Quantum Mechanical Models of Turing Machines That Dissipate No Energy

Phys. Rev. Lett. 48, 1581 – Published 7 June 1982
Paul Benioff


Quantum mechanical Hamiltonian models of Turing machines are constructed here on a finite lattice of spin-½ systems. The models do not dissipate any energy and they operate at the quantum limit in that the system (energy uncertainty)/(computation speed) is close to the limit given by the time-energy uncertainty principle.

DOI: http://dx.doi.org/10.1103/PhysRevLett.48.1581

  • Received 22 March 1982
  • Published in the issue dated 7 June 1982

© 1982 The American Physical Society

Authors & Affiliations

Paul Benioff

  • Division of Environmental Impact Studies, Argonne National Laboratory, Argonne, Illinois 60439

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