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Entanglement, partial set of measurements, and diagonality of the density matrix in the parton model
<!--HTML-->We consider the following conundrum: On one hand the proton as a quantum object is in a pure state and is described by a completely coherent wave function with zero entropy. On the other hand in high energy experiments (DIS) when probed by a small external probe, it behaves like an...
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Lenguaje: | eng |
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2020
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Acceso en línea: | http://cds.cern.ch/record/2722450 |