21 May 2015 Considerations on collapse of the wavefunction
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Abstract
We investigate the specific form that the collapsed quantum state of a signal photon can take when its entangled idler is measured in an entangled ghost imaging configuration using a type II collinear phase matched spontaneous parametric downconversion (SPDC) interaction. Calculations of the correlated counting rate distributions in the ghost image plane and diffraction plane show that agreement between collapse and non-collapse models is obtained if the signal is assumed to collapse into a specific mixed state. However, if the signal is assumed to collapse into a pure state, significant differences arise between the predictions of the two collapse models.
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J. Reintjes, Mark Bashkansky, "Considerations on collapse of the wavefunction", Proc. SPIE 9500, Quantum Information and Computation XIII, 95000U (21 May 2015); doi: 10.1117/12.2176377; https://doi.org/10.1117/12.2176377
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