Optimal quantum parameter estimation of two-qutrit Heisenberg XY chain under decoherence
(color online) The variation of the QFI F
B
at time t = 2 and the negativity N of the input state with respect to parameter α. The other parameters are 
Optimal quantum parameter estimation of two-qutrit Heisenberg XY chain under decoherence |
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(color online) The variation of the QFI F
B
at time t = 2 and the negativity N of the input state with respect to parameter α. The other parameters are |
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