Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-08-02
Phys.Atom.Nucl.58:300-308,1995; Yad.Fiz.58N2:348-356,1995
Physics
High Energy Physics
High Energy Physics - Phenomenology
28 pages, preprint ITEP 45-94
Scientific paper
The light-cone Hamiltonian is derived from the general gauge -- and Lorentz -- invariant expression for the $q\bar{q}$ Green's function, containing confinement via the area law for the Wilson loop.The resulting Hamiltonian contains in a nonadditive way contributions from quark and string degrees of freedom. Different limiting dynamical regimes of the system of quarks connected by the string are found. In the limit of no transverse motion one recovers the t'Hooft's 1+1 QCD Hamiltonian. The correspondence with the rest frame Hamiltonian spectrum is established. The important notion of the light-cone string, contributing significantly to the energy--momentum is discussed.
Dubin Andrey Yu.
Kaidalov Alexei B.
Simonov Yu. A.
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