0204070v1

related topics
{trap, ion, state}
{state, states, coherent}
{state, phys, rev}
{cavity, atom, atoms}
{time, decoherence, evolution}
{qubit, qubits, gate}
{cos, sin, state}

Generation of two-mode nonclassical states and a quantum phase gate operation in trapped ion cavity QED

XuBo Zou, K. Pahlke, W. Mathis

abstract: We propose a scheme to generate nonclassical states of a quantum system, which is composed of the one-dimensional trapped ion motion and a single cavity field mode. We show that two-mode SU(2) Schr\"odinger-cat states, entangled coherent states, two-mode squeezed vacuum states and their superposition can be generated. If the vibration mode and the cavity mode are used to represent separately a qubit, a quantum phase gate can be implemented.

oai_identifier:
oai:arXiv.org:quant-ph/0204070
categories:
quant-ph
comments:
to appear in PRA
doi:
10.1103/PhysRevA.65.064303
arxiv_id:
quant-ph/0204070
created:
2002-04-13

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