2005
DOI: 10.1103/physrevlett.94.181603
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From Target to Projectile and Back Again: Self-Duality of High-Energy Scattering Evolution in QCD

Abstract: We prove that the complete kernel for the high-energy evolution in QCD must be self-dual. The relevant duality transformation is formulated in precise mathematical terms and is shown to transform the charge density into the functional derivative with respect to the single-gluon scattering matrix. This transformation interchanges the high and the low density regimes. We demonstrate that the original Jalilian-Marian-Iancu-McLerran-Weigert-Leonidov-Kovner kernel, valid at large density, is indeed dual to the low … Show more

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Cited by 90 publications
(178 citation statements)
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“…It requires a much better understanding of the non-asymptotic behavior of the solutions of the BK equation with running (41) is the solid line. The dashed line is the approximation (42), and the dashed-dotted line corresponds to the result for a model with running coupling mean-field dynamics plus fixed coupling noise effects. We have taken here Y0 = e 2.5 ≃ 12.…”
Section: Final Resultsmentioning
confidence: 99%
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“…It requires a much better understanding of the non-asymptotic behavior of the solutions of the BK equation with running (41) is the solid line. The dashed line is the approximation (42), and the dashed-dotted line corresponds to the result for a model with running coupling mean-field dynamics plus fixed coupling noise effects. We have taken here Y0 = e 2.5 ≃ 12.…”
Section: Final Resultsmentioning
confidence: 99%
“…This has led to conjecture that high-energy scattering processes in QCD may fall in the same universality class as a reaction-diffusion process [35], extending the mapping from BK to FKPP beyond the mean field approximation. The generalization of the Balitsky and JIMWLK equations including pomeron loops have been investigated 1 through various formalisms [34,[36][37][38][39][40][41][42][43][44]. For example, the QCD evolution equation with pomeron loops has been formulated in [34,38] as a Langevin equation.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, the Hilbert space in the D-representation is not constrained anymore: Indeed, Eq. (3.12) can be inverted to yield 15) showing that any operator built with D is physically acceptable. Thus, as anticipated, by changing from the α to the D-representation we have eliminated all the constraints.…”
Section: Hamiltonian Theory In the D-representationmentioning
confidence: 99%
“…In analogy with Eqs. (4.1)-(4.3) we can write 15) where the gain and loss terms have now the following structure…”
Section: Master Equation For Recombinationmentioning
confidence: 99%
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