Tutorial: Quantum Information & Cold Atoms
Tutorial: Quantum Information & Cold Atoms
Tutorial: Quantum Information & Cold Atoms
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1. Teleportation<br />
Bennett et al. PRL '93; exp with photons: Innsbruck, Rome, Caltech<br />
|φi<br />
C<br />
Alice Bob<br />
A<br />
noise<br />
|AB |0A|1B |1A|0B (singlet)<br />
EPR pair<br />
• Assume: Alice and Bob share a singlet state (given resource)<br />
• Idea: Alice can transmit a qubit to Bob without physically sending the<br />
qubit<br />
B<br />
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