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A prototype quantum computer using nuclear spins in liquid solution.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	A prototype quantum computer using nuclear spins in liquid solution.
作者:	Steffen, Matthias.
面頁冊數:	338 p.
附註:	Advisers: James S. Harris; Isaac L. Chuang.
附註:	Source: Dissertation Abstracts International, Volume: 64-05, Section: B, page: 2224.
Contained By:	Dissertation Abstracts International64-05B.
標題:	Physics, General.
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3090684
ISBN:	0496384066

A prototype quantum computer using nuclear spins in liquid solution.
Steffen, Matthias.

A prototype quantum computer using nuclear spins in liquid solution. [electronic resource] - 338 p.

Advisers: James S. Harris; Isaac L. Chuang.

Thesis (Ph.D.)--Stanford University, 2003.

Quantum computers can potentially solve real and relevant mathematical and physical problems that are intractable using classical machines. However, the experimental realization of quantum computers represents a significant challenge, because several opposing experimental requirements must be met. A set of coupled quantum bits must be manipulated and measured while coherently retaining entangled quantum states. Yet the manipulation and measurement processes almost inevitably lead to the decay of these fragile states.

ISBN: 0496384066Subjects--Topical Terms:

227017
Physics, General.

A prototype quantum computer using nuclear spins in liquid solution.
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500 $a Source: Dissertation Abstracts International, Volume: 64-05, Section: B, page: 2224.
502 $a Thesis (Ph.D.)--Stanford University, 2003.
520 # $a Quantum computers can potentially solve real and relevant mathematical and physical problems that are intractable using classical machines. However, the experimental realization of quantum computers represents a significant challenge, because several opposing experimental requirements must be met. A set of coupled quantum bits must be manipulated and measured while coherently retaining entangled quantum states. Yet the manipulation and measurement processes almost inevitably lead to the decay of these fragile states.
520 # $a The second part of this thesis presents several methods developed for improving the control over NMR quantum computing experiments. Even though liquid state NMR quantum computers have well known and accepted scaling limitations, the developed tools are of general use. I will show how several tools are directly transferable to two other implementations of quantum computers; one using optical methods and the other using loops of superconducting material.
520 # $a This thesis work takes significant steps towards building a practical quantum computer using nuclear spins and liquid state nuclear magnetic resonance (NMR) techniques. I present experimental results for proof of principle of quantum computing in a series of small implementations of quantum algorithms, culminating in the implementation of an adiabatic quantum optimization algorithm. The performance of adiabatic algorithms compared with classical optimization methods is unknown, but small quantum computers could provide crucial insight into answering this question. Furthermore, adiabatic algorithms also shed new light on the usefulness of quantum resources for computational tasks and hence they represent an important class of algorithms.
520 # $a This work provides insight into what is needed to build a practical quantum computer, and delivers several tools and techniques that will be useful in future large-scale implementations of quantum computers.
590 $a School code: 0212.
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