Phenomenological description of a spin chain system with geometrical frustration of couplings

Автор(и)

  • A.A. Zvyagin Max-Planck-Institut für Physik komplexer Systeme, 38 Nöthnitzer Str., Dresden 01187, Germany

DOI:

https://doi.org/10.1063/1.5010322

Ключові слова:

spin chain system, magnetic susceptibility, specific heat, sound velocity.

Анотація

The phenomenological model, using which we can in a relatively simple way calculate many magnetic, thermo-dynamic and dynamic characteristics of the spin chain material with the geometrical frustration of spin-spin couplings is proposed. The results of theoretical calculations well reproduce observed details of the low-temperature behavior of the magnetization, magnetic susceptibility, specific heat, magneto-acoustic characteristics, and some dynamical properties. In particular, the model permits to explain the double peak structure of the temperature dependencies of the magnetic susceptibility, specific heat, and the renormalization of the sound velocity, and can explain several features of the ESR frequency-field diagram.

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Опубліковано

2017-09-20

Як цитувати

(1)
Zvyagin, A. Phenomenological Description of a Spin Chain System With Geometrical Frustration of Couplings. Fiz. Nizk. Temp. 2017, 43, 1676-1683.

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