Abstract:
:Previous experimental studies discovered universal growth of chains and nanowires of various chemical elements on a corrugated molecular network of Cu3N on the Cu(110). Herein, performing combined ab initio and quantum Hamiltonian studies we demonstrate that such chains can be used for a fast spin switching and entanglement generation by locally applied magnetic pulses. As an example, we show that in antiferromagnetic Co chains a strong entanglement between ends of chains occurs during spin switching. A novel parity effect in spin dynamics is reported. Even-numbered chains are found to exhibit significantly faster spin switching than odd-numbered counterparts. Moreover, at certain parameters of the system the dimerization effect in the spin dynamics of the chains was found. Our studies give a clear evidence that tailoring spin dynamics and entanglement can be achieved by magnetic fields and by tuning exchange interactions in supported chains.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Sivkov IN,Bazhanov DI,Stepanyuk VSdoi
10.1038/s41598-017-02972-xsubject
Has Abstractpub_date
2017-06-05 00:00:00pages
2759issue
1issn
2045-2322pii
10.1038/s41598-017-02972-xjournal_volume
7pub_type
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