Quantum logic with weakly coupled qubits
Quantum Physics
2015-05-13 v1
Abstract
There are well-known protocols for performing CNOT quantum logic with qubits coupled by particular high-symmetry (Ising or Heisenberg) interactions. However, many architectures being considered for quantum computation involve qubits or qubits and resonators coupled by more complicated and less symmetric interactions. Here we consider a widely applicable model of weakly but otherwise arbitrarily coupled two-level systems, and use quantum gate design techniques to derive a simple and intuitive CNOT construction. Useful variations and extensions of the solution are given for common special cases.
Cite
@article{arxiv.0906.5209,
title = {Quantum logic with weakly coupled qubits},
author = {Michael R. Geller and Emily J. Pritchett and Andrei Galiautdinov and John M. Martinis},
journal= {arXiv preprint arXiv:0906.5209},
year = {2015}
}
Comments
4 pages, Revtex