Abstract
The issue is to seekquantum interference effects in an arbitrary field, in particular in psychology. For this I invent a digest of quantum mechanics over finite-n-dimensional Hilbert space. In order to match crude data, I use not only von Neumann's mixed states but also a parallel notion of unsharp tests. The mathematically styled text (and earlier work on multibin tests, designated MB) deals largely with these new tests. Quantum psychology itself is only given a foundation. It readily engenders objections; hence I develop its plausibility gradually, in interlocking essays. There is also the empirically definite proposal that (state, test, outcome)-indexed counts be gathered to record data, then fed to a “matrix format” (MF) search for quantum models. A previously proposed experiment in visual perception, which has since failed to find significant quantum correlations, is discussed. The suspicion that quantum mechanics is all around us goes beyond MF, and “Schrödinger's cat” symbolizes this broader perspective.
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Lubkin, E. Schrödinger's cat. Int J Theor Phys 18, 519–600 (1979). https://doi.org/10.1007/BF00670383
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DOI: https://doi.org/10.1007/BF00670383