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  1. Main
  2. Employees
  3. Tigran Stepan Hakobyan
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tigran.hakobyan@ysu.am
Tigran
Stepan
Hakobyan
Institute of Physics
Chair of Theoretical Physics named after Academician Gurgen Sahakyan
Associate professor

Personal information

Date of birth
1965
Education
Institution
YSU
Faculty
Faculty of physics, theoretical physics chair
Date
1989 - 1992
Degree name
PhD student
Institution
YSU
Faculty
Faculty of physics, Theoretical physics chair
Date
1982 - 1989
Degree name
Masters
Scientific Rank/degree
Institution
YSU
Date
2013
Degree name
Doctor
Specialty
Physico-mathematical sciences
Research Topic
Exact methods in one-dimensional and quasi-one-dimensional systems
Institution
Yerevan Physics Institute
Date
1996
Degree name
Candidate
Specialty
Physico-mathematical sciences
Scientific Supervisor
Ara Sedrakyan
Research Topic
R-matrices in quantum groups
Language skills
Հայերեն
English
Русский
Français
Work experience
Institution
A. Alikhanyan national science laboratory (Yerevan Physics Institute)
Period of time
2022 till now
Rank/degree
leading researcher
Institution
YSU
Period of time
2021 till now
Rank/degree
leading researcher
Institution
Theoretical physics chain, YSU
Period of time
2013 till now
Rank/degree
Associated professor

Publications

- Կատեգորիա -
Article
Antiferromagnetic ordering of energy levels for a spin ladder with four-spin cyclic exchange: Generalization of the Lieb-Mattis theorem
Tigran Hakobyan
Physical Review B
2008
012407,4
http://journals.aps.org/prb/
Article
Energy-level ordering and ground-state quantum numbers for a frustrated two-leg spin-1 /2 ladder
Tigran Hakobyan
Physical Review B
2007
214421,14
http://journals.aps.org/prb/
Article
The ordering of energy levels for su(n) symmetric antiferromagnetic chains
Tigran Hakobyan
Nuclear Physics B
2004
575-594
http://www.journals.elsevier.com/nuclear-physics-b/
Article
The possibility of gapless excitations in antiferromagnetic spin chains with long-range interactions
T. Hakobyan
Journal of Physics A: Mathematical and Theoretical
2003
L599-L604
http://iopscience.iop.org/journal/0305-4470
Article
Phase diagram of the frustrated two-leg ladder model
T. Hakobyan
J. H. Hetherington
M. Roger
Physical Review B
2001
144433,17
http://journals.aps.org/prb/
Article
Delocalization of states in two-component superlattices with correlated disorder
T. Hakobyan
D. Sedrakyan
A. Sedrakyan
I. Gomez
F. Dominguez-Adame
Physical Review B
2000
11432-11436
http://journals.aps.org/prb/
Article
Bethe Ansatz and thermodynamic limit of affine quantum group invariant extensions of the t –J model
T. Hakobyan
A. Avakyan
A. Sedrakyan
J. Ambjorn
Journal of Mathematical Physics
1999
5687-5701
http://scitation.aip.org/content/aip/journal/jmp
Article
The European Physical Journal B
T. Hakobyan
V. Harutunyan
V. Gevorkyan
V. Makhov
EUROPEAN PHYSICAL JOURNAL B
1999
31-33
http://epjb.epj.org/
Article
Luminescence Excitation and Influence of Radiation on the Stimulated Processes in Corundum Crystals
T. Hakobyan
V. Harutyunyan
E. Hakhverdyan
V. Gevorkyan
V. Grigoryan
V. Makhov
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE
1999
623-629
http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1862-6319/homepage/2231_ed…
Article
A family of affine quantum group invariant integrable extensions of the Hubbard Hamiltonian
A. Avakyan
T. Hakobyan
A. Sedrakyan
Nuclear Physics B
1997
633-652
http://www.sciencedirect.com/science/journal/05503213
Article
Integrable Extensions of Hubbard Hamiltonian
T. Hakobyan
A. Sedrakyan
A. Avakyan
International Journal of Modern Physics B
1997
3207-3222
Article
Spin chain Hamiltonians with affine Uqg symmetry
T. Hakobyan
A. Sedrakyan
Modern Physics Letters B
1996
250-254
http://www.worldscientific.com/worldscinet/mplb
Article
On the universal R-matrix of Uqsl2 at roots of unity
T. Hakobyan
A. Sedrakyan
COMMUNICATIONS IN MATHEMATICAL PHYSICS
1996
157-171
http://link.springer.com/journal/220
Article
Lattice electrons in constant magnetic field:. Bethe like ansatz
T. Hakobyan
A. Sedrakyan
Modern Physics Letters A
1995
495-501
http://www.worldscientific.com/worldscinet/mpla
Article
Universal R matrix of Uqsl(n,m) quantum superalgebras
T. Hakobyan
А. Sedrakyan
Journal of Mathematical Physics
1994
2552-2559
http://scitation.aip.org/content/aip/journal/jmp
Article
R-matrices for Uqosp(1, 2) for highest weight representations of U qosp(1, 2) for general q and q an odd root of unity
T. Hakobyan
A. Sedrakyan
Modern Physics Letters B
1993
266-271
http://www.worldscientific.com/worldscinet/mplb
Article
R-matrices for highest weight representations of slq(2,C) at roots of unity
T. Hakobyan
A. Sedrakyan
Modern Physics Letters B
1993
27-32
http://www.worldscientific.com/worldscinet/mplb
Article
Some new spinor representations of quantum groups Bq(n), Cq(n), Gq(2)
T. Hakobyan
A. Sedrakyan
Journal of Mathematical Physics
1993
2554-2560
http://scitation.aip.org/content/aip/journal/jmp

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