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On the role of entanglement in Schrödinger's cat paradox
2008
Open Physics
AbstractIn this paper we re-investigate the core of Schrödinger's "cat paradox". We argue that one has to distinguish clearly between superpositions of macroscopic cat states |☺〉 + |☹〉 and superpositions of entangled states |☺, ↑〉 + |☹, ↓〉 which comprise both the state of the cat (☺=alive, ☹=dead) and the radioactive substance (↑=not decayed, ↓=decayed). It is shown, that in the case of the cat experiment recourse to decoherence or other mechanisms is not necessary in order to explain the
doi:10.2478/s11534-008-0021-5
fatcat:2t2yqhfw2fdf5lp7nrhe2kxqxy