On the Magnetization and Entanglement Plateaus in One-Dimensional Confined Molecular Magnets

被引:1
作者
Norambuena Leiva, Javier I. [1 ]
Cortes Estay, Emilio A. [1 ]
Suarez Morell, Eric [1 ]
Florez, Juan M. [1 ]
机构
[1] Univ Tecn Federico Santa Maria, Dept Fis, Grp Simulac, Ave Espana 1680, Valparaiso 2390123, Chile
关键词
molecular magnets; entanglement entropy; matrix product states; magnetization plateaus; EXCHANGE;
D O I
10.3390/magnetochemistry10020010
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
One-dimensional (1D) magnetic systems offer rich phenomena in the quantum limit, proving more chemically accessible than zero-dimensional or higher-dimensional frameworks. Single-walled carbon nanotubes (SWCNT) have recently been used to encapsulate trimetric nickel(II) acetylacetonate [Nanoscale, 2019, 11, 10615-10621]. Here, we investigate the magnetization on spin chains based on nickel trimers by Matrix Product State (MPS) simulations. Our findings reveal plateaus in the exchange/magnetic-field phase diagram for three coupling configurations, showcasing effective dimeric and trimeric spin-ordering with similar or staggered entanglement across chains. These ordered states allow the qubit-like tuning of specific local magnetic moments, exhibiting disengagement or uniform coupling in entanglement plateaus. This behavior is consistent with the experimental transition from frustrated (3D) to non-frustrated (1D) molecules, corresponding to large and smaller SWCNT diameters. Our study offers insights into the potential of 1D-confined trimers for quantum computation, extending beyond the confinement of trimetric nickel-based molecules in one dimension.
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收藏
页数:24
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