenching in Relativistic Heavy Ion Collisions
Nuclear Theory · Submitted 13 Sep 2010
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We show that the ``perfect fluid'' elliptic flow of the bulk hadrons and the unexpectedly strong quenching of heavy quark jet fragments in Au+Au reactions at 200 AGeV can be simultaneously accounted for within leading order AdS/CFT holography with a common large t'Hooft coupling $\lambda=g^2_{YM} N_c \sim 30$.
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The abstract, sentence by sentence
We show that the ``perfect fluid'' elliptic flow of the bulk hadrons and the unexpectedly strong quenching of heavy quark jet fragments in Au+Au reactions at 200 AGeV can be simultaneously accounted for within leading order AdS/CFT holography with a common large t'Hooft coupling $\lambda=g^2_{YM} N_c \sim 30$. In contrast, weakly coupled quark-gluon plasma models have so far failed to describe the observed correlation between these soft and hard observables even for couplings extrapolated to $\alpha_s\sim 0.5$. We show that phenomenological applications of the classical trailing string AdS/CFT holographic solution are furthermore remarkably robust to higher order curvature corrections $\mathcal{O}(1/\lambda^{3/2})$ in type IIB supergravity theories, as well as to worldsheet fluctuation corrections $\mathcal{O}(1/\lambda^{1/2})$ that were not considered previously. We emphasize the importance of future measurements at RHIC and LHC of the correlation between {\em identified} charm and beauty quark hard ($p_T > 10-30$ GeV) jet quenching observables and low transverse momenta ($p_T\le 1$ GeV) bulk elliptic flow observables to further tests the limits of applicability of conformal holography to strongly coupled quark-gluon plasma.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We show that the ``perfect fluid'' elliptic flow of the bulk hadrons and the unexpectedly strong quenching of heavy quark jet fragments in Au+Au reactions at 200 AGeV can be simultaneously accounted for within leading order AdS/CFT holography with a common large t'Hooft coupling $\lambda=g^2_{YM} N_c \sim 30$. | result 0.83 | 0.90 | 0.93 | asserted 1.00 |
| s1 | In contrast, weakly coupled quark-gluon plasma models have so far failed to describe the observed correlation between these soft and hard observables even for couplings extrapolated to $\alpha_s\sim 0.5$. | gap 0.66 | 0.08 | 0.05 | asserted 0.99 |
| s2 | We show that phenomenological applications of the classical trailing string AdS/CFT holographic solution are furthermore remarkably robust to higher order curvature corrections $\mathcal{O}(1/\lambda^{3/2})$ in type IIB supergravity theories, as well as to worldsheet fluctuation corrections $\mathcal{O}(1/\lambda^{1/2})$ that were not considered previously. | result 0.95 | 0.86 | 0.09 | asserted 1.00 |
| s3 | We emphasize the importance of future measurements at RHIC and LHC of the correlation between {\em identified} charm and beauty quark hard ($p_T > 10-30$ GeV) jet quenching observables and low transverse momenta ($p_T\le 1$ GeV) bulk elliptic flow observables to further tests the limits of applicability of conformal holography to strongly coupled quark-gluon plasma. | future work 1.00 | 0.09 | 0.07 | asserted 0.55 |
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The paper
Original abstract
We show that the ``perfect fluid'' elliptic flow of the bulk hadrons and the unexpectedly strong quenching of heavy quark jet fragments in Au+Au reactions at 200 AGeV can be simultaneously accounted for within leading order AdS/CFT holography with a common large t'Hooft coupling $\lambda=g^2_{YM} N_c \sim 30$. In contrast, weakly coupled quark-gluon plasma models have so far failed to describe the observed correlation between these soft and hard observables even for couplings extrapolated to $\alpha_s\sim 0.5$. We show that phenomenological applications of the classical trailing string AdS/CFT holographic solution are furthermore remarkably robust to higher order curvature corrections $\mathcal{O}(1/\lambda^{3/2})$ in type IIB supergravity theories, as well as to worldsheet fluctuation corrections $\mathcal{O}(1/\lambda^{1/2})$ that were not considered previously. We emphasize the importance of future measurements at RHIC and LHC of the correlation between {\em identified} charm and beauty quark hard ($p_T > 10-30$ GeV) jet quenching observables and low transverse momenta ($p_T\le 1$ GeV) bulk elliptic flow observables to further tests the limits of applicability of conformal holography to strongly coupled quark-gluon plasma.
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References
How the literature uses it
10 arXiv papers cite this in 12 sentences
Papers citing it · 10 sentences without a confident label
Cites it as background 2 papers
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In this section we will use the proposed formula eloss4 for the energy loss to compute $R_AA$ for pions at RHIC and LHC[For one of the first computations of (heavy quark) $R_AA$ in the AdS/CFT context, see [ref] .].
Shooting String Holography of Jet Quenching at RHIC and LHC · Conformal $R_AA$ · 0.91
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An important parallel effort based on string theory inspired gravity dual holographic models [ref] will not be considered here.
Azimuthal jet flavor tomography with CUJET2.0 of nuclear collisions at RHIC and LHC · Introduction · 0.96
What it cites · 3 sentences without a confident label
Uses data or values from 1 paper
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We consider the 20-60% centrality class because, as shown in Fig. 23 of [ref] , there is good agreement at $p_T∼1$ GeV between STAR $v_2(4)$ and PHENIX $v_2(BBC)$ data and non-flow effects [ref] are reduced.
Systematic Studies of Elliptic Flow Measurements in Au+Au Collisions at sqrt(s_NN) = 200 GeV · Correlation between the heavy quark jet $R_AA$ and bulk elliptic flow · 0.80
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