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  1. Does Decoherence get rid of all Quantumness? - Physics Forums

    Jul 29, 2020 · The answer is no and even when decoherence occurs for Wigner's Friend in the lab, quantum coherence remains. Let's start with the paper that illustrates this. Assisted …

  2. What does decoherence have to do with phases? - Physics Forums

    Dec 3, 2022 · Bam, decoherence (well, at least if we call the second particle the "environment"). This can also be noticed in the reduced density matrix, where the off-diagonal elements are …

  3. MWI, decoherence, and interference - Physics Forums

    Mar 21, 2009 · Study the effects of decoherence on quantum systems and its role in measurement outcomes. Explore advanced quantum mechanics topics, including the …

  4. Can Decoherence Explain the Many Worlds Interpretation?

    Oct 29, 2023 · Decoherence is described as the process that leads to the apparent "splitting" of worlds, where interactions with the environment irreversibly disseminate information about …

  5. Comparing Information Loss: Time Dilation vs. Decoherence

    Jul 13, 2024 · TL;DR Summary How do time dilation and decoherence cause apparent information loss? Is perceived information loss in high decoherence environments due to …

  6. Decoherence in the double slit experiment • Physics Forums

    Jan 5, 2018 · Question (1): will the fact that the photons entangled with that matter destroy the interference pattern? I suspect it might, since I think (think) the reason why large molecules …

  7. What is decoherence? • Physics Forums

    Apr 17, 2024 · Decoherence is a unitary process that transforms coherent wave functions into incoherent mixtures due to entanglement with environmental degrees of freedom. It is distinct …

  8. Busting the myth of the observer: the double slit experiment

    Aug 9, 2014 · However, decoherence or not: we still choose where to put the collapse, Yes - you can put the Von-Neumann cut anywhere. What decoherence does however is break the logic …

  9. How Does MWI explain Type I PDC Photon Polarization …

    Jul 31, 2025 · And decoherence has been studied experimentally to a considerable extent, and so far, from what I can gather, it often doesn't happen when our intuition says it should: quantum …

  10. Decoherence & collapse of the wavefunction • Physics Forums

    Mar 13, 2004 · From what I have gathered, whether or not decoherence has solved the measurement problem is still a matter of debate. But to those who say that it does, my …