Experimental demonstration of non-local controlled-unitary quantum gates using a five-qubit quantum computer |
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| Authors: | P K Vishnu Dintomon Joy Bikash K Behera Prasanta K Panigrahi |
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| Affiliation: | 1.Department of Physics, School of Physical Sciences,Central University of Kerala,Kasaragod,India;2.Department of Physics,Cochin University of Science and Technology,Kochi,India;3.Department of Physical Sciences,Indian Institute of Science Education and Research Kolkata,Mohanpur,India |
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| Abstract: | Local implementation of non-local quantum gates is necessary in a distributed quantum computer. Here, we demonstrate the non-local implementation of controlled-unitary quantum gates proposed by Eisert et al. (Phys Rev A 62:052317, 2000) using the five-qubit IBM quantum computer. We verify the fidelity and accuracy of the implementation through the techniques of quantum state and process tomographies. |
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