Mapping spin interactions from conductance peak splitting in Coulomb blockade

被引：0

作者：

Switzer, Eric D. ^{[1
]}

Zhang, Xiao-Guang ^{[2
,3
]}

Turkowski, Volodymyr ^{[1
]}

Rahman, Talat S. ^{[1
]}

机构：

[1] Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA

[2] Univ Florida, Ctr Mol Magnet Quantum Mat, Dept Phys, Gainesville, FL 32611 USA

[3] Univ Florida, Quantum Theory Project, Gainesville, FL USA

来源：

PHYSICAL REVIEW B | 2023年 / 108卷 / 17期

关键词：

ELECTRON-TRANSPORT; QUANTUM;

D O I：

10.1103/PhysRevB.108.174438

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We investigate the transport properties of a quantum dot coupled to leads interacting with a multispin system using the generalized master equation within the Coulomb blockade regime. We find that if two states for each scattering region electron manifold are included, several signatures of the interacting spin system appear in steady-state transport properties. We provide a theoretical mapping of differential conductance peak signatures and all spin Hamiltonian parameters related to the inclusion of excited state transitions between uncharged and charged electron manifolds. Our predictions describe a scheme of only using a quantum dot and differential conductance to measure magnetic anisotropy, interspin exchange coupling, exchange coupling between the spin system and itinerant electron, and applied magnetic field response.

引用

页数：12

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