About

AREA OF SPECIALIZATION

Study, understand and predict properties of materials from the first principle simulations.
Spin-orbit coupling in Spinor-Bose-Einstein Condensation.

Education

PhD (Germany)

BSc, MPhil (Ethiopia)

Research Interest

Understand properties of materials from the first principles calculations, Ultracold atomic gases, Spinor Bose-Einstein Condensation (Dipolar Fermi and Bose atoms, Cold atoms in optical lattices), Atom Optics, Quantum Optics, Strongly-correlated atomic gases.

Publications

[1] Obodo Kingsley, Moro Naphtaly, G. Gebreyesus, Obodo Joshua, Ezeonu Stella, B. Bouhafs, DFT + U studies of the electronic and optical properties of ReS2 mono-layer doped with lanthanide atoms, Materials Research Express, 6 2053-1591, (2019).

[2] Van W. Elloh, Abu Yaya, G. Gebreyesus, Piyush Dua, Abhishek K. Mishra, New 2D Structural Materials: Carbon–Gallium Nitride (CC–GaN) and Boron-Gallium Nitride (BN–GaN) Heterostructures–Materials Design Through Density Functional Theory, ACS Omega, 4, 11722-1728, (2019).

[3] K.W.Kayang, E.Nyankson, J.K.Efavi, V.A.Apalangya, B.I.Adetunji, G.Gebreyesus, R.Tia, E.K.K.Abavare, B.Onwona-Agyeman, A.Yaya, A comparative study of the interaction of nickel, titanium, palladium, and gold metals with single-walled carbon nanotubes: A DFT approach, Results in Physics, 12, pp. 2100-2106,( 2019).

[4] Kingsley O Obodo, Cecil N M Ouma, Grebremedh Gebreyesus, Joshua T Obodo, Moritz Braun, Effect of Dipole Corrections and Spin Orbit Coupling on Tungsten Dichalcogenides Monolayer: A in Silico First Principles Study, Open Innovations Conference (OI), pp. 115 - 119, (2018).

[5] Azimatu Seidu, Martin Egblewogbe, G. Gebreyesus, Doping Induced Band gap widening in Transition-metal doped ZnO Nanocrystals, MRS Advances,3, 42-43, pp. 2643-2652, (2018).

[6] Martin Egblewogbe, G. Gebreyesus, S. A Atarah, Determination of the Growth Rate of Hydrothermally Synthesised ZnO2 Crystallites, Journal of Nano Research 50 41 - 47 (2017).

[7] M. Scherer, B. Lücke, G. Gebreyesus, O. Topič, F. Deuretzbacher, W. Ertmer, L. Santos, J. J. Arlt, and C. Klempt, Spontaneous symmetry breaking in spinor Bose-Einstein condensates,, Phys. Rev. Lett. A 88 053624 (2013).

[8] M. Scherer, B. Lücke, G. Gebreyesus, O. Topič, F. Deuretzbacher, W. Ertmer, L. Santos, J. J. Arlt, and C. Klempt, Spontaneous Breaking of Spatial and Spin Symmetry in Spinor Condensates, Phys. Rev. Lett. 105 135302 (2010).

[9] F. Deuretzbacher, G. Gebreyesus, O. Topič, M. Scherer, B. Lücke, W. Ertmer, J. Arlt, C. Klempt, and L. Santos, Parametric amplification of matter waves in dipolar spinor Bose-Einstein condensates, Phys. Rev. A 82, 053608 (2010).

[10] C. Klempt, O. Topič, G. Gebreyesus, M. Scherer, T. Henninger, P. Hyllus, W. Ertmer, L. Santos and J. J. Arlt, Parametric amplification of vacuum fluctuations in a spinor condensate, Phys. Rev. Lett. 104, 195303 (2010).

[11] C. Klempt, O. Topič, G. Gebreyesus, M. Scherer, T. Henninger, P. Hyllus, W. Ertmer, L. Santos und J. J. Arlt,Observation of Vacuum Fluctuations in a Spinor Bose-Einstein Condensate, Laser Spectroscopy, 39-48 (2010).

[12] O. Topič, G. Gebreyesus, M. Scherer, T. Henninger, P. Hyllus, C. Klempt, W. Ertmer, L. Santos und J. J. Arlt, Multi-Resonant Amplification of Quantum Fluctuations in a Spinor Gas, Las. Phys.,20, 1-7 (2010).

[13] C. Klempt, O. Topič, G. Gebreyesus, M. Scherer, T. Henninger, P. Hyllus, W. Ertmer, L. Santos and J. Arlt, Multiresonant Spinor Dynamics in a Bose-Einstein Condensate, Phys. Rev. Lett., 103, 195302 (2009).

google scholar: https://scholar.google.com/citations?user=CRuBfu4AAAAJ&hl=en