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ICOP & ICPET 2015, 21 - : 665-668 Back to browse issues page
Entanglement of Two –Level Atoms and Photons in Left -Handed Materials
Shekofeh Amini Mrs. * 1, Sara Rastgoo Mrs.1, Mohammad Golshan Dr.1
1- Shiraz University
Abstract:   (1707 Views)
gte mso 9]>l> 12.00 Entanglement is well known to play a key role in the domains of quantum computing, quantum communication, etc. In this paper, we consider a cavity that is surrounded by left-handed materials, inside of which a two- level atom interacts with photons. We employ von Neumann entropy, as a measure of entanglement, to describe the entanglement between atoms and the quantized electromagnetic field, in the Markov approximation. Starting from a separable state, it is shown that the degree of entanglement, as a function of time, varies from zero to a maximum and asymptotically diminishes. A comparison between this behavior and that in the right-handed materials is also given gte mso 9]>l> Normal 0 false false false EN-US X-NONE AR-SA gte mso 9]>l>
Keywords: Two -level Atoms, Markov approximation, Entanglement, left-handed materials
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Type of Study: Research | Subject: Special
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amini S, rastgoo S, golshan M. Entanglement of Two –Level Atoms and Photons in Left -Handed Materials. ICOP & ICPET. 2015; 21 :665-668
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انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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