Linewidth of Cyclotron Absorption in Band-Gap Graphene: Relaxation Time Approximation vs. Monte Carlo Method
| Authors | S.V. Kryuchkov1,2 , E.I. Kukhar’1 , D.V. Zav’yalov2 |
| Affiliations | 1 Volgograd State Socio-Pedagogical University, Physical Laboratory of Low-Dimensional Systems, 27, V.I. Lenin Ave., 400066 Volgograd, Russia 2 Volgograd State Technical University, 28, V.I. Lenin Ave., 400005 Volgograd, Russia |
| Е-mail | svkruchkov@yandex.ru, eikuhar@yandex.ru, sinegordon@gmail.com |
| Issue | Volume 7, Year 2015, Number 1 |
| Dates | Received 17 November 2014; revised manuscript received 09 March 2015; published online 25 March 2015 |
| Citation | S.V. Kryuchkov, E.I. Kukhar’, D.V. Zav’yalov, J. Nano- Electron. Phys. 7 No 1, 01007 (2015) |
| DOI | |
| PACS Number(s) | 72.80.Vp, 72.20.Ht, 72.15.Gd |
| Keywords | Graphene (23) , Cyclotron resonance, Monte Carlo method (4) . |
| Annotation | The power of the elliptically polarized electromagnetic radiation absorbed by band-gap graphene in presence of constant magnetic field is calculated. The linewidth of cyclotron absorption is shown to be non-zero even if the scattering is absent. The calculations are performed analytically with the Boltzmann kinetic equation and confirmed numerically with the Monte Carlo method. The dependence of the linewidth of the cyclotron absorption on temperature applicable for a band-gap graphene in the absence of collisions is determined analytically. |
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