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Diamond-nitrogen-vacancy electronic and nuclear spin-state anticrossings under weak transverse magnetic fields

MetadataDetails
Publication Date2016-08-02
JournalPhysical review. A/Physical review, A
AuthorsHannah Clevenson, Edward H. Chen, Florian Dolde, Carson Teale, Dirk Englund
InstitutionsMIT Lincoln Laboratory, Massachusetts Institute of Technology
Citations27

We report on detailed studies of electronic and nuclear spin states in the diamond-nitrogen-vacancy (NV) center under weak transverse magnetic fields. We numerically predict and experimentally verify a previously unobserved NV hyperfine level anticrossing (LAC) occurring at bias fields of tens of gauss---two orders of magnitude lower than previously reported LACs at $\ensuremath{\sim}500$ and $\ensuremath{\sim}1000$ G axial magnetic fields. We then discuss how the NV ground-state Hamiltonian can be manipulated in this regime to tailor the NV’s sensitivity to environmental factors and to map into the nuclear spin state.