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  1. Main
  2. Employees
  3. Vadim Robert Ohanyan
download PDF
23-88
(060) 71-03-88
vadim.ohanyan@ysu.am
Vadim
Robert
Ohanyan
Research Institute of Physics
Laboratory of Theoretical Physics
Senior researcher

Personal information

Date of birth
1976
Education
Institution
Yerevan State University
Faculty
Faculty of Physics, chair of Theoretical Physics
Date
1998 - 2001
Degree name
PhD student
Institution
Yerevan State University
Faculty
Faculty of Physics, chair of Theoretical Physics
Date
1993 - 1998
Degree name
Qualified specialist
Scientific Rank/degree
Institution
Yerevan Physics Institute
Date
2003
Degree name
Candidate
Specialty
Physico-mathematical sciences
Scientific Supervisor
Nerses Ananikian
Research Topic
Phase transitions and Magnetization Plateaus in some spin systems, recursive lattices, one-dimensional chains and non-linear sigma-model
Language skills
Русский
English
Deutsch
Українська

Publications

- Կատեգորիա -
Article
Molecular nanomagnet Cu2+⁢Ni2+⁢Cu2+ as a resource for bipartite and tripartite quantum entanglement and coherence
Azadeh Ghannadan
Hamid Arian Zad
Saeed Haddadi
Jozef Strečka
Zhirayr Adamyan
Vadim Ohanyan
Physical Review A
2025
022605
Article
Quantum entanglement in a mixed-spin trimer: Effects of a magnetic field and heterogeneous g factors
Vadim Ohanyan
Zhirayr Adamyan
Physical Review E
2024
034131
Article
Magnetization plateaus and enhanced magnetocaloric effect of a spin-1/2 Ising-Heisenberg and Heisenberg double sawtooth ladder with four-spin interaction
Hamid Arian Zad
Vadim Ohanyan
Azam Zoshki
Jozef Strecka
Physical Review E
2023
044132 (1-12)
Article
Electric field driven flat bands: Enhanced magnetoelectric and electrocaloric effects in frustrated quantum magnets
Vadim Ohanyan
Johannes Richter
Joerg Schuleburg
Juergen Schanck
Physical Review B
2022
054420
Article
Magnetic and magnetoelectric properties of AFeF5 (A = Ca, Sr) spin-chain compounds
N. V. Ter-Oganessian
S. A. Guda
V. P. Sakhnenko
V. Ohanyan
Journal of Magnetism and Magnetic Materials
2020
165720(1-6)
Article
Spin-1/2 XX chain in a transverse field with regularly alternating g factors: Static and dynamic properties
Taras Krokhmalskii
Taras Verkholyak
Ostap Baran
Vadim Ohanyan
Oleg Derzhko
Physical Review B
2020
144403
Article
Influence of XY anisotropy on a magnetoelectric effect in spin-1/2 XY chain in a transverse magnetic field
V. Ohanyan
Condensed Matter Physics
2020
43704
Article
Quantum Entanglement in Spin Dimers: Effects of a Magnetic Field and Heterogeneous g-Factors
Z. A. Adamyan
S. A. Muradyan
V. R. Ohanyan
Journal of Contemporary Physics (Armenian Academy of Sciences)
2020
292–298
Article
Non-conserved magnetization operator and ‘fire-and-ice’ ground states in the Ising-Heisenberg diamond chain
Vadim Ohanyan
Jordana Torrico
Onofre Rojas
Journal of Magnetism and Magnetic Materials
2018
85-96
Article
Spin-1/2 XY -chain magnetoelectric: Effect of zigzag geometry
Vadim Ohanyan
Ostap Baran
Taras Verkholyak
Physical Review B
2018
064415(1-13)
Article
Absence of actual plateaus in zero-temperature magnetization curves of quantum spin clusters and chains
Vadim Ohanyan
Onofre Rojas
Jozef Strecka
Stefano Bellucci
Physical Review B
2015
214423-12
http://journals.aps.org/prb/
Article
Magnetism-driven ferroelectricity in spin-1/2 XY chains
Vadim Ohanyan
Oleg Menchyshyn
Taras Verkholyak
Taras Krokhmalskii
Oleg Derzhko
Physical Review B
2015
184427 - 7
http://journals.aps.org/prb/
Article
Magnetization non-rational quasi-plateau and spatially modulated spin order in the model of the single-chain magnet, $[\{(\mbox{CuL})_2\mbox{Dy}\}\{\mbox{Mo}(\mbox{CN})_8\}]\cdot\mbox{2CH}_3\mbox{CN}\cdot\mbox{H}_2\mbox{O}
Vadim Ohanyan
Stefano Bellucci
Onofre Rojas
EPL (Europhysics Letters)
2014
47012
http://www.epletters.net/
Article
Landau problem on the ellipsoid, hyperboloid and paraboloid of revolution
Vadim Ohanyan
Armen Nersessian
Eva Gevorgyan
Evgeniy Tolkachev
Modern Physics Letters A
2014
1450148(1-15)
http://www.worldscientific.com/worldscinet/mpla
Article
Correlation functions in one-dimensional spin lattices with Ising and Heisenberg bonds
Vadim Ohanyan
Stefano Bellucci
EUROPEAN PHYSICAL JOURNAL B
2013
446
http://epjb.epj.org/
Article
Exact description of the magnetoelectric effect in the spin-1/2 XXZ-chain with Dzyaloshinskii-Moriya interaction
Michael Brockmann
Andreas Klumper
Vadim Ohanyan
Physical Review B
2013
054407
http://journals.aps.org/prb/
Article
Magnetocaloric effect in spin-1/2 XX chains with three-spin interactions
M. Topilko
T. Krohkmalskii
O. Derzhko
V. Ohanyan
EUROPEAN PHYSICAL JOURNAL B
2012
278
http://epjb.epj.org/
Article
Magneto-thermal properties of the Heisenberg-Ising orthogonal-dimer chain with triangular XXZ-clusters
Vadim Ohanyan
Andreas Honecker
Physical Review B
2012
054412(1-17)
http://journals.aps.org/prb/
Article
Exactly solvable mixed-spin Ising-Heisenberg diamond chain with biquadratic interactions and single-ion anisotropy
Onofre Rojas
S. M. de Souza
Vadim Ohanyan
Martiros Khurshudyan
Physical Review B
2011
094430
http://journals.aps.org/prb/
Article
Lattice distortions in sawtooth chain with Heisenberg and Ising bonds
S. Bellucci
V. Ohanyan
EUROPEAN PHYSICAL JOURNAL B
2010
531-541
http://epjb.epj.org/

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