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周正威
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期刊论文
High-efficiency nondistortion quantum interrogation of atoms in quantum superpositions
PHYSICAL REVIEW A, VOLUME 64, 020101，-0001，（）：
We consider the nondistortion quantum interrogation 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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