Professor Artur Ekert FRS

Abstract:

We propose a scheme for quantum computing using high-Q cavities in which the qubits are represented by single-cavity modes restricted in the space spanned by the two lowest Fock states. We show that single-qubit operations and universal multiple qubit gates can be implemented using atoms sequentially crossing the cavities. ©2000 The American Physical Society.

Abstract:

Section headings: 1 Qubits, gates and networks 2 Quantum arithmetic and function evaluations 3 Algorithms and their complexity 4 From interferometers to computers 5 The first quantum algorithms 6 Quantum search 7 Optimal phase estimation 8 Periodicity and quantum factoring 9 Cryptography 10 Conditional quantum dynamics 11 Decoherence and recoherence 12 Concluding remarks