Entanglement of Matter Qubits at a Distance

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Abstract:

Quantum information and computation are one of the fastest expanding areas of modern physics. The basic units of quantum computers are two state systems, usually called qubits, which states are superpositions of two basis states. Coherent coupling i.e., an entanglement of qubits is a key feature of quantum registers. We discuss two ways of entangling of distant stationary qubits via their interaction with quantized electromagnetic field: entanglement swapping and entanglement via a mediating resonator (called a “quantum bus”). In this review article we also discuss the influence of decoherence and show that entanglement survives in the presence of dissipation.

Keywords: CAVITY QED; ENTANGLEMENT; NONLINEAR DYNAMICS; QUBITS

Document Type: Review Article

DOI: http://dx.doi.org/10.1166/jctn.2010.1530

Publication date: September 1, 2010

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  • Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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