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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3340

Title: General circuits for indirecting and distributing measurement in quantum computation
Authors: Gupta, M.
Pathak, A.
Srikanth, R.
Panigrahi, P.K.
Keywords: Entanglement
Quantum computation
Quantum communication
Issue Date: Aug-2007
Publisher: World Scientifc
Citation: International Journal of Quantum Information, 2007, Vol.5, p627-640.
Abstract: A question of theoretical and practical interest is how a quantum system may be measured indirectly by means of an ancilla that interacts with it, and furthermore, how a system of ancillas may be used to implement a coherent measurement of spatially separated qudits. We provide general circuits that can be used to implement such measurements. These circuits are relevant to quantum error correction, measurement-based quantum computation and Bell state discrimination across a quantum network involving multiple parties. The last mentioned problem is treated in detail. Our circuitry can also help to optimize the quantum communication complexity for performing measurements in distributed quantum computing.
Description: Restricted Access.
URI: http://hdl.handle.net/2289/3340
ISSN: P-ISSN: 0219-7499
Alternative Location: http://dx.doi.org/10.1142/S0219749907003092
Copyright: 2007 World Scientifc Publishing Company
Appears in Collections:Research Papers (LAMP)

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