Journal
EPL
Volume 96, Issue 4, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/96/40002
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Funding
- JSPS [21008624, 21840021, 22340111]
- Open Research Center Project for Private Universities
- Grants-in-Aid for Scientific Research [22340111, 11J07601, 21840021, 09J08624] Funding Source: KAKEN
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Precisely knowing an interaction Hamiltonian is crucial to realize quantum information tasks, especially to experimentally demonstrate a quantum computer and a quantum memory. We propose a scheme to experimentally evaluate the spin-spin interaction for a two-qubit system by the weak measurement technique initiated by Yakir Aharonov and his colleagues. Furthermore, we numerically confirm our proposed scheme in a specific system of a nitrogen vacancy center in diamond. This means that the weak measurement can also be taken as a concrete example of the quantum process tomography. Copyright (C) EPLA, 2011
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