Kinetics of Strongly Nonequilibrium Magnon Gas Leading to Bose-Einstein Condensation
| Authors | D.V. Slobodianiuk , O.V. Prokopenko |
| Affiliations | Taras Shevchenko National University of Kyiv, 64/13, Volodymyrska Str., 01601 Kyiv, Ukraine |
| Е-mail | denslobod@ukr.net |
| Issue | Volume 9, Year 2017, Number 3 |
| Dates | Received 21 March 2017; revised manuscript received 26 April 2017; published online 30 June 2017 |
| Citation | D.V. Slobodianiuk, O.V. Prokopenko, J. Nano- Electron. Phys. 9 No 3, 03033 (2017) |
| DOI | 10.21272/jnep.9(3).03033 |
| PACS Number(s) | 75.30.Ds, 75.45. + j |
| Keywords | Kinetic equation, Bose-Einstein condensation, Magnon, Kinetic instability. |
| Annotation | Kinetic equations describing nonequilibrium magnon gas under the action of parametric pumping are considered with an account of kinetic instability processes. These processes strongly influence condition of magnon Bose-Einstein condensate formation. It is shown that the number of condensed magnons increases and the threshold of condensate formation decreases when kinetic instability processes are present in a system. Obtained results are important for further development of Bose-Einstein condensation theory for nonequilibrium magnons in magnetics. |
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