Nanotechnology by Ramsden Jeremy

Nanotechnology by Ramsden Jeremy

Author:Ramsden, Jeremy
Language: eng
Format: epub, mobi
ISBN: 978-0-08-096447-8
Publisher: Elsevier Science
Published: 2011-07-11T16:00:00+00:00

7.3. Quantum Computing

Extrapolation of Moore's law to about the year 2020 indicates that component's sizes will be sufficiently small for the behavior of electrons within them to be perturbed by quantum effects. This implies a profound perturbation of the proper functioning of the technology, and no solution to this problem within the current framework is in view. Quantum computing can be thought of as “making a virtue out of necessity”, creating computational devices based on the principles of quantum logic. The essence of quantum computing is to use not binary logic bits as the representation of the elementary unit of information, but qubits, which can exist in an infinite number of superpositions of the binary units zero and one (Figure 7.7).



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