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Each Instant of Time a New Universe

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Abstract

We present an alternative view of quantum evolution in which each moment of time is viewed as a new “universe” and time evolution is given by correlations between them. [Editors note: for a video of the talks given by Prof. Aharonov at the Aharonov-80 conference in 2012 at Chapman University, see quantum.chapman.edu/talk-3 and quantum.chapman.edu/talk-30 and by Prof. Popescu, see quantum.chapman.edu/talk-31.]

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Notes

  1. 1.

    In a completely different context, superpositions of time evolutions were discussed in [4] and experimentally verified in [5].

  2. 2.

    In the standard language this outcome corresponds to the Krauss operator α|↑〉〈↑|+β|↓〉〈↓|.

References

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Acknowledgements

S.P. acknowledges support from the European Research Council ERC Advanced Grant NLST, EU grant Q-Essence and the Templeton Foundation. We thank Ildi Popescu for her artistic assistance with Fig. 3.1.

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Correspondence to Jeff Tollaksen .

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© 2014 Springer-Verlag Italia

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Aharonov, Y., Popescu, S., Tollaksen, J. (2014). Each Instant of Time a New Universe. In: Struppa, D., Tollaksen, J. (eds) Quantum Theory: A Two-Time Success Story. Springer, Milano. https://doi.org/10.1007/978-88-470-5217-8_3

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