# Mikrowelt: Bose-Einstein-Kondensat/Photonenstatistik

Branching Point:

Quantum Chaos

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In the old quantum theory

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On the applicability of Bohr's atomic model ...

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An extension of the Bohr-Sommerfeld quantum condition ...

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In a *note added in proof* of his 1917 article ...

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Chaotic dynamics

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Sensible Dependence on Initial Conditions

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Fixpoint Attractor

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Limit Cycle

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Torus Attractor

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Strange Attractor

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Classical Chaos

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Rydberg Atoms ...

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The Quantum Mechanical Picture ...

Ioffe-Pritchard Trap

In contrast to the electrical capture of ions in both Paul and ring traps, confinement of neutral atoms, as for the Bose-Einstein condensation, is mostly achieved via external magnetic fields. They use the weakly outwards penetrating remainder of the field between electron hull and atomic nucleus in order to exert a pressure inwards, directed to the center of the trap.

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