Quantum computers and dissipation

@article{Palma1996QuantumCA,
  title={Quantum computers and dissipation},
  author={G. Palma and K. Suominen and A. Ekert},
  journal={Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences},
  year={1996},
  volume={452},
  pages={567 - 584}
}
  • G. Palma, K. Suominen, A. Ekert
  • Published 1996
  • Mathematics, Physics
  • Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences
We analyse dissipation in quantum computation and its destructive impact on the efficiency of quantum algorithms. Using a general model of decoherence, we study the time evolution of a quantum register of arbitrary length coupled with an environment of arbitrary coherence length. We discuss relations between decoherence and computational complexity and show that the quantum factorization algorithm must be modified in order to be regarded as efficient and realistic. 
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