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Entanglement dynamics of two Ising-coupled qubits with nonperpendicular local driving fields
Physical review B
We present an approximate analytical solution to the dynamic equation of two Ising-coupled qubits with oscillating classical control fields that are nonperpendicular to the static drift fields. This is a situation that has recently arisen in some solid-state experiments. With our solution we derive the analytical expressions for the local invariants as well as the local rotations needed to isolate a purely nonlocal gate. This determines the set of parameters that are required to generate anydoi:10.1103/physrevb.97.125311 fatcat:t6xkaxd4uvfstk4nhv4igxxfey