Fermionic concurrence in the extended Hubbard dimer
Chin. Phys. Lett. 22, 804 (2005). In this paper, we introduce and study the fermionic concurrence in a two-site extended Hubbard model. Its behaviors both at the ground state and finite temperatures as function of Coulomb interaction $U$ (on-site) and $V$ (nearest-neighbor) are obtained analytically...
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| Main Authors | , , |
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| Format | Journal Article |
| Language | English |
| Published |
12.06.2004
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| Abstract | Chin. Phys. Lett. 22, 804 (2005). In this paper, we introduce and study the fermionic concurrence in a two-site
extended Hubbard model. Its behaviors both at the ground state and finite
temperatures as function of Coulomb interaction $U$ (on-site) and $V$
(nearest-neighbor) are obtained analytically and numerically. We also
investigate the change of the concurrence under a nonuniform field, including
local potential and magnetic field, and find that the concurrence can be
modulated by these fields. |
|---|---|
| AbstractList | Chin. Phys. Lett. 22, 804 (2005). In this paper, we introduce and study the fermionic concurrence in a two-site
extended Hubbard model. Its behaviors both at the ground state and finite
temperatures as function of Coulomb interaction $U$ (on-site) and $V$
(nearest-neighbor) are obtained analytically and numerically. We also
investigate the change of the concurrence under a nonuniform field, including
local potential and magnetic field, and find that the concurrence can be
modulated by these fields. |
| Author | Lin, Hai-Qing Deng, Shu-Sa Gu, Shi-Jian |
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| BackLink | https://doi.org/10.48550/arXiv.quant-ph/0406078$$DView paper in arXiv https://doi.org/10.1088/0256-307X/22/4/007$$DView published paper (Access to full text may be restricted) |
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| Snippet | Chin. Phys. Lett. 22, 804 (2005). In this paper, we introduce and study the fermionic concurrence in a two-site
extended Hubbard model. Its behaviors both at... |
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| Title | Fermionic concurrence in the extended Hubbard dimer |
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