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Basics of quantum computation
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DOI：10.1016/S0079-6727(98)00004-4.png)
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摘要
En 中文
Quantum computers require quantum logic, something fundamentally different to classical Boolean logic. This difference leads to a greater efficiency of quantum computation over its classical counterpart. In this review we explain the basic principles of quantum computation, including the construction of basic gates, and networks. We illustrate the power of quantum algorithms using the simple problem of Deutsch, and explain, again in very simple terms, the well known algorithm of Shor for factorisation of large numbers into primes. We then describe physical implementations of quantum computers, focusing on one in particular, the linear ion trap realization. We explain that the main obstacle to building an actual quantum computer is the problem of decoherence, which we show may be circumvented using the methods of quantum error correction. (C) 1998 Elsevier Science Ltd. All rights reserved.
Keyword:
ERROR-CORRECTING CODES
REVERSIBLE COMPUTATION
LARGE NUMBERS
TRAPPED IONS
LOGIC GATE
ENTANGLEMENT
COMPUTERS
UNIVERSAL
TIME
COMMUNICATION
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期刊
IF:
12.5
论文数:
293
被引数:
2.1K
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Decoherence and quantum error correction.png)
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCESIF3.7
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