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 Sergey Filippov
Sergey Filippov


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20.03 Our paper in Physica Scripta Highlights 2013

Our paper "Single-photon-added coherent states: estimation of parameters and fidelity of the optical homodyne detection" by S.N. Filippov, V.I. Man'ko, A.S. Coelho, A. Zavatta, and M. Bellini has been selected for Physica Scripta Highlights 2013!

The full text of the paper is now freely available without subscription until 31 December 2014: Physica Scripta T153, 014025 (2013)

16.03 Conference "Entanglement detection and quantification" (Bilbao, 2014)

The warm town of Bilbao welcomed physicists-"entanglers" in March 10-13 to provide a venue for extensive discussions of their favourite subject: phenomenon of quantum entanglement.

The abstract of my contribution is http://filippovsn.fizteh.ru/curriculumvitae.html/abstract_bilbao_2014.pdf.

09.02 XVII Conference "Quantum Information Processing" (QIP 2014)

The conference gave an overview of the current development in the theory of quantum computing and complexity problems. Together with my co-author Mario Ziman we have presented our recent results about the dissociation and annihilation of multipartite entanglement structure in dissipative quantum dynamics.

23.12 Chemistry of quantum entanglement dynamics

Considering multipartite entanglement as a chemical compound opens a new view on the entanglement dissipative evolution. In fact, the particles of environment represent nothing else but the solvent in which the entanglement compound dissociates! The solvent can act on the whole compound (global quantum noise) or particular elements of the compound (local quantum noise). The differences between these two mechanisms are in the presense of clustering stages in the case of global noise, when particles reassemble to form almost equal bipartitions, tripartions, etc.

More info: S. N. Filippov, A. A. Melnikov, and M. Ziman. Dissociation and annihilation of multipartite entanglement structure in dissipative quantum dynamics. Phys. Rev. A 88, 062328 (2013), E-print arXiv:1310.4790 [quant-ph], Download <<PDF>>

30.09 Feasible coupling of two superconducting resonators by a single trapped atom

We present a theoretical proposal how to couple (selectively) microwave radiation in two superconducting resonators via the Raman effect for an ion trap. 

More info about the idea: <<presentation [pdf, 530kB]>>

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