Presentation 2005/6/9
Difference between Random Walk and Wave Propagation by Discrete Time Analysis
Nobuo NAGAI,
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Abstract(in English) The simplest definition of the random walk is given by discrete time and probability distribution, and presented by the binomial theorem. That is, the distribution of random walk is presented by a term for a position x. In electromagnetic theory electric and magnetic fields satisfy the same wave equation derived from Maxwell equations. The solutions for the wave equation are expressed by two moving waves, i.e. forward wave and backward wave, and two waves appear at different time for a position x. So we try to present wave propagation by discrete time representation. As a result, the forward and backward waves are presented by different geometrical progressions respectively. This means that we need coherent wave for the resonance occurring in wave function.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Random walk and binomial theorem / Discrete time presentation / Lossless Telegraphers' equations and wave equation / Discrete time presentation for wave function / Forward and backward waves and resonant phenomena
Paper # SIS2005-11
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Committee SIS
Conference Date 2005/6/9(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Difference between Random Walk and Wave Propagation by Discrete Time Analysis
Sub Title (in English)
Keyword(1) Random walk and binomial theorem
Keyword(2) Discrete time presentation
Keyword(3) Lossless Telegraphers' equations and wave equation
Keyword(4) Discrete time presentation for wave function
Keyword(5) Forward and backward waves and resonant phenomena
1st Author's Name Nobuo NAGAI
1st Author's Affiliation Faculty of Economics, Hokusei Gakuen University()
Date 2005/6/9
Paper # SIS2005-11
Volume (vol) vol.105
Number (no) 111
Page pp.pp.-
#Pages 6
Date of Issue