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quant-ph2025
Effect of Single-Ion Anisotropy on Stability of Quantum and Thermal Entanglement in a Mixed-Spin Heisenberg Trimer
Hana Vargová, Jozef Strečka
The effect of uniaxial single-ion anisotropy on quantum entanglement is rigorously quantified using negativity in a mixed spin-(,,) Heisenberg trimer, accounting for dif…
quant-ph2023
Genuine tripartite entanglement in a mixed spin-(1/2,1) Heisenberg tetramer
Hana Vargová, Jozef Strečka
A genuine tripartite entanglement of a mixed spin-(1/2,1) Heisenberg tetramer is rigorously analyzed in a presence of external magnetic field. The couple of mixed spin-(1/2,1) dime…