Meyer, V.
, Rowe, M.
, Kielpinski, D.
, Sackett, C.
, Itano, W.
, Monroe, C.
and Wineland, D.
(2001),
Experimental Demonstration of Entanglement-Enhanced Rotation Angle Estimation Using Trapped Ions, Physical Review Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=105021
(Accessed August 13, 2024)