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\emph{Ab initio} theory of $\text{N}_{2}\text{V}$ defect as quantum memory in diamond

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arxiv 1704.07289 v2 pith:CWZLQ27W submitted 2017-04-24 cond-mat.mtrl-sci

classification cond-mat.mtrl-sci
keywords textdefectdiamondemphinitiomemoryparametersquantum
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

$\text{N}_{2}\text{V}$ defect in diamond is characterized by means of \emph{ab initio} methods relying on density functional theory calculated parameters of a Hubbard model Hamiltonian. It is shown that this approach appropriately describes the energy levels of correlated excited states induced by this defect. By determining its critical magneto-optical parameters, we propose to realize a long-living quantum memory by $\text{N}_{2}\text{V}$ defect in diamond.

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