We develop a new protocol for sharing entanglement (one ebit) between two parties using the natural dynamics of helical multiferroic spin chains. We introduce a novel kicking scheme of the electric field for enhancing the teleportation fidelity in our protocol that works in the presence of an appropriate choice of parameters. We also investigate the effect of a common spin environment causing decoherence in the entanglement sharing channel. We compare the results to that of XXZ and XX models subject to a similar entanglement sharing protocol and find that the helical multiferroic chain with the kicking scheme provides a better singlet fraction. We show that the kicking scheme in conjugation with the optimized parameters enhances the fidelity of teleportation even in the presence of impurities and/or decoherence. The advantage of the kicking scheme shown in the impurity cases is an important result to be useful in a realizable setup of helical multiferroic spin chain.

我们开发了一种新的协议，利用螺旋多铁自旋链的自然动力学在两方之间共享纠缠（一个ebit）。我们引入新的踢电场的方案用于提高我们的协议隐形传输的保真度，在参数的适当选择的情况下工作。我们还研究了常见的自旋环境在纠缠共享通道中引起退相干的影响。我们将结果与采用类似纠缠共享协议的XXZ和XX模型的结果进行比较，发现带有踢球方案的螺旋多铁链可提供更好的单重态分数。我们显示，与最佳参数结合的踢球方案即使在存在杂质和/或退相干的情况下，也能增强传送的保真度。