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Ramaz Khomeriki Javakhishvili Tbilisi State University, GEORGIA Energy

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Presentation on theme: "Ramaz Khomeriki Javakhishvili Tbilisi State University, GEORGIA Energy"— Presentation transcript:

1 Linear and Nonlinear Landau-Zener Tunneling in Optical Directional Coupler
Ramaz Khomeriki Javakhishvili Tbilisi State University, GEORGIA Energy Time

2 R. Khomeriki, S. Ruffo, Phys. Rev. Lett., 94, 113904 (2005)
A. Fratalocchi, G. Assanto, OPTICS EXPRESS, 14, 2021 (2006)

3 Adiabatic Process Diabatic Process

4 Square Double Well Potential

5

6 L. D. Landau, Phys. Z. Sowjetunion 2, 46 (1932).
G. Zener, Proc. R. Soc. London A 137, 696 (1932). Linear Limit: Transition Rate:

7

8 Multiple Linear Landau-Zener Tunneling

9 Nonlinear Landau-Zener Tunneling: B. Wu, Q. Niu, Phys. Rev
Nonlinear Landau-Zener Tunneling: B. Wu, Q. Niu, Phys. Rev. A 61, (2000).

10 ~

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