Reviews of topical problems

Entangled quantum states of atomic systems

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Lomonosov Moscow State University, Department of Physics, Vorobevy gory, Moscow, 119992, Russian Federation

The current status of studies in the physics of entangled states of atomic systems — an interdisciplinary field involving quantum optics, quantum information, and the foundations of quantum mechanics — is reviewed. In the first part of the review, an introduction to the theory of entangled states is given, their properties and applications are described. In the second part, experiments on the creation and detection of entangled states in atomic systems are discussed along with associated experimental proposals for their refinement. Today’s most advanced experimental technique for creating entangled ion states in an ion trap is considered, and promising methods focussed on the analogous states of neutral atoms are analyzed.

Text can be downloaded in Russian. English translation is available on IOP Science.
PACS: 03.65.Bz, 03.65.Ud, 03.65.Yz, 03.67.−a, 32.80.Qk (all)
DOI: 10.1070/PU2001v044n06ABEH000940
Citation: Bargatin I V, Grishanin B A, Zadkov V N "Entangled quantum states of atomic systems" Phys. Usp. 44 597–616 (2001)
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Оригинал: Баргатин И В, Гришанин Б А, Задков В Н «Запутанные квантовые состояния атомных систем» УФН 171 625–647 (2001); DOI: 10.3367/UFNr.0171.200106c.0625

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