Hi, I'm a college student who is taking an introductory QM course, therefore I obviously have very little background in the subject. Forgive me if the questions seem non-sensical to those of you who have far more knowledge of the subject. I have only recently discovered this forum and have found the all the responses, and in those by particular Zapper Z and Vanesch, very edifying.(adsbygoogle = window.adsbygoogle || []).push({});

1) Recently we have learned about the leading interpretations of QM- in the "standard" Copenhagen Interpretation, the wavefunction represent our knowlege of a quantum system. Would Feynmann's sum of all histories approach contradict this, or are the two compatible. Does Tony Leggett's Ston Brook experiments shed any light on the nature of superpositions?(I'm sure this has to do with wave/particle duality, but I can't get a concensus on whether the wavefunction is an objectively real entity).

2) How do Zurek's Quantum Darwinism approach differ from Many Worlds? Does he explain what happens to the other potentialities in a quantum superposition?

Thank you in adavance for any help you can give me.

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