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Fast Quantum Gates for Neutral Atoms



D Jaksch, J I. Cirac, W.H. Zoller, S L. Rolston, R Cote, M D. Lukin


We propose several schemes for implementing a fast two-qubit quantum gate for neutral atoms with the gate operation time much faster than the time scales associated with the external motion of the atoms in the trapping potential. In our example, the large interaction energy required to perform fast gate operations is provided by the dipole-dipole intraction of atoms excited to low-lying Rydberg states in constant electric fields. A detailed analysis of imperfections of the gate operation is given.
Physical Review Letters
No. 10


optical lattice quantum computer, quantum gate, Rydberg atom


Jaksch, D. , Cirac, J. , Zoller, W. , Rolston, S. , Cote, R. and Lukin, M. (2000), Fast Quantum Gates for Neutral Atoms, Physical Review Letters (Accessed April 19, 2024)
Created September 1, 2000, Updated February 17, 2017