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Parity effects in spin decoherence

Year: 2004
Type: article
Abstract: We demonstrate that decoherence of many-spin systems can drastically differ from decoherence of single-spin systems. The difference originates at the most basic level, being determined by parity of the central system, i.e., by whether the system comprises even or odd number of spin-$1∕2$ entities. Therefore, it is very likely that similar distinction between the central spin systems of even and odd parity is important in many other situations. Our consideration clarifies the physical origin of the unusual two-step decoherence found previously in the two-spin systems.
DOI: 10.1103/physrevb.70.014435
Institutions: University of California, Santa Barbara, Kavli Institute for Theoretical Physics, Iowa State University, Ames National Laboratory, University of Groningen, Uppsala University
Language: English
Open Access status: bronze
Funders: U.S. Department of Energy, National Security Agency, Iowa State University, Deutscher Akademischer Austauschdienst, Agricultural Research Development Agency, Office of Science, Army Research Office
OpenAlex ID: W2108022687
FWCI: 3.68
Cites: 23
Cited by: 64
Related to: 10