Interference Pattern Formation between Bound Solitons and Radiation in Momentum Space: Possible Detection of Radiation from Bound Solitons with Bose--Einstein Condensate of Neutral Atoms

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概要

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• We propose an indirect method for observing radiation from an incomplete soliton with a sufficiently large amplitude. We show that the radiation causes a notched structure on the envelope of the wave packet in the momentum space. The origin of this structure is the interference between the main body of oscillating solitons and the small radiation in the momentum space. We numerically integrate the nonlinear Schrödinger equation and perform Fourier transformation to confirm that the predicted structure really appears. We also show a simple model which reproduces the qualitative result. The experimental detection of the notched structure with the Bose--Einstein condensation of neutral atoms is discussed and suitable parameters for this detection experiment are shown.

• 2012-10-15

著者

• Yajima Tetsu

  Department Of Applied Physics Faculty Of Engineering University Of Tokyo

• Okumura Masahiko

  CCSE, Japan Atomic Energy Agency

• Mine Makoto

  Waseda University Honjo Senior High School, Honjo, Saitama 367-0032, Japan

• FUJISHIMA Hironobu

  Optics R&D Center, CANON Inc., Utsunomiya 323-3298, Japan

• Yajima Tetsu

  Department of Information Systems Science, Graduate School of Engineering, Utsunomiya University, Utsunomiya 321-8585, Japan

• Fujishima Hironobu

  Optics R&D Center, CANON Inc., Utsunomiya 323-3298, Japan

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