|
| related topics |
| {trap, ion, state} |
| {state, phys, rev} |
| {qubit, qubits, gate} |
| {time, decoherence, evolution} |
| {cos, sin, state} |
| {state, states, coherent} |
| {equation, function, exp} |
|
Coherently manipulating two-qubit quantum information using a pair of
simultaneous laser pulses
L. F. Wei, Franco Nori
abstract: Several sequential operations are usually needed for implementing controlled
quantum gates and generating entanglement between a pair of quantum bits. Based
on the conditional quantum dynamics for a two-ion system beyond the Lamb-Dicke
limit, here we propose a theoretical scheme for manipulating two-qubit quantum
information, i.e., implementing a universal two-qubit quantum gate and
generating a two-qubit entangled state, by using a pair of simultaneous laser
pulses. Neither the Lamb-Dicke approximation nor the auxiliary atomic level are
required. The experimental realizability of this simple approach is also
discussed.
- oai_identifier:
- oai:arXiv.org:quant-ph/0411132
- categories:
- quant-ph
- doi:
- 10.1209/epl/i2003-10053-y
- arxiv_id:
- quant-ph/0411132
- journal_ref:
- Europhys. Lett., 65(1), 1 (2004)
- created:
- 2004-11-18
- updated:
- 2005-12-19
Full article ▸
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