Roman Polozkov, Natalia Senkevich, S. Morina, P. Kuzhir, Mikhail Portnoi, Ivan Shelykh, "Carbon nanotube array as a van der Waals two-dimensional hyperbolic material", Physical Review B, vol. 100, pp. 235401, 2019, [DOI: 10.1103/physrevb.100.235401] [IF: 3.58, SJR: 1.81]Thomas P. Collier, Mikhail Portnoi, "Double-Gated Nanohelix as a Novel Tunable Binary Superlattice", Nanoscale Research Letters, vol. 14, pp. 257, 2019, [DOI: 10.1186/s11671-019-3069-9] [IF: 3.58, SJR: 0.79]Mikhail Portnoi, "Interband transitions in narrow-gap carbon nanotubes and graphene nanoribbons", Journal of Applied Physics, vol. 125, pp. 151607, 2019, [DOI: 10.1063/1.5080009] [IF: 2.29, SJR: 0.73]C. A. Downing, Mikhail Portnoi, "Trapping Charge Carriers in Low-Dimensional Dirac Materials", International Journal of Nanoscience, vol. 18, pp. 1940001, 2019, [DOI: 10.1142/s0219581x19400015] Charles A. Downing, Mikhail Portnoi, "Zero‐Energy Vortices in Dirac Materials", Physica Status Solidi (B): Basic Research, vol. 256, pp. 1800584, 2019, [DOI: 10.1002/pssb.201800584] [IF: 1.45, SJR: 0.52]Vanik Shahnazaryan, Ivan Shelykh, Mikhail Portnoi, "Strong Light–Matter Coupling in Carbon Nanotubes as a Route to Exciton Brightening", ACS Photonics, vol. 6, pp. 904-914, 2019, [DOI: 10.1021/acsphotonics.8b01543] [IF: 6.86, SJR: 2.97]Natalia Senkevich, Roman Polozkov, S Morina, E D Cherotchenko, Mikhail Portnoi, Ivan Shelykh, "Ab-initio study of electronic properties of a two-dimensional array of carbon nanotubes", Journal of Physics: Conference Series, vol. 1092, pp. 012120, 2018, [DOI: 10.1088/1742-6596/1092/1/012120] [SJR: 0.24]T. P. Collier, V. A. Saroka, Mikhail Portnoi, "Tuning terahertz transitions in a double-gated quantum ring", Physical Review B, vol. 96, 2017, [DOI: 10.1103/physrevb.96.235430] [IF: 3.81, ]C. A. Downing, Mikhail Portnoi, "Bielectron vortices in two-dimensional Dirac semimetals", Nature Communications, vol. 8, 2017, [DOI: 10.1038/s41467-017-00949-y] [IF: 12.35, SJR: 6.58]C A Downing, Mikhail Portnoi, "Localization of massless Dirac particles via spatial modulations of the Fermi velocity", Journal of Physics: Condensed Matter, vol. 29, pp. 315301, 2017, [DOI: 10.1088/1361-648x/aa7884] [IF: 2.71, SJR: 0.94]V. A. Saroka, M. V. Shuba, Mikhail Portnoi, "Optical selection rules of zigzag graphene nanoribbons", Physical Review B, vol. 95, 2017, [DOI: 10.1103/physrevb.95.155438] [IF: 3.81, SJR: 1.81]C. A. Downing, Mikhail Portnoi, "One-dimensional Coulomb problem in Dirac materials", Physical Review A, vol. 90, 2014, [DOI: 10.1103/physreva.90.052116] [IF: 2.81, SJR: 1.42]R R Hartmann, J Kono, Mikhail Portnoi, "Terahertz science and technology of carbon nanomaterials", Nanotechnology, vol. 25, pp. 322001, 2014, [DOI: 10.1088/0957-4484/25/32/322001] [IF: 3.82, SJR: 1.50]R. R. Hartmann, Mikhail Portnoi, "Quasi-exact solution to the Dirac equation for the hyperbolic-secant potential", Physical Review A, vol. 89, 2014, [DOI: 10.1103/physreva.89.012101] [IF: 2.81, ]Mikhail Portnoi, C. A. Downing, R. R. Hartmann, Ivan Shelykh, "Excitons and interband terahertz transitions in narrow-gap carbon nanotubes", 2013 International Conference on Electromagnetics in Advanced Applications (ICEAA), 2013, [DOI: 10.1109/iceaa.2013.6632229] A. M. Alexeev, Ivan Shelykh, Mikhail Portnoi, "Aharonov-Bohm quantum rings in high-Qmicrocavities", Physical Review B, vol. 88, 2013, [DOI: 10.1103/physrevb.88.085429] [IF: 3.66, ]K. B. Arnardottir, O. Kyriienko, Mikhail Portnoi, Ivan Shelykh, "One-dimensional Van Hove polaritons", Physical Review B, vol. 87, 2013, [DOI: 10.1103/physrevb.87.125408] [IF: 3.66, ]C. A. Downing, D. A. Stone, Mikhail Portnoi, "Zero-energy states in graphene quantum dots and rings", Physical Review B, vol. 84, 2011, [DOI: 10.1103/physrevb.84.155437] [IF: 3.69, ]R. R. Hartmann, Ivan Shelykh, Mikhail Portnoi, "Excitons in narrow-gap carbon nanotubes", Physical Review B, vol. 84, 2011, [DOI: 10.1103/physrevb.84.035437] [IF: 3.69, ]R. R. Hartmann, Ivan Shelykh, Mikhail Portnoi, "Excitons in narrow-gap carbon nanotubes", Physical Review B, vol. 84, 2011, [DOI: 10.1103/physrevb.84.035437] [IF: 3.69, ]R. R. Hartmann, N. J. Robinson, Mikhail Portnoi, "Smooth electron waveguides in graphene", Physical Review B, vol. 81, 2010, [DOI: 10.1103/physrevb.81.245431] [IF: 3.77, ]