The quantum teleportation of continuous variables is formulated through the state evolution in the Schrödinger picture from the viewpoint of general quantum-mechnical measurement theory. This method provides the connection between the teleportation and the reversible quantum operations. In this way, the state evolution process of teleportation can be presented clearly step by step, the criterium of teleportation for a coherent state is also deduced.
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- Physics and Astronomy(all)