arXiv:quant-ph/0406173quant-ph
Relativistic quantum mechanics and the Bohmian interpretation
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Abstract
Conventional relativistic quantum mechanics, based on the Klein-Gordon equation, does not possess a natural probabilistic interpretation in configuration space. The Bohmian interpretation, in which probabilities play a secondary role, provides a viable interpretation of relativistic quantum mechanics. We formulate the Bohmian interpretation of many-particle wave functions in a Lorentz-covariant way. In contrast with the nonrelativistic case, the relativistic Bohmian interpretation may lead to measurable predictions on particle positions even when the conventional interpretation does not lead to such predictions.
I don't think it's that simple. A fair amount of work has been done on relativistic extensions of de Broglie-Bohm type theories, e.g. https://arxiv.org/pdf/quant-ph/0406173.pdf
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