Download - Why NonLinear Physics? Everything is Nonlinear –Macro Systems –Gauge Theory, General Relativity Qualitative Differences from Linear Case –Chaos / Fractals.

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Page 1: Why NonLinear Physics? Everything is Nonlinear –Macro Systems –Gauge Theory, General Relativity Qualitative Differences from Linear Case –Chaos / Fractals.

Why NonLinear Physics?

• Everything is Nonlinear– Macro Systems– Gauge Theory, General Relativity

• Qualitative Differences from Linear Case– Chaos / Fractals– Solitons– Self-Organization / Complexity

Page 2: Why NonLinear Physics? Everything is Nonlinear –Macro Systems –Gauge Theory, General Relativity Qualitative Differences from Linear Case –Chaos / Fractals.

History

• Rayleigh-Benard: Patterns

• Russell: Soliton Waves

• Poincare: 3-Body Problem

• Von Neumann: Cellular Automata

• Lorenz: Weather Model

• Mandelbrot: Fractals

• Prigogine: Brusselator

Page 3: Why NonLinear Physics? Everything is Nonlinear –Macro Systems –Gauge Theory, General Relativity Qualitative Differences from Linear Case –Chaos / Fractals.

Recent Interests

• Statistical Mechanics– Ergodic Problem

• Complexity– Turbulence / Noises– Life

• Natural Laws As Codes– S. Wolfram, “A New Kind od Science”

Page 4: Why NonLinear Physics? Everything is Nonlinear –Macro Systems –Gauge Theory, General Relativity Qualitative Differences from Linear Case –Chaos / Fractals.

NonLinear Physicswith Mathematica (Maple)

for Scientists and Engineers

R.H.Enns and G.C.McGuireSimon Fraser University

Birkhauser 2001 (1997)

Page 5: Why NonLinear Physics? Everything is Nonlinear –Macro Systems –Gauge Theory, General Relativity Qualitative Differences from Linear Case –Chaos / Fractals.

Content

1. Introduction

2. Nonlinear Systems. Part I

3. Nonlinear Systems. Part II

4. Topological Analysis

5. Analytic Methods

6. The Numerical Approach

Page 6: Why NonLinear Physics? Everything is Nonlinear –Macro Systems –Gauge Theory, General Relativity Qualitative Differences from Linear Case –Chaos / Fractals.

7. Limit Cycles

8. Forced Oscillators

9. Nonlinear Maps

10.Nonlinear PDE Phenomena

11.Numerical Simulation

12. Inverse Scattering Method

Page 7: Why NonLinear Physics? Everything is Nonlinear –Macro Systems –Gauge Theory, General Relativity Qualitative Differences from Linear Case –Chaos / Fractals.

References

• R.L.Zimmerman, F.I.Olness“Mathematica for Physics”, Addison Wesley (1995)

• D.Gulick, “Encounter with Chaos”, McGraw Hill (1992)

• R.C. Hilborn, “Chaos & Nonlinear Dynamics”, 2nd ed.,Oxford Univ Press (2000)

Page 8: Why NonLinear Physics? Everything is Nonlinear –Macro Systems –Gauge Theory, General Relativity Qualitative Differences from Linear Case –Chaos / Fractals.

Web Site: http://ckw.phys.ncku.edu.tw

Email:

[email protected]