Abstract
The effect of a magnetic field applied perpendicular to the spin-preferred axis on surface spin waves in a body-centered-cubic antiferromagnet is studied theoretically. The continuum model for the magnetic medium is adopted to study the acoustic mode of surface waves. It is found that the surface spin-wave frequency increases with increasing magnetic field and that the surface mode merges into the bulk spin-wave band if the magnetic field H becomes equal to Hc[2(1+fξ)]12. Here Hc denotes the spin-flop critical field, ξ is the angle between the quantization axis of the surface spin and that of the bulk spin, and f is a numerical factor which is smaller than unity.
| Original language | English |
|---|---|
| Pages (from-to) | 3972-3977 |
| Number of pages | 6 |
| Journal | Physical Review B |
| Volume | 13 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 1976 |
| Externally published | Yes |
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ASJC Scopus subject areas
- Condensed Matter Physics
Cite this
Magnetic field effects on surface spin waves in a body-centered-cubic antiferromagnet. / Nagai, O.; Harada, I.; Huffaker, J. N.
In: Physical Review B, Vol. 13, No. 9, 1976, p. 3972-3977.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Magnetic field effects on surface spin waves in a body-centered-cubic antiferromagnet
AU - Nagai, O.
AU - Harada, I.
AU - Huffaker, J. N.
PY - 1976
Y1 - 1976
N2 - The effect of a magnetic field applied perpendicular to the spin-preferred axis on surface spin waves in a body-centered-cubic antiferromagnet is studied theoretically. The continuum model for the magnetic medium is adopted to study the acoustic mode of surface waves. It is found that the surface spin-wave frequency increases with increasing magnetic field and that the surface mode merges into the bulk spin-wave band if the magnetic field H becomes equal to Hc[2(1+fξ)]12. Here Hc denotes the spin-flop critical field, ξ is the angle between the quantization axis of the surface spin and that of the bulk spin, and f is a numerical factor which is smaller than unity.
AB - The effect of a magnetic field applied perpendicular to the spin-preferred axis on surface spin waves in a body-centered-cubic antiferromagnet is studied theoretically. The continuum model for the magnetic medium is adopted to study the acoustic mode of surface waves. It is found that the surface spin-wave frequency increases with increasing magnetic field and that the surface mode merges into the bulk spin-wave band if the magnetic field H becomes equal to Hc[2(1+fξ)]12. Here Hc denotes the spin-flop critical field, ξ is the angle between the quantization axis of the surface spin and that of the bulk spin, and f is a numerical factor which is smaller than unity.
UR - http://www.scopus.com/inward/record.url?scp=35949030063&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=35949030063&partnerID=8YFLogxK
U2 - 10.1103/PhysRevB.13.3972
DO - 10.1103/PhysRevB.13.3972
M3 - Article
AN - SCOPUS:35949030063
VL - 13
SP - 3972
EP - 3977
JO - Physical Review B-Condensed Matter
JF - Physical Review B-Condensed Matter
SN - 1098-0121
IS - 9
ER -