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Overcoming a challenge for Bohmian mechanics

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arxiv 2507.08049 v1 pith:X3CMRTSR submitted 2025-07-10 quant-ph hep-th

classification quant-phhep-th
keywords bohmianvelocitychallengegradientmechanicsonlyphasealways
verification ladder T0 review T1 audit T2 compute T3 formal
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Recently, Bohmian mechanics has been challenged [Nature 643, 67 (2025)] by studying a system in which the motion of particles cannot be associated only with the gradient of phase of the wave function. We point out that, in general, Bohmian velocity is defined by the continuity equation, which does not always lead to velocity depending only on the phase gradient. By constructing the appropriate velocity explicitly, we overcome the challenge.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Modular Variables and the Limits of Phase Detectability in Open Quantum Systems

    quant-ph 2026-05 unverdicted novelty 5.0 of 10

    Modular variables retain phase sensitivity in non-overlapping wave-packet superpositions under gravity and Caldeira-Leggett decoherence when evaluated locally via Bohmian trajectories, unlike probability density or current.

  2. Actual and weak actual values in Bohmian mechanics

    quant-ph 2025-12 conditional novelty 4.0 of 10

    In Bohmian mechanics, Holland's local expectation values equal the real part of position-postselected weak values, and the disputed waveguide experiment's 'speed' parameter is identified as the amplitude decay rate in...

  3. Critical Reflections on Overcoming a Challenge for Bohmian Mechanics by H. Nikolic and the Experimental Findings of Sharoglazova et al

    quant-ph 2025-07 unverdicted novelty 2.0 of 10

    A critical commentary claiming Nikolic's reply to Sharoglazova et al. fails because it relies on the very formula it rejects and ignores entanglement.

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