THE SPIN WAVE THEORY OF A HEISENBERG FERROMAGNETIC SYSTEM WITH BIQUADRATIC EXCHANGE INTERACTION AT LOW TEMPERATURES
Keyword(s):
1980 ◽
Vol 33
(3)
◽
pp. 303-307
◽
Keyword(s):
1971 ◽
Vol 12
(10)
◽
pp. 2144-2150
◽
2012 ◽
Vol 81
(9)
◽
pp. 094712
◽
1992 ◽
Vol 4
(43)
◽
pp. 8339-8356
◽
2001 ◽
Vol 234
(2)
◽
pp. 320-330
◽