Quantum Computing and Quantum Internet: A New Era in Communication
Someone who understands all three essays will have a good understanding of elementary quantum computing. Quantum computing people tend to be rather blase about such global phase factors. They’ll do things like not bother to distinguish between unitary gates such as XXX and −X-X−X, saying these gates are “the same up to a global phase factor”. They simply mean the −X-X−X gate is the same as doing the XXX gate, followed by the −I-I−I gate.
New kind of quantum computer made using high-resolution … – Nature.com
New kind of quantum computer made using high-resolution ….
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