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Low-Frequency Spin Oscillation Branch in a System with Exchange Interaction |
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| Authors: | Zhukovskaya L. V. Savchenko A. M. Sadovnikova M. B. |
| Affiliation: | (1) Moscow State University, Moscow, Russia |
| Abstract: | We find the spin oscillation branch with the frequency   =( H/ )(k/kc)2 in the paramagnetic phase for systems with exchange interaction in the presence of an external magnetic field  . |
| Keywords: | spin fluctuations spin dynamics exchange interaction current dynamical magnetic susceptibility tensor |
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