Light-cone quantization of quantum chromodynamics

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We discuss the light-cone quantization of gauge theories from two perspectives: as a calculational tool for representing hadrons as QCD bound-states of relativistic quarks and gluons, and also as a novel method for simulating quantum field theory on a computer. The light-cone Fock state expansion of wavefunctions at fixed light cone time provides a precise definition of the parton model and a general calculus for hadronic matrix elements. We present several new applications of light-cone Fock methods, including calculations of exclusive weak decays of heavy hadrons, and intrinsic heavy-quark contributions to structure functions. A general nonperturbative method for numerically solving ... continued below

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Pages: (45 p)

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Brodsky, S.J. (Stanford Linear Accelerator Center, Menlo Park, CA (USA)) & Pauli, H.C. (Max-Planck-Institut fuer Kernphysik, Heidelberg (Germany, F.R.)) June 1, 1991.

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We discuss the light-cone quantization of gauge theories from two perspectives: as a calculational tool for representing hadrons as QCD bound-states of relativistic quarks and gluons, and also as a novel method for simulating quantum field theory on a computer. The light-cone Fock state expansion of wavefunctions at fixed light cone time provides a precise definition of the parton model and a general calculus for hadronic matrix elements. We present several new applications of light-cone Fock methods, including calculations of exclusive weak decays of heavy hadrons, and intrinsic heavy-quark contributions to structure functions. A general nonperturbative method for numerically solving quantum field theories, discretized light-cone quantization,'' is outlined and applied to several gauge theories, including QCD in one space and one time dimension, and quantum electrodynamics in physical space-time at large coupling strength. The DLCQ method is invariant under the large class of light-cone Lorentz transformations, and it can be formulated such at ultraviolet regularization is independent of the momentum space discretization. Both the bound-state spectrum and the corresponding relativistic light-cone wavefunctions can be obtained by matrix diagonalization and related techniques. We also discuss the construction of the light-cone Fock basis, the structure of the light-cone vacuum, and outline the renormalization techniques required for solving gauge theories within the light-cone Hamiltonian formalism.

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Pages: (45 p)

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OSTI; NTIS; INIS; GPO Dep.

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  • 30. Schladming winter school in particle physics on field theory, Schladming (Austria), Mar 1991

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  • Other: DE91013991
  • Report No.: SLAC-PUB-5558
  • Report No.: CONF-9103180--1
  • Grant Number: AC03-76SF00515
  • Office of Scientific & Technical Information Report Number: 5543548
  • Archival Resource Key: ark:/67531/metadc1092975

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  • June 1, 1991

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  • Feb. 10, 2018, 10:06 p.m.

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  • May 29, 2018, 12:59 p.m.

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Brodsky, S.J. (Stanford Linear Accelerator Center, Menlo Park, CA (USA)) & Pauli, H.C. (Max-Planck-Institut fuer Kernphysik, Heidelberg (Germany, F.R.)). Light-cone quantization of quantum chromodynamics, article, June 1, 1991; Menlo Park, California. (digital.library.unt.edu/ark:/67531/metadc1092975/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.