1. Nielsen, M. & Chuang, I. Quantum Computation and Quantum Information 10th edn Cambridge University Press (2011).
2. Shor, P. W. Algorithms for quantum computation: disctete logarithms and factoring. Proc. 35th Ann. Symp. Foundations of Computer Science (ed. Goldwasser. S.) 124–134 (IEEE Computer Society Press, 1994).
3. Garey, M. R. & Johnson, D. S. Computers and Intractability: A Guide to the Theory of NP-Completeness W. H. Freeman (1979).
4. Kadowaki, T. & Nishimori, H. Quantum annealing in the transverse Ising model. Phys. Rev. E 58, 5355 (1998).
5. Farhi, E., Goldstone, J., Gutmann, S. & Sipser, M. Quantum computation by adiabatic evolution. Preprint at
http://arxiv.org/abs/quant-ph/0001106
(2000).