Symplectic symmetry of Hubbard model and η pairing

C. C. Sun; B. F. Li; Z. S. Li

doi:10.1063/1.531363

Symplectic symmetry of Hubbard model and η pairing

C. C. Sun^*, B. F. Li, Z. S. Li

^*Corresponding author for this work

Jilin University

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

By means of symplectic group Sp(2M), the symplectic symmetry of the Hubbard model and the η pairing are investigated to approach the eigenstates which have the largest spin multiplicities. The behavior of the off-diagonal long-range order of these eigenstates is examined by the criterion proposed by Yang and the energy diagram of the corresponding eigenvalues is elucidated by the η pairing mechanism. A basis set which is expressible in terms of η and η_a pairings is proposed.

Original language	English
Pages (from-to)	1177-1191
Number of pages	15
Journal	Journal of Mathematical Physics
Volume	36
Issue number	3
DOIs	https://doi.org/10.1063/1.531363
Publication status	Published - 1995
Externally published	Yes

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Sun, C. C., Li, B. F., & Li, Z. S. (1995). Symplectic symmetry of Hubbard model and η pairing. Journal of Mathematical Physics, 36(3), 1177-1191. https://doi.org/10.1063/1.531363

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abstract = "By means of symplectic group Sp(2M), the symplectic symmetry of the Hubbard model and the η pairing are investigated to approach the eigenstates which have the largest spin multiplicities. The behavior of the off-diagonal long-range order of these eigenstates is examined by the criterion proposed by Yang and the energy diagram of the corresponding eigenvalues is elucidated by the η pairing mechanism. A basis set which is expressible in terms of η and ηa pairings is proposed.",

author = "Sun, {C. C.} and Li, {B. F.} and Li, {Z. S.}",

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AU - Sun, C. C.

AU - Li, B. F.

AU - Li, Z. S.

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N2 - By means of symplectic group Sp(2M), the symplectic symmetry of the Hubbard model and the η pairing are investigated to approach the eigenstates which have the largest spin multiplicities. The behavior of the off-diagonal long-range order of these eigenstates is examined by the criterion proposed by Yang and the energy diagram of the corresponding eigenvalues is elucidated by the η pairing mechanism. A basis set which is expressible in terms of η and ηa pairings is proposed.

AB - By means of symplectic group Sp(2M), the symplectic symmetry of the Hubbard model and the η pairing are investigated to approach the eigenstates which have the largest spin multiplicities. The behavior of the off-diagonal long-range order of these eigenstates is examined by the criterion proposed by Yang and the energy diagram of the corresponding eigenvalues is elucidated by the η pairing mechanism. A basis set which is expressible in terms of η and ηa pairings is proposed.

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U2 - 10.1063/1.531363

DO - 10.1063/1.531363

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VL - 36

SP - 1177

EP - 1191

JO - Journal of Mathematical Physics

JF - Journal of Mathematical Physics

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Symplectic symmetry of Hubbard model and η pairing

Abstract

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