Synthesis of quantum logic circuits

  • Authors:
  • Vivek V. Shende;Stephen S. Bullock;Igor L. Markov

  • Affiliations:
  • The University of Michigan, Ann Arbor, MI;Natl. Inst. of Standards and Technology, Gaithersburg, MD;The University of Michigan, Ann Arbor, MI

  • Venue:
  • Proceedings of the 2005 Asia and South Pacific Design Automation Conference
  • Year:
  • 2005

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Abstract

The pressure of fundamental limits on classical computation and the promise of exponential speedups from quantum effects have recently brought quantum circuits to the attention of the EDA community [10, 17, 4, 16, 9]. We discuss efficient circuits to initialize quantum registers and implement generic quantum computations. Our techniques yield circuits that are twice as small as the best previously published technique. Moreover, a theoretical lower bound shows that our new circuits can be improved by at most a factor of two. Further, the circuits grow by at most a factor of nine under severe architectural restrictions.