Quantum Mechanical Models of Turing Machines That Dissipate No Energy
Abstract
Quantum mechanical Hamiltonian models of Turing machines are constructed here on a finite lattice of spin- 1/2 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.
- Publication:
-
Physical Review Letters
- Pub Date:
- June 1982
- DOI:
- 10.1103/PhysRevLett.48.1581
- Bibcode:
- 1982PhRvL..48.1581B
- Keywords:
-
- 03.65.-w;
- 05.30.-d;
- Quantum mechanics;
- Quantum statistical mechanics