High efficiency Nondistortion Quantum Interrogation of atoms in quantum superpositions

Details High efficiency Nondistortion Quantum Interrogation of atoms in quantum superpositions High efficiency Nondistortion Quantum Interrogation of atoms in quantum superpositions

2001-05-07

arxiv.org/abs/quant-ph/0105023v1

Physics

Quantum Physics

4 pages, 3 figures

Scientific paper

We consider the nondistortion quantum interrogation (NQI) of an atom prepared in a quantum superposition. By manipulating the polarization of the probe photon and making connections to interaction free measurements of opaque objects, we show that nondistortion interrogation of an atom in a quantum superposition can be done with efficiency approaching unity. However, if any component of the atom's superposition is completely transparent to the probe wave function, a nondistortion interrogation of the atom is impossible.

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