Unconventional Thermal and Magnetic-Field-Driven Changes of a Bipartite Entanglement of a Mixed Spin-(1/2,<i>S</i>) Heisenberg Dimer with an Uniaxial Single-Ion Anisotropy.
Hana Vargová, Jozef Strečka
Abstract
) Heisenberg dimers with S>1, which are manifested in a surprising oscillating magnetic-field dependence of the negativity observed at low enough temperature.
Topics & Concepts
Quantum entanglementCondensed matter physicsSpinsSpin (aerodynamics)AntiferromagnetismPhysicsHeisenberg modelAnisotropyQuantum mechanicsChemistryQuantumThermodynamicsQuantum and electron transport phenomenaQuantum Information and CryptographyQuantum many-body systems