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Single-particle nonlocality and entanglement with the vacuum
KTH, Tidigare Institutioner                               , Mikroelektronik och informationsteknik, IMIT.ORCID-id: 0000-0002-2082-9583
2001 (engelsk)Inngår i: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 6404, nr 4Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We propose a single-particle experiment that is equivalent to the conventional two-particle experiment used to demonstrate a violation of Bell's inequalities. Hence, we argue that quantum mechanical nonlocality can be demonstrated by single-particle states. The validity of such a claim has been discussed in the literature, but without reaching a clear consensus. We show that the disagreement can be traced to what part of the total state of the experiment one assigns to the (macroscopic) measurement apparatus. However, with a conventional and legitimate interpretation of the measurement process one is led to the conclusion that even a single particle can show nonlocal properties.

sted, utgiver, år, opplag, sider
2001. Vol. 6404, nr 4
Emneord [en]
room-temperature, molecule fluorescence, quantum-mechanics, phase operator, photon states, bell theorem, inequalities, light
Identifikatorer
URN: urn:nbn:se:kth:diva-21022ISI: 000171609900014OAI: oai:DiVA.org:kth-21022DiVA, id: diva2:339719
Merknad
QC 20100525Tilgjengelig fra: 2010-08-10 Laget: 2010-08-10 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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