Statistics – Computation
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005phrva..71a2333d&link_type=abstract
Physical Review A, vol. 71, Issue 1, id. 012333
Statistics
Computation
12
Quantum Computation, Quantum Mechanics, Quantum Optics
Scientific paper
We present an optical scheme to implement the Deutsch-Jozsa algorithm using ac Stark shifts. The scheme uses an atomic ensemble consisting of four-level atoms interacting dispersively with a field. This leads to a Hamiltonian in the atom-field basis which is quite suitable for quantum computation. We show how one can implement the algorithm by performing proper one- and two-qubit operations. We emphasize that in our model the decoherence is expected to be minimal due to our usage of atomic ground states and freely propagating photon.
Agarwal Girish S.
Biswas Asoka
Dasgupta Shubhrangshu
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