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<p>In a rigid rod of length AB <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="10773_2025_5932_Article_IEq1.gif" Format="GIF" Height="14" Rendition="HTML" Resolution="72" Type="Linedraw" Width="33" /> </InlineMediaObject> <EquationSource Format="TEX">\(=L\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mo>=</mo> <mi>L</mi> </mrow> </math></EquationSource> </InlineEquation>, rotating uniformly, any two spatially separated points along the rod are connected in a way that shows analogies with the quantum entanglement of the spin of particles. This "classical entanglement" can be used for syncing two distant clocks, one at A and the other at B. Since it differs from Einstein synchronization, this procedure can be adopted for testing the one-way light speed and Lorentz invariance. Applications to optical Sagnac effects confirm that a consistent interpretation requires the adoption of absolute versus relative simultaneity.</p>

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Entangled Simultaneity: Testing Lorentz and Light Speed Invariance with Quantum and Classical Entanglement

  • 期刊论文

  • 发表日期：

    2025年3月13日

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  • Gianfranco Spavieri,
  • Ramón Carrasquero,
  • Antonio Contreras,
  • Kevin Durán,
  • Andrés Flores,
  • Juan Carlos Mendoza

摘要

In a rigid rod of length AB \(=L\) = L , rotating uniformly, any two spatially separated points along the rod are connected in a way that shows analogies with the quantum entanglement of the spin of particles. This "classical entanglement" can be used for syncing two distant clocks, one at A and the other at B. Since it differs from Einstein synchronization, this procedure can be adopted for testing the one-way light speed and Lorentz invariance. Applications to optical Sagnac effects confirm that a consistent interpretation requires the adoption of absolute versus relative simultaneity.