Active control of qubit–qubit entanglement evolution
Copyright policy )Active control of qubit–qubit entanglement evolution
In this work, we propose a scheme to design the time evolution of the entropy of entanglement between two qubits. It is shown an explicit accurate solution for the inverse problem of determining the time dependence of the coupling constant from a user-defined dynamical entanglement function. Such an active control of entanglement can be implemented in many different physical implementations of coupled qubits, and we briefly comment on the use of interacting flux qubits.
Author added, Expanded version, 10 figures
Quantum Physics, Open systems, reduced dynamics, master equations, decoherence, Time-dependent Schrödinger equations and Dirac equations, Quantum coherence, entanglement, quantum correlations, Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics, FOS: Physical sciences, entanglement, decoherence, Quantum Physics (quant-ph), time-dependent Hamiltonians
Quantum Physics, Open systems, reduced dynamics, master equations, decoherence, Time-dependent Schrödinger equations and Dirac equations, Quantum coherence, entanglement, quantum correlations, Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics, FOS: Physical sciences, entanglement, decoherence, Quantum Physics (quant-ph), time-dependent Hamiltonians
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