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|Title:||Experimental schmidt decomposition and state independent entanglement detection|
|Source:||Laskowski, W., Richart, D., Schwemmer, C., Paterek, T., Weinfurter, H. (2012-06-11). Experimental schmidt decomposition and state independent entanglement detection. Physical Review Letters 108 (24) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.108.240501|
|Abstract:||We introduce an experimental procedure for the detection of quantum entanglement of an unknown quantum state with a small number of measurements. The method requires neither a priori knowledge of the state nor a shared reference frame between the observers and can thus be regarded as a perfectly state-independent entanglement witness. The scheme starts with local measurements, possibly supplemented with suitable filtering, which essentially establishes the Schmidt decomposition for pure states. Alternatively we develop a decision tree that reveals entanglement within few steps. These methods are illustrated and verified experimentally for various entangled states of two and three qubits. © 2012 American Physical Society.|
|Source Title:||Physical Review Letters|
|Appears in Collections:||Staff Publications|
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