TITLE:
Linear Entropy of a Driven Central Spin Interacting with an Antiferromagnetic Environment
AUTHORS:
Mahmoud Abdel-Aty
KEYWORDS:
Linear Entropy, Antiferromagnetic Spin Bath, Entanglement
JOURNAL NAME:
Natural Science,
Vol.6 No.7,
April
25,
2014
ABSTRACT:
We exploit a scheme
to obtain a long-lived entanglement using a driven central spin interacting
with an antiferromagnetic spin bath. Our numerical results show the effects of
different parameters on the population inversion and the entanglement
dynamics in terms of the linear entropy. It is shown that the long-lived
entanglement is an intriguing result corresponding to the collapse region of
the atomic inversion. As illustration, we examine the long-time interaction of
the entanglement under the resonance and off-resonance regimes.