Abstract
We study the spin dynamics in a 3D quantum antiferromagnet on a face-centered-cubic (fcc) lattice. The effects of magnetic field, single-ion anisotropy, and biquadratic interactions are investigated using linear spin-wave theory with spins in a canted basis about the type-IIA fcc antiferromagnetic ground state structure which is known to be stable. We calculate the expected finite-frequency neutron scattering intensity and give qualitative criteria for typical fcc materials MnO and CoO. The magnetization reduction due to quantum zero point fluctuations is also analyzed.
| Original language | English (US) |
|---|---|
| Article number | 054409 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 85 |
| Issue number | 5 |
| DOIs | |
| State | Published - Feb 7 2012 |
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ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
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Effects of magnetic field, anisotropy, and biquadratic interactions in type-IIA fcc antiferromagnets studied by linear spin-wave theory. / Datta, Trinanjan; Yao, Dao Xin.
In: Physical Review B - Condensed Matter and Materials Physics, Vol. 85, No. 5, 054409, 07.02.2012.Research output: Contribution to journal › Article
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TY - JOUR
T1 - Effects of magnetic field, anisotropy, and biquadratic interactions in type-IIA fcc antiferromagnets studied by linear spin-wave theory
AU - Datta, Trinanjan
AU - Yao, Dao Xin
PY - 2012/2/7
Y1 - 2012/2/7
N2 - We study the spin dynamics in a 3D quantum antiferromagnet on a face-centered-cubic (fcc) lattice. The effects of magnetic field, single-ion anisotropy, and biquadratic interactions are investigated using linear spin-wave theory with spins in a canted basis about the type-IIA fcc antiferromagnetic ground state structure which is known to be stable. We calculate the expected finite-frequency neutron scattering intensity and give qualitative criteria for typical fcc materials MnO and CoO. The magnetization reduction due to quantum zero point fluctuations is also analyzed.
AB - We study the spin dynamics in a 3D quantum antiferromagnet on a face-centered-cubic (fcc) lattice. The effects of magnetic field, single-ion anisotropy, and biquadratic interactions are investigated using linear spin-wave theory with spins in a canted basis about the type-IIA fcc antiferromagnetic ground state structure which is known to be stable. We calculate the expected finite-frequency neutron scattering intensity and give qualitative criteria for typical fcc materials MnO and CoO. The magnetization reduction due to quantum zero point fluctuations is also analyzed.
UR - http://www.scopus.com/inward/record.url?scp=84857591669&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84857591669&partnerID=8YFLogxK
U2 - 10.1103/PhysRevB.85.054409
DO - 10.1103/PhysRevB.85.054409
M3 - Article
AN - SCOPUS:84857591669
VL - 85
JO - Physical Review B-Condensed Matter
JF - Physical Review B-Condensed Matter
SN - 0163-1829
IS - 5
M1 - 054409
ER -