Hammerer K, Vidal G, Cirac JI. Characterization of nonlocal gates. Physical Review A - Atomic, Molecular, and Optical Physics. 2002 Dec 31;66(6). doi: 10.1103/PhysRevA.66.062321
Vidal G, Hammerer K, Cirac I. Interaction Cost of Nonlocal Gates. Physical Review Letters. 2002 May 24;88(23). doi: 10.1103/PhysRevLett.88.237902
Hammerer K, Vidal G, Cirac JI. Characterization of nonlocal gates. Physical Review A - Atomic, Molecular, and Optical Physics. 2002 Dec 31;66(6). doi: 10.1103/PhysRevA.66.062321
Vidal G, Hammerer K, Cirac I. Interaction Cost of Nonlocal Gates. Physical Review Letters. 2002 May 24;88(23). doi: 10.1103/PhysRevLett.88.237902