JETP, Vol. 48,
No. 6,
p. 1095 (December 1978)
(Russian original - ZhETF,
Vol. 75,
No. 6,
p. 2173,
December 1978
)
Bound states of magnons in a spin chain with "easy-plane" anisotropy
G.I. Georgiev, Yu. A. Kosevich, V.M. Tsukernik
Received: April 21, 1978
|
|