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Free research papers and essays on topics related to: quantum computer

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  • A Quantum Computer A Future Technology - 1,415 words
    A Quantum Computer... a future technology Mike Damewood By the strange laws of quantum mechanics, Folger, a senior editor at Discover, notes, an electron, proton, or other subatomic particle is "in more than one place at a time," because individual particles behave like waves, these different places are different states that an atom can exist in simultaneously. Ten years ago, Folger writes, David Deutsch, a physicist at Oxford University, argued that it may be possible to build an extremely powerful computer based on this peculiar reality. In 1994, Peter Shor, a mathematician at AT&T Bell Laboratories in New Jersey, proved that, in theory at least, a full-blown quantum computer could factor ...
    Related: quantum, quantum computer, quantum mechanics, technology, simple steps
  • Quantam Computing - 2,105 words
    Quantam Computing What is quantum computing? Quantum Computing is something that could have been thought up a long time ago - an idea whose time has come. For any physical theory one can ask: what sort of machines will do useful computation? or, what sort of processes will count as useful computational acts? Alan Turing thought about this in 1936 with regard (implicitly) to classical mechanics, and gave the world the paradigm classical computer: the Turing machine. But even in 1936 classical mechanics was known to be false. Work is now under way - mostly theoretical, but tentatively, hesitantly groping towards the practical - in seeing what quantum mechanics means for computers and computing ...
    Related: computing, point of view, quantum mechanics, alan turing, carefully
  • Quantam Computing - 1,993 words
    ... taken to multiply a particular pairs of number but the fact that the time does not increase too sharply when we apply the same method to ever larger numbers. The same standard text-book method of multiplication requires little extra work when we switch from two three digit numbers to two thirty digits numbers. By contrast, factoring a thirty digit number using the simplest trial divison method (see inset 1) is about 1013 times more time or memory consuming than factoring a three digit number. The use of computational resources is enormous when we keep increasing the number of digits. The largest number that has been factorised as a mathematical challenge, i.e. a number whose factors wer ...
    Related: computing, mathematical problems, bell laboratories, quantum theory, reasonable
  • Quantum Computers - 1,628 words
    Quantum Computers Fact -or- Fantasy? CS Senior Seminar Imagine a computer whose memory is exponentially larger than its apparent physical size; a computer that can manipulate an exponential set of inputs simultaneously; a computer that computes in the twilight zone of space. You would be thinking of a quantum computer. Relatively few and simple concepts from quantum mechanics are needed to make quantum computers a possibility. The subtlety has been in learning to manipulate these concepts. Is such a computer an inevitability or will it be too difficult to build? By the strange laws of quantum mechanics, Folger, a senior editor at Discover, notes that; an electron, proton, or other subatomic ...
    Related: computers, quantum, quantum computer, quantum mechanics, new jersey
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