Classical Soliton as a Limit of the Quantum Field Theory

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  • Wadachi Miki
    Institute of Physics, College of Arts and Sciences, University of Tokyo
  • Sakagami Masa-aki
    National Laboratory for High Energy Physics (KEK) Department of Physics, Osaka University

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  • Classical Soliton as a Limit of the Qua

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In the Nonlinear Schrödinger model, the correspondence between classical soliton and its quantum field theory is investigated. It is shown explicitly that moving soliton as well as soliton at rest arise as the matrix elements of a field operator in the limit n→∞, where n is the particle number making the bound state.

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