Universality of single quantum gates
- Bela Bauer ,
- Claire Levaillant ,
- Michael Freedman
arXiv preprint arXiv:1404.7822 |
We supply a rigorous proof that an open dense set of all possible 2-qubit gates G has the property that if the quantum circuit model is restricted to only permit swap of qubits lines and the application of G to pairs of lines, then the model is still computationally universal.