A Sine-Lattice(Sine-Form Discrete Sine-Gordon)Equation--One-and Two-Kink Solutions and Physical Models
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- Takeno Shozo
- Department of Physics, Faculty of Engineering and Design, Kyoto Institute of Technology
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- Homma Shigeo
- Department of Applied Physics, Faculty of Engineering, Nagoya University
書誌事項
- タイトル別名
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- A Sine-Lattice (Sine-Form Discrete Sine-Gordon) Equation —One-and Two-Kink Solutions and Physical Models—
- A Sine Lattice Sine Form Discrete
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抄録
A sine-lattice (SL) (sine-form discrete sine-Gordon) equation defined as sin (un+1−un)−sin (un−un−1)−\ddotun=g sin un is studied. By introducing a dependent variable transformation and the Hirota D-operators, it can be recast into a bilinear operator form similar to that of the sine-Gordon (SG) equation. This shows that the SL equation is much closer in its soliton properties to the SG equation than the discrete SG equation with the difference factor un+1+un−1−2un. It is shown that the SL equation yields, though not mathematically exact, but well-defined, one-kink and specific two-kink solutions. A numerical calculation which lends support to this is also presented. Several physical models are discussed where the SL equation appears as a more natural model field equation than the discrete SG equation.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 55 (1), 65-75, 1986
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204186638720
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- NII論文ID
- 110001967710
- 210000093162
- 130003739538
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1986JPSJ...55...65T
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- ISSN
- 13474073
- 00319015
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- MRID
- 835603
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- NDL書誌ID
- 3064537
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可