File name: Quantum Computing Filetype:Pdf
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Quantum Computing Filetype:Pdf
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May 23, · The power of quantum computing comes from the fact that acting on one or two qubits is equivalent to applying a 2n 2n matrix to the state j i. Let's see concretely how this works. In writing this introduction to quantum computer science I have kept in mind readers from several disciplines. Primarily I am addressing computer scientists, electrical engineers, or . Preface from These lecture notes were formed in small chunks during my \Quantum computing course at the University of Amsterdam, Feb-May , and compiled into one text . quantum formalism implies about the nature of the world that it so accurately describes. By applying quantum mechanics in an entirely new way | and especially by applying it to the processing of knowledge | quantum computation gives a new perspective on interpretational questions. While I rarely address such matters explicitly, for purely ped-. Unitary Transformation as Quantum Computing On a quantum computer, programs are executed by unitary evolution of an input that is given by the state of the system, | n >, which can in either 0 or 1 state. Since all unitary operators are invertible, we can always reverse or ‘uncompute’a computation on a quantum computer. Quantum Computing. Introduction to Quantum Computing Quantum Computation Quantum particles with known polarization, spin, etc. play the role of zeroes or ones. Quantum operations simulate Turing machine operations such as XOR, AND, NOT. (Some caveats) Classical computer: n bits $2n values. Quantum computer: n bits $2n-dimensional over C.
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