Symplectic approach to lightcone QCD

Details Symplectic approach to lightcone QCD Symplectic approach to lightcone QCD

2009-08-02

arxiv.org/abs/0908.0139v3

Nucl. Phys. A836:136-158, 2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages, new title; final version

Scientific paper

10.1016/j.nuclphysa.2010.01.163

We develop a symplectic method of quantization of lightcone QCD. We find that boundary gauge fields are crucial for a consistent and complete quantization. By applying the symplectic Faddeev-Jackiw method, we very carefully remove unphysical degrees of freedom and obtain the true phase space and the complete Hamiltonian. The result is important for the high energy QCD evolution and for a further extension of the JIMWLK equation, for which we find the second-order correction. Finally, we make an important note about a peculiarity of four space-time dimensions. In additional, our method sheds new light on the lightcone quantization of a scalar field.

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