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Controlling qubit arrays with anisotropic XXZ Heisenberg interaction by acting on a single qubit
Controlling qubit arrays anisotropic XXZ Heisenberg interaction acting single qubit
2010/11/9
We investigate anisotropic $XXZ$ Heisenberg spin-1/2 chains with control fields acting on one of the end spins, with the aim of exploring local quantum control in arrays of interacting qubits. In this...
Comparing globalness of bipartite unitary operations acting on quantum information: delocalization power, entanglement cost, and entangling power
Comparing globalness bipartite unitary operations acting quantum information delocalization power entanglement cost entangling power
2010/11/8
We compare three different characterizations of the globalness of bipartite unitary operations based on different tasks, namely, delocalization power, entanglement cost for LOCC implementation, and e...
The force acting on a polarizable nanoparticle in the quantized electromagnetic field
van der Waals interaction quantum friction nonequilibrium
2010/4/8
In this letter we derive an expression for the force acting on a small (still macroscopic) particle in the field of the quantized electromagnetic radiation in any arbitrary quantum state. This result ...
