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Entanglement in Block-scalable and Block-scaled States by Bochkin, G. A.; Doronin, S. I.; Zenchuk, A. I. is a scholarly article available to read on EtoBox.

What is Entanglement in Block-scalable and Block-scaled States about?

There is a special class of so-called block-scalable initial states of the sender whose transfer to the receiver through the spin chain results in multiplying {their} MQ-coherence matrices by scalar factors (block-scaled receiver's states). We study the entanglement in block-scalable and block-scaled states and show that, generically, the entanglement in block scaled states is less than the entanglement in the corresponding block-scalable states, although the balance between these entanglements depends on particular values of parameters characterizing these states. Using the perturbations of the sender's block-scalable initial states we show that generically the entanglement in the block-scalable states is bigger, while the entanglement in the block-scaled states is less than the entanglements in the appropriate states from their neighborhoods. A short chain of 6 and a long chain of 42 spin-1/2 particles are considered as examples.}

Author

Bochkin, G. A.; Doronin, S. I.; Zenchuk, A. I.

Published

2018

Language

EN