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11 papers · 2 filters
Alternative Decomposition of Two-Qutrit Pure States and Its Relation with Entanglement Invariants
Rui-Juan Gu, Fu-Lin Zhang, Shao-Ming Fei +1
Based on maximally entangled states in the full- and sub-spaces of two qutrits, we present an alternative decomposition of two-qutrit pure states in a form $|Ψ>=\frac{p_{1}}{\sqrt{…
Irreducible MultiQutrit Correlations in Greenberger-Horne-Zeilinger Type States
Fu-Lin Zhang, Jing-Ling Chen
Following the idea of the continuity approach in [D. L. Zhou, Phys. Rev. Lett. 101, 180505 (2008)], we obtain the degrees of irreducible multi-party correlations in two families of…
Local correlations of mixed two-qubit states
Fu-Lin Zhang, Jing-Ling Chen, Chang-Liang Ren +1
The quantum probability distribution arising from single-copy von Neumann measurements on an arbitrary two-qubit state is decomposed into the local and nonlocal parts, in the appro…
Yangian symmetry in molecule {V6} and four-spin Heisenberg model
Xu-Biao Peng, Cheng-Ming Bai, Mo-Lin Ge
The symmetry operator is introduced to re-describe the Heisenberg spin triangles in the \{V6\} molecule, where stands for the Yangian operator which can be vie…
Higgs algebraic symmetry in the two-dimensional Dirac equation
Fu-Lin Zhang, Bo Fu, Jing-Ling Chen
The dynamical symmetry algebra of the two-dimensional Dirac Hamiltonian with equal scalar and vector Smorodinsky-Winternitz potentials is constructed. It is the Higgs algebra, a cu…
Rigorous results for tight-binding networks: particle trapping and scattering
L. Jin, Z. Song
We investigate the particle trapping and scattering properties in a tight-binding network which consists of several subgraphs. The particle trapping condition is proved under which…