Quantum Computation

@article{DiVincenzo1995QuantumC,
  title={Quantum Computation},
  author={D. DiVincenzo},
  journal={Science},
  year={1995},
  volume={270},
  pages={255 - 261}
}
If the bits of computers are someday scaled down to the size of individual atoms, quantum mechanical effects may profoundly change the nature of computation itself. The wave function of such a quantum computer could consist of a superposition of many computations carried out simultaneously; this kind of parallelism could be exploited to make some important computational problems, like the prime factoring of large integers, tractable. However, building such a quantum computer would place… Expand
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References

SHOWING 1-2 OF 2 REFERENCES
Measurement of Conditional Phase ies in the Sciences of Complexity
    Quantum Computers, Factoring, and Deco-33
    • ics of Information