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Volumn 80, Issue 11, 2009, Pages

Sharp fractional charges in Luttinger liquids

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EID: 70350615894     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.80.115327     Document Type: Article
Times cited : (18)

References (33)
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    • We note that there is an alternative way to define charges using the Aharonov-Bohom effect, i.e., the response to external magnetic flux (Ref.). The AB effect can persist even in systems where the charge, as defined as the integral of the local charge density, is fully screened. In the one-dimensional systems considered here, the relevant experiment would be to probe the response to an external flux through the circle, which is however guaranteed to be periodic in units of the flux quantum 2π/e because of gauge invariance.
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