Erratum: Three-intensity decoy-state method for device-independent quantum key distribution with basis-dependent errors [Phys. Rev. A 87, 012320 (2013)]

摘要

Chen et al. [Phys. Rev. A 81, 033422 (2010)] claim that adding 4He to spin-exchange optical pumping (SEOP)ncells confines 3He atoms to a diffusion-limited region, which effectively reduces the wall relaxation factor X.nHere X is a phenomenological parameter used to characterize typical SEOP cells; it quantifies the observationnthat the measured linear slope of the relaxation rate with alkali-metal-atom density exceeds the spin-exchangenrate. In addition they claim to demonstrate that magnetic-field gradients cause a diffusive motion of 3He. Wenargue that these claims and other central conclusions drawn by Chen et al. [ Phys. Rev. A 81, 033422 (2010)]nare inconsistent with the physics of diffusion or should not be made from the data as presented. We also drawnattention to several additional issues associated with the results, analysis, and presentation of data in Chen et al.n[ Phys. Rev. A 81, 033422 (2010)] that confound clear interpretation.nIn the published version of my paper, Eq. (17) should be corrected asnEXn11 u0002nEXnxAxBnSXnxAxB − a0EXnoAxBnSXnoAxB − b0EXnxAoBnSXnxAoB + a0b0EXnoAoBnSXnoAoBna1b1sXn11n.