1.	R. Nourafkan, M. Capone and N. Nafari Surface Polaron Formation in the Holstein model Phys. Rev. B 80 (2009), 155130  [abstract]    arXive.org link: arXiv:0905.1379 [ abs, src, ps, others], cited by Code: IPM/P-2009/036

2.	R. Nourafkan, M. Capone and N. Nafari Single bipolaronic Transition in Jahn-Teller Model  (Preprint) [abstract]    arXive.org link: arXiv:0904.1711 [ abs, src, ps, others], cited by Code: IPM/P-2009/035

3.	M. Pashangpour, K. Imani, A.A. Sabouri-Dodaran and N. Nafari The Calculation of the Effective Interaction Parameter in LDA+U Method by Linear Response Approach for Fe(OH)2 Phys. Rev. B (Accepted) [abstract]    arXive.org link: arXiv:0812.4116 [ abs, src, ps, others], cited by Code: IPM/P-2008/071

4.	R. Nourafkan and N. Nafari Phase Diagram of Holstein-Kondo Lattice Model at Half-Filling Phys. Rev. B 79 (2009), 075122   [abstract]    arXive.org link: arXiv:0806.2437 [ abs, src, ps, others], cited by Code: IPM/P-2008/038

5.	R. Nourafkan and N. Nafari Kondo Lattice Model at Half-Filling J. Physics: Condens. Matter 20 (2008), 255231  [abstract]    arXive.org link: arXiv:0708.2148v1 [ abs, src, ps, others], cited by Code: IPM/P-2008/030

6.	N. Abed-Pour, M. Neek-Amal, R. Asgari, F. Shahbazi, N. Nafari and M. R. Rahimi Tabar Roughness of Undoped Graphene and Its Short-Range Induced Gauge Field Phys. Rev. B 76 (2007), 195407  [abstract]    Code: IPM/P-2007/024