
JETP, Vol. 68,
No. 5,
p. 1052 (May 1989)
(Russian original - ZhETF,
Vol. 95,
No. 5,
p. 1820,
May 1989
)
Quantum mechanical tunneling in the Heisenberg model with weak anisotropy
V.E. Vekslerchik, O.B. Zaslavskii, V.M. Tsukernik
Received: October 12, 1988
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