Spin-Chain-Star Systems: Entangling Multiple Chains of Spin Qubits

被引：7
作者：
Grimaudo, Roberto [1 ]
Magalhaes de Castro, Antonio Sergio [2 ]
Messina, Antonino [3 ]
Valenti, Davide [1 ]
机构：
[1] Univ Palermo, Dipartimento Fis & Chim Emilio Segre, Viale Sci,Ed 18, I-90128 Palermo, Italy
[2] Univ Estadual Ponta Grossa, BR-84030900 Ponta Grossa, PR, Brazil
[3] Univ Palermo, Dipartimento Matemat & Informat, Via Archirafi 34, I-90123 Palermo, Italy
来源：
FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS | 2022年 / 70卷 / 06期
关键词：
many-body interactions; multi-partite entanglement generation; quantum spin models; spin-chain-star systems; QUANTUM SUPREMACY; ENTANGLEMENT; DYNAMICS;
D O I：
10.1002/prop.202200042
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We consider spin-chain-star systems characterized by N-wise many-body interactions between the spins in each chain and the central one. We show that such systems can be exactly mapped into standard spin-star systems through unitary transformations. Such an approach allows the solution of the dynamic problem of an XX$X X$ spin-chain-star model and transparently shows the emergence of quantum correlations in the system, based on the idea of entanglement between chains.
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页数：9
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