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An experimental proposal to study spontaneous collapse of the wave function using two travelling wave parametric amplifiers | T.H.A. van der Reep
; L. Rademaker
; X.G.A. Le Large
; R.H. Guis
; T.H. Oosterkamp
; | Date: |
13 Nov 2018 | Abstract: | According to one of the postulates of the Copenhagen interpretation of
quantum mechanics, a measurement causes a wave function to collapse into a
well-defined classical state. To study whether such spontaneous collapses exist
in an electronic amplifier, we propose an experiment consisting of a microwave
interferometer that has a parametric amplifier added to each of its arms.
Feeding the interferometer with single photons, we entangle the output of the
amplifiers. We calculate the interference visibility as given by standard
quantum mechanics as a function of gain, insertion loss and temperature and
find a magnitude of $1/3$ in the limit of large gain without taking into
account losses. This number reduces to $0.26$ in case the insertion loss of the
amplifiers is $2.2$ dB at a temperature of $50$ mK. We argue, based on Born’s
rule that if the process of spontaneous collapses exists, we will measure a
reduced visibility compared to the prediction from standard quantum mechanics
once this collapse process sets in. | Source: | arXiv, 1811.1698 | Services: | Forum | Review | PDF | Favorites |
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