Dynamics of a dimerized quantum-spin chain with competing interactions

I. Harada; S. Mori; N. Ohtsuka

doi:10.1016/S0304-8853(97)00386-7

Dynamics of a dimerized quantum-spin chain with competing interactions

I. Harada, S. Mori, N. Ohtsuka

Educational Center for Researchers of the Next Generation

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2 Citations (Scopus)

Abstract

We study the dynamical spin correlation function of the S = 1/2 antiferromagnetic chain with alternating nearest-neighbor exchange interactions and with competing next-nearest-neighbor exchange interactions, emphasizing the role played by the dimer order in the ground state. In particular, a triplet dimer in the singlet-dimer background is discussed in connection with the numerical result.

Original language	English
Pages (from-to)	665-666
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	177-181
Issue number	PART 1
DOIs	https://doi.org/10.1016/S0304-8853(97)00386-7
Publication status	Published - Jan 1998

Keywords

Antiferromagnets-frustrated
One-dimensional system
Second-neighbor interaction
Spin dynamics

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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abstract = "We study the dynamical spin correlation function of the S = 1/2 antiferromagnetic chain with alternating nearest-neighbor exchange interactions and with competing next-nearest-neighbor exchange interactions, emphasizing the role played by the dimer order in the ground state. In particular, a triplet dimer in the singlet-dimer background is discussed in connection with the numerical result.",

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AU - Mori, S.

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AB - We study the dynamical spin correlation function of the S = 1/2 antiferromagnetic chain with alternating nearest-neighbor exchange interactions and with competing next-nearest-neighbor exchange interactions, emphasizing the role played by the dimer order in the ground state. In particular, a triplet dimer in the singlet-dimer background is discussed in connection with the numerical result.

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KW - One-dimensional system

KW - Second-neighbor interaction

KW - Spin dynamics

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