Instability of Solitons in Imaginary Coupling Affine Toda Field Theory
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概要
- 論文の詳細を見る
Affine Toda field theory with a pure imaginary coupling constant is a non-hermitian theory. Therefore the solutions of the equation of motion are complex. However, in 1+1 dimensions it has many soliton solutions with remarkable properties, such as real total energy/momentum and mass. Several authors calculated quantum mass corrections of the solitons by claiming these solitons are stable. We show that there exists a large class of classical solutions which develops singularity after a finite lapse of time. Stability claims, in earlier literature, were made ignoring these solutions. Therefore we believe that a formulation of quantum theory on an firmer basis is necessary in general and for the quantum mass corrections of solitons, in particular.
- 理論物理学刊行会の論文
- 1996-03-25
著者
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SASAKI Ryu
Yukawa Institute for Theoretical Physics, Kyoto University
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Sasaki R
Kyoto Univ. Kyoto Jpn
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Sasaki Ryu
Yukawa Institute For Theoretical Physics Kyoto University
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Khastgir S.
Yukawa Institute For Theoretical Physics Kyoto University
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