Analytic model for elastic scattering losses from colliding condensates M. Trippenbach P. Zin, J....
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Analytic model for elastic scattering losses from colliding condensates
M. TrippenbachP. Zin, J. Chwedenczuk, A. Perez Physics Department, Warsaw University,Yehuda BandChemistry Department, Ben Gurion University
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Spontaneous & Stimulated – processes
Examples from Quantum Optics
Examples from BEC (elastic scattering)
Stochastic Approach
Benchmark – our simple quantum model to study
properties of the scattered atoms
Outline
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Parametric down conversion
aaaaH *
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Superradiance
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Bragg Scattering
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Elastic collisions
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Model - 1
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Model - 2
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Model - 3
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Summary
We presented FULL quantum model (multimodel) to study how spontaneously initiated emission can get into stimulated mode
Scattered atoms form a squeezed state that can be viewed as a multi-component condensate.
Not only are we able to calculate the dynamics of mode occupation, but also the full statistics of scattered atoms.
Test ground for other (stochastic) methods