Tutorial: Quantum Information & Cold Atoms
Tutorial: Quantum Information & Cold Atoms
Tutorial: Quantum Information & Cold Atoms
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Rydberg – Rydberg interactions<br />
• Rydberg atom in constant electric field<br />
• setup<br />
atom<br />
E<br />
energy<br />
• linear Stark effect<br />
n ~ 15<br />
• Large dipole-dipole interaction<br />
µ 1<br />
Vdipr<br />
µ 2<br />
|r<br />
laser<br />
|g<br />
E<br />
theory: Harvard + Innsbruck +<br />
Storrs, Aarhus<br />
• permanent dipole moment<br />
E 1kV/cm<br />
n 2 huge!<br />
R opt/2 300 nm<br />
E 60 GHz<br />
Vdip 4 GHz<br />
for n 15<br />
22
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