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Practical Quantum Mechanics Siegfried Flügge
Publisher: Springer

A previous post, Consistent Histories and Density Operator Formalism discussed the application of density matrices to the consistent histories interpretation of quantum mechanics with the practical appliction being Margaret Hawton's photon position operator. Scientists have already built basic quantum computers that can perform certain calculations; but a practical quantum computer is still years away. To summarize: For D-Wave to achieve a practically useful quantum computer using their technology, they would have to have made a breakthrough in physics, as well as a breakthrough in the design of their algorithm. "Our understanding of quantum mechanics is rudimentary, at best, yet we are on the verge of developing practical quantum computers that promise virtually unlimited computational power. That is, if the spherical triangle has surface area A, the vector will be rotated by the angle A. €�it is hard for me to believe that quantum mechanics works so nicely for inefficient practical set-ups and is yet going to fail badly when sufficient refinements are made. The unusual aspect of this research is that due to its theoretical nature, issues are raised beyond reach of practical solutions. A similar effect occurs in quantum mechanics when a spin state is sent through a sequence of orientations. Making quantum encryption practical. Lab sets a new record for creating heralded photons ». In this article, you'll learn what a quantum computer is and .