Protecting quantum entanglement from amplitude damping in a two qubit system
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Preservation of quantum entanglement in a two-qubit system is achieved by use of the disclosed systems. Three different example two-qubit systems are shown: (1) a system employing a weak measurement, (2) a system in which a generalized amplitude dampening occurs without use of a weak measurement, and (3) an extended system in which the system is prepared in a more robust state less susceptible to decoherence prior to a generalized amplitude dampening.
Liao, Zeyang; Al-amri M.; Zubiary, Suhail M. (2015). Protecting quantum entanglement from amplitude damping in a two qubit system. United States. Patent and Trademark Office; Texas A&M University. Libraries. Available electronically from