File name: Quantum Computing Filetype:Pdf

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Quantum Computing Filetype:Pdf

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The theory of quantum computing is related to a theory of reversible computing. A computation is reversible if it is always possible to uniquely recover the input, given the output. n’s pioneering paper on quantum computing was motivated in part by the observation that quantum systems . 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. •Part I: Quantum-computing fundamentals –High-level motivation, history, and status –Qubits, multi-qubit states, and quantum measurement –Review of notation –Quantum gates and quantum circuits Break •Part II: Circuit-model quantum computing –Quantum gates and quantum circuits (cont.) –Basic quantum algorithms. quantum computing system that enables quantum comput‑ ers to perform quantum computing. To depict the dier‑ ent layers of a quantum computing system, we adopt the model of Ding and Chong () for three reasons. First, it allows us to analytically distinguish the key components of a quantum component system to illustrate the fundamental. 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.