Feshbach Resonance ·
Tuning Atomic Interactions
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.com · open & closed channels · magnetic tuning of a
Field B
0 G
Scattering length a
0 a₀
phase
—
Open channel (E ≈ 0)
Closed channel + bound state
a(B) dispersive curve
Colliding atoms
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.com · Feshbach Resonance: Tuning Atomic Interactions with a Magnetic Field