Pipa, Francisco
(2023)
Beyond the Wigner’s friend dilemma: A new indeterminacy-based quantum theory.
[Preprint]
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Beyond the Wigner’s friend dilemma- A new indeterminacy-based quantum theory.pdf
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Abstract
I propose a novel (interpretation of) quantum theory, which I will call Environmental Determinacy-based or EnD Quantum Theory (EnDQT). In contrast to the well-known interpretations of quantum theory, EnDQT doesn’t modify its equations or add hidden variables, is not in tension with relativity, and provides a local causal explanation of Bell-type correlations without measurement outcomes varying according to perspectives or worlds. Unlike collapse theories, in principle, arbitrary systems can be placed in a superposition for an arbitrary amount of time, and no modifications of the equations of quantum theory are required. Furthermore, it provides a series of novel empirical posits that may distinguish it from other interpretations of quantum theory. According to EnDQT, some systems acquire determinate values at some point, and the capacity to give rise to determinate values through interactions propagates to other systems in spacetime via local interactions. This process can be represented via certain networks. When there is isolation from the rest of the systems that belong to these networks, such as inside the friend’s isolated lab in the extended Wigner’s friend scenarios, indeterminate values non-relationally arise inside.
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