Condensed Matter theory, Transport properties in low dimensional systems, graphene
Spintronix, spin-orbit interaction in highly correlated systems
Excitons and superfluidity
Optical and electronic properties of nano magnetic materials
Courses Taught
Introductory Astronomy: Astronomy 100 and Astronomy 102
Introductory physics: Physics 110/120, 111/121
Electrodynamics I and II
Classical Mechanics
Quantum Mechanics
Publications and Conferences
Blocked electron transmission/reflection by coupled Rashba–Zeeman effects for forward and backward spin filtering, Po-Hsin Shih, Godfrey Gumbs, Danhong Huang, Andrii Iurov, and Yonatan Abranyos, J. Appl. Phys.132, 154302 (2022)
Rashba spin-orbit coupling and quantum-interference effect for a pair of spin-correlated electrons in their tunneling and reflection under a step potential, Po-Hsin Shih, Godfrey Gumbs, Danhong Huang, Andrii Iurov, and Yonatan Abranyos, arXiv:2203 (2022)
Finite-temperature plasmons, damping, and collective behavior in the model α – T3, Andrii Iurov, Liubov Zhemchuzhna, Godfrey Gumbs, Danhong Huang, Dipendrra Dahal, and Yonatan Abranyos, Phys. Rev. B 105, 245414 (2022)
Superfluidity of dipolar excitons in doped double-layered hexagonal lattice in a strong magnetic field, Yonatan Abranyos,, Oleg L. Berman , and Godfrey Gumbs, Phys. Rev. B 102, 155408, (2020)
Quantum ballistic transport by interacting two-electron states in quasi-one-dimensional channels. Danhong Huang, Godfrey Gumbs, Yonatan Abranyos, Michael Pepper, and Sanjeev Kumar, AIP Advances 5, 117227 (2015)
Interplay of hybrid and unhybrid quantum transport of interacting electron pairs through a short conduction channel, Danhong Huang, Godfrey Gumbs, Yonatan Abranyos, Michael Pepper, and Sanjeev Kumar, arXiv:1505.00515 (2015)
Ultra fast optical detection of magnetic inhomogeneity in ferromagnetic La0.67Ca0.33MnO3. Y Gong, Z. Zhang, D. Ascienzo, Y. Abranyos, H. B. Zhao, G. Lüpke, Qi Li, Y. H. Ren. EPL 08, 17010 (2014).
Second Harmonic Generation in Gapped Graphene. Godfrey Gumbs, Yonatan Abranyos, Upali Aparajita and Olesky Roslyak. AIP Conf. Proc. 1590, 143 (2014).
Spin-dependent scattering by a potential barrier on a nanotube, Yonatan Abranyos, Godfrey Gumbs and Paula Fekete, J. Phys.: Condens. Matter22 505304 (2010).
Spin-split excitation gap and spin entanglement of a pair of interacting electrons in a quantum dot. Godfrey Gumbs, Danhong Huang, M D Blumenthal, Samuel J Wright, M Pepper, Yonatan Abranyos. Semiconductor Science and Technology 10/2009; 24, 115001 (2009).
Plasma excitation in cylindrical nanotubes with spin splitting. Godfrey Gumbs, Yonatan Abranyos and Tibab McNeish. J. Phys. Condens. Matter19 106213 (2007).
Enhancement of the exchange coupling by spin-orbit interaction on nanotubes. Yonatan Abranyos and Godfrey Gumbs. Phys. Rev. B 75, 085404 (2007).
Optical absorption and plasma instabilities for nanotubes with spin-orbit interaction. Godfrey Gumbs, Antonios Balassis and Yonatan Abranyos. Proc. Abranyos. Proc. SPIE 6244, 62440B (2006).
Quantum Entangled States on a pair of nanotubes. Godfrey Gumbs and Yonatan Abranyos. Proc. SPIE 6244, 62440B (2006).
Effect of spin-orbit interaction on the quenching of the acustoelectric current in quasi-one-dimensional Channel. Godfrey Gumbs and Yonatan Abranyos. Phys Rev. B 73, 085303 (2006).
Quantum Entanglement for Acoustic Spintronix. G. Gumbs and Y. Abranyos. Phys. Rev. A 70, 050302(R) (2004).
Analysis of Leakage and Quantum Entanglement for Acoustic Spintronics, G. Gumbs and Y. Abranyos, SPIE Proceedings, 5436-23 (2004).
Phase locking of a two-dimensional laser array by controlling the far-field pattern, Y. Zhou, L. Liu, C. Eston, Y. Abranyos, A. Padilla and Y.C. Chen, Applied Physics Letters, 84, 3025 (2004).
Degree of entanglement in a quantum measurement, M. Jakob, Y, Abranyos and J. Bergou, Phys. Rev. A 66, (2002).
Phase locking of a two-dimensional solid-state laser array in a self-imaging cavity, Y. Zhou, L. Liu, C. Eston, Y. Abranyos, A. Padilla and Y.C. Chen, 3025 Conference on Lasers and Electro-Optics 2003.
Quantum measurement apparatus with a squeezed reservoir: Control of decoherence and non-locality in phase space, Y. Abranyos, M. Jakob and J. Bergou, Phys. Rev. a 64, 062102 (2001).
A comparative study of hyperbunching in the fluorescence from a bichromatically driven atom, M. Jakob, Y. Abranyos and J. Bergou, J. Opt B: Quantum Semiclass, Opt. 3 130 (2001).
Interference and partial which-way information: A quantitative test of duality in two-atom resonance, Y. Abranyos, M. Jakob and J. Bergou, Phys. Rev. A 61, 013804 (2000).
Quantum Eraser and the Decoherence Time of a Measurement Process, Y. Abranyos, M. Jakob and J. Bergou, Phys. Rev. A RC 60, 2618 (1999).
Resonance Fluorescence of a Trapped Four-Level Atom with Bichromatic Driving, J. Bergou, M. Jakob and Y. Abranyos, Acata Physica Slovaka 49, 501 (1999).
Quantum Eraser and the Decoherence Time of a Local Measurement Process, Y. Abranyos, M. Jakob and J. Bergou, Acta Physics Slovaka 48, 255 (1998).
Low frequency Theory of Multi-Photon Ionization, Y. Abranyos and M.H. Mittleman, Phys. Rev. A 42, 4284 (1990)
Annual APS Meeting, Magnetoplasmons and magnetoexcitons in doped double-layered α-T3 lattice in a strong magnetic field, Boston, Massacusetts, March 2019.
Annual APS Meeting, Effect of electron-electron interaction on the conducatance of plateaus of a quantum wire. San Antonio, Texas, March 2015.
Crossing Boundaries: Transforming STEM Education, Seattle, Washington, November 2015
Annual APS Meeting, Probing magnetic inhomogeneity in La0. 67Ca0.33MnO3 by optical spin wave resonances, Denver, Colorado, March 2014.
Co-organizer, AIP Conference on Nanomaterial, London, Ontario, August 2013.
Annual APS Meeting, Second Harmonic Generation in a n Armchair Nanoribbon, Baltimore, Maryland, March 2013.
Co-organizer, Workshop on Graphene, San Sebastian, Spain, August 2011.
Annual APS Meeting, Spin-dependent Tunneling through a Potential Barrier on a Nanotube, Dallas, Texas, March 2011.
Annual APS Meeting, Spin-Orbit Interaction for Cylindrical Nanotubes, Baltimore, Maryland, March 2006.
Annual APS Meeting, Quantum Entanglement for Acoustic Spintronics, Montreal Canada, April 2004.
Annual Emerge Conference, Degree of Entanglement in a quantum measurement process, Atlanta Georgia, 2003
Annual Conference of the National Society of Black Physicists, Decoherence and non-locality in phase space in a quantum apparatus, Atlanta, Georgia 2002.
The Seventh International Wigner Symposium, Quantum measurement apparatus with a squeezed reservoir: Control of decoherence and non-locality in phase space, University of Maryland, 2001.
The Eighth Annual International Laser Physics Workshop, Detection statistics in the micromaser, Budapest Hungary, 1999.
The Fifth Central-European Workshop on Quantum Optics, Resonance fluorescence from a bichromatically driven two four-level atoms, Prague, Czech Republic, 1999.
The Fifth Central-European Workshop on Quantum Optics, Quantum Eraser and the Decoherence Time of a Local Measurement Process, Prague, Czech Republic, 1998.