arXiv:1811.11643quant-ph
Bohmian mechanics for instrumentalists
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Abstract
We formulate Bohmian mechanics (BM) such that the main objects of concern are macroscopic phenomena, while microscopic particle trajectories only play an auxiliary role. Such a formulation makes it easy to understand why BM always makes the same measurable predictions as standard quantum mechanics (QM), irrespectively of the details of microscopic trajectories. Relativistic quantum field theory (QFT) is interpreted as an effective long-distance theory that at smaller distances must be replaced by some more fundamental theory. Analogy with condensed-matter physics suggests that this more fundamental theory could have a form of non-relativistic QM, offering a simple generic resolution of an apparent conflict between BM and relativistic QFT.
Yes > The 19th century Lorentzian ether theory was ruled out by the famous Michelson-Morley experiment, which ruled out the possibility that the Earth moves through the ether. What we propose here is that the Earth (and everything else) is made of ether. No experiment so far…
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