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Quantum-vacuum geometric phases in the noncoplanarly curved fiber system
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.
2004 (English)In: European Physical Journal D: Atomic, Molecular and Optical Physics, ISSN 1434-6060, E-ISSN 1434-6079, Vol. 30, no 2, 259-264 p.Article in journal (Refereed) Published
Abstract [en]

The connection between the quantum-vacuum geometric phases (which originates from the vacuum zero-point electromagnetic fluctuation) and the non-normal order for operator product is considered in the present paper. In order to investigate this physically interesting geometric phases at quantum-vacuum level, we suggest an experimentally feasible scheme to test it by means of a noncoplanarly curved fiber made of gyrotropic media. A remarkable feature of the present experimental realization is that one can easily extract the nonvanishing and nontrivial quantum-vacuum geometric phases of left- and/or right-handed circularly polarized light from the vanishing and trivial total quantum-vacuum geometric phases. Since the normal-order procedure may remove globally the vacuum energy of time-dependent quantum systems, the potential physical vacuum effects (e.g., quantum-vacuum geometric phases) may also be removed by this procedure. Thus the detection of the geometric phases at quantum-vacuum level may answer whether the normal-order technique is valid or not in the time-dependent quantum field theory.

Place, publisher, year, edition, pages
2004. Vol. 30, no 2, 259-264 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-41199DOI: 10.1140/epjd/e2004-00082-6ISI: 000223019400011Scopus ID: 2-s2.0-4344586147OAI: oai:DiVA.org:kth-41199DiVA: diva2:443601
Note
QC 20110926Available from: 2011-09-26 Created: 2011-09-23 Last updated: 2017-12-08Bibliographically approved

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