@article{v004a008,
 author = {Edward Farhi and Jeffrey Goldstone and Sam Gutmann},
 title = {A Quantum Algorithm for the Hamiltonian NAND Tree},
 year = {2008},
 pages = {169--190},
 doi = {10.4086/toc.2008.v004a008},
 publisher = {Theory of Computing},
 journal = {Theory of Computing},
 volume = {4},
 number = {8},
 URL = {http://www.theoryofcomputing.org/articles/v004a008},
}