Recently the NIST group demonstrated a two qubit programmable quantum computer,(adsbygoogle = window.adsbygoogle || []).push({});

http://arxiv.org/abs/0908.3031

And another consortium used a two qubit computer in an iterative fashion to compute some properties of the hydrogen molecule.

http://arxiv.org/abs/0905.0887

How many qubits are required in principle to fully describe a hydrogen atom? A hydrogen molecule?

TIA

Jim Graber

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# Two qubits out of how many?

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