Swapping and entangling hyperfine coupled nuclear spin baths

URN to cite this document:: urn:nbn:de:bvb:355-epub-209904
DOI to cite this document:: 10.5283/epub.20990

Erbe, Björn ; Schliemann, John

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Date of publication of this fulltext: 26 May 2011 07:29

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Abstract

We numerically study the hyperfine induced nuclear spin dynamics in a system of two coupled quantum dots in zero magnetic field. Each of the electron spins is considered to interact with an individual bath of nuclear spins via homogeneous coupling constants (all coupling coefficients being equal). In order to lower the dimension of the problem, the two baths are approximated by two single long ...