Chirality and flux in two-dimensional spin-1/2 antiferromagnets — exact diagonalization study

研究成果: Article

21 引用 (Scopus)

抄録

The possibility of chiral symmetry breaking in quantum spin systems is examined by the extrapolation of exactly diagonalized results on finite lattices in the ground state. Both on the triangular and the square lattice, linear dependence of squared chirality on the inverse linear size in the free boundary condition strongly suggests that the correlation of chirality defined by S1 (S2 × S2) is short-ranged in the thermodynamic limit, which also leads to the absence of the flux state.

元の言語English
ページ(範囲)2650-2653
ページ数4
ジャーナルJournal of the Physical Society of Japan
58
発行部数8
DOI
出版物ステータスPublished - 1989 1 1
外部発表Yes

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chirality
free boundaries
extrapolation
broken symmetry
boundary conditions
thermodynamics
ground state

ASJC Scopus subject areas

  • Physics and Astronomy(all)

これを引用

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abstract = "The possibility of chiral symmetry breaking in quantum spin systems is examined by the extrapolation of exactly diagonalized results on finite lattices in the ground state. Both on the triangular and the square lattice, linear dependence of squared chirality on the inverse linear size in the free boundary condition strongly suggests that the correlation of chirality defined by S1 (S2 × S2) is short-ranged in the thermodynamic limit, which also leads to the absence of the flux state.",
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AB - The possibility of chiral symmetry breaking in quantum spin systems is examined by the extrapolation of exactly diagonalized results on finite lattices in the ground state. Both on the triangular and the square lattice, linear dependence of squared chirality on the inverse linear size in the free boundary condition strongly suggests that the correlation of chirality defined by S1 (S2 × S2) is short-ranged in the thermodynamic limit, which also leads to the absence of the flux state.

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