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Summary form only given. One of the key elements of quantum communication is the generation of maximally entangled states between distant nodes of a quantum network. We present an entanglement purification scheme which generates maximally entangled states in finite Hilbert spaces from the continuous two-mode squeezed states. With high probabilities, we get a more entangled stale, and the entanglement...
Summary form only given. Entangled states of multi-particle systems are arguably the quintessential feature of quantum mechanics. In addition to their central role in discussions of non-local quantum correlations, they form the basis of quantum information, and enable such phenomena as quantum cryptography, quantum dense coding, teleportation, and quantum computation. Via the process of spontaneous...
Summary form only given. The notion of entanglement was coined by Erwin Schrodinger in order to signify the peculiar properties of quantum correlations. Entanglement is at the heart of the Einstein-Podolsky-Rosen paradox and Bell's theorem. While, originally, entanglement was considered to be a very important fundamental concept in quantum mechanics leading to such concepts as quantum nonlocality,...
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