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Gravitational decoherence

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Hypothetical mechanisms by which gravitation can cause quantum decoherence

Gravitational decoherence is a term for hypothetical mechanisms by which gravitation can act on quantum mechanical systems to produce decoherence. Advocates of gravitational decoherence include Frigyes Károlyházy, Roger Penrose and Lajos Diósi.

A number of experiments have been proposed to test the gravitational decoherence hypothesis.

Dmitriy Podolskiy and Robert Lanza have argued that gravitational decoherence may explain the existence of the arrow of time.

See also

References

  1. ^ Wolchover, Natalie (March 6, 2018). "Physicists Find a Way to See the 'Grin' of Quantum Gravity". Quanta Magazine. Retrieved 2021-02-13.
  2. Musser, George (2020-09-07). "One of quantum physics' greatest paradoxes may have lost its leading explanation". Science | AAAS. Retrieved 2021-02-13.
  3. Pfister, C.; Kaniewski, J.; Tomamichel, M.; Mantri, A.; Schmucker, R.; McMahon, N.; Milburn, G.; Wehner, S. (2016-10-03). "A universal test for gravitational decoherence". Nature Communications. 7 (1): 13022. doi:10.1038/ncomms13022. ISSN 2041-1723. PMC 5063961. PMID 27694976.
  4. Marshall, William; Simon, Christoph; Penrose, Roger; Bouwmeester, Dik (2003-09-23). "Towards Quantum Superpositions of a Mirror". Physical Review Letters. 91 (13): 130401. arXiv:quant-ph/0210001. doi:10.1103/PhysRevLett.91.130401. PMID 14525288. S2CID 16651036.
  5. Podolskiy, Dmitriy; Lanza, Robert (October 2016). "On decoherence in quantum gravity". Annalen der Physik. 528 (9–10): 663–676. arXiv:1508.05377. doi:10.1002/andp.201600011. ISSN 0003-3804.


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