Lyudvig A. Vardanyan
Biography
Education
Chair of Solid State Physics, YSU
1999–2003: Yerevan State University, Bachelor’s degree with honor diploma in physics
2003–2005: Yerevan State University, Master's degree physics
2006-2008: University of Trieste, Department of theoretical physics, Master's degree.
2005–2008: Russian-Armenian (Slavic) State University, PhD in Semiconductor Physics

Employment
2009 January – present: Researcher, Research laboratory of the Chair of solid state physics, YSU

Specialization
Low dimensional systems and nanostructures

Awards and Grants
''Decay of the coherent polaron states in quantum dots in the presence of uniform magnetic and electric fields''

lvardan@ysu.am

Lyudvig A. Vardanyan

Researcher | Faculty of Physics - Solid State Physics Research Laboratory
 
 

Article

A.L. Vartanian, A.L. Asatryan, L.A. Vardanyan

Influence of image charges on the impurity-related optical properties of near-surface quantum wells under a transverse electric field | Physica E: Low-dimensional Systems and Nanostructures, 2019, 113, 115-120 էջ

A. L. Vartanian, A. L. Asatryan, L. A. Vardanyan

Polaron and dielectric mismatch effects on impurity-related optical absorption and refractive index changes in a spherical quantum dot | Superlattices and Microstructures, 2018, 113, 442-458 pp.

A. Vartanian, A. Asatryan, L. Vardanyan

Impurity-Bound Polaronic States in ZnSe Quantum Dots Under Electric Field: Image Charge Effect | JOURNAL OF ELECTRONIC MATERIALS, 2018, Vol. 47, Issue 8, 4303-4307 pp.

A. L. Vartanian, L. A. Vardanyan

Effect of Rashba spin-orbit coupling on polaron properties in CdSe nanowire under electric field | Superlattices and Microstructures, 2018, 119, 224-228 pp.

A. L. Vartanian, A. L. Asatryan, L. A. Vardanyan

Influence of image charge effect on impurity-related optical absorption coefficients and refractive index changes in a spherical quantum dot | Superlattices and Microstructures. 2017, 103, pp. 205-212

A. Stepanyan, M. Yeranosyan, L. Vardanyan, A. Asatryan, A. Kirakosyan, A. Vartanian

Energy-loss rate of hot electrons due to confined acoustic phonon modes in a semiconductor quantum wire under transverse electric field | Physica B-Condensed Matter. 2017, 519, pp. 102-107

L. A. Vardanyan, A. L. Vartanian, A. L. Asatryan, A. A. Kirakosyan

Image Charge and Electric Field Effects on Hydrogen-like Impurity-bound Polaron Energies and Oscillator Strengths in a Quantum Dot | Journal of ELECTRONIC MATERIALS. 2016, 45. 11, 5847-5852 pp.

A. L. Asatryan, A. L. Vartanian, A. A. Kirakosyan, L. A. Vardanyan

Electric field and image charge effects on impurity-bound polarons in a CdS colloidal quantum dot embedded in organic matrices | Physica B: Physics of Condensed Matter. 2016, 503, 70-74 pp.

Vartanian A. L., Vardanyan L. A.

Influence of the image charge effect on the hydrogen-like impurity-bound polaron in a spherical quantum dot in the presence of an electric field | Physica E: Low-dimensional Systems and Nanostructures, Volume 75, pp. 174-180 (2016). dx.doi.org/10.1016

L.A.Vartanian, A.L.Asatryan

Influence of both electric and magnetic fields on the polaron properties in a finite-potential quantum well wire | Physica E 47, 134-140, 2013. dx.doi.org/10.1016

L.A. Vartanian, A.L.Asatryan, V.Y.Arzumanyan

Phonon confinement effect on the polaron basic parameters in nanowires in the presence of external fields | Journal of Physics: Conference Series, Volume 350, Issue 1, pp. 012022 (2012), 6 pp.. dx.doi.org

L.A. Vartanian, A.L.Asatryan, V.Y.Arzumanyan

Confined and interface polarons in cylindrical quantum wire in perpendicular magnetic and electric fields | Proc. VIII Int. Conf. “Se-miconductor Micro and Nanoelectronics”, Yerevan, 2011, pp. 163-166

L.A Vartanian

The effect of an applied electric field on the polaron basic parameters in a quantum well wire | Physica E, Volume 41, Issue 8, p. 1417-1422 (2009). dx.doi.org/10.1016

А. Л. Вартанян, Э.М.Казарян,

Влияние электрического поля на собственную энергию и эффективную массу полярона в полупроводниковой квантовой проволоке (Էլեկտրական դաշտի ազդեցությունը քվանտային լարում պոլարոնի սեփական էներգիայի և արդյունարար զանգվածի վրա) | ԵՊՀ Գիտական տեղեկագիր, Բնական գիտություններ, 2008, #2, էջ 49-52 (ռուսերեն)49-52 |

A. L.Vartanian, L. A. Vartanian, E. M. Kazaryan

Effect of electric and magnetic fields on the binding energy of a Coulomb impurity bound polaron in a cylindrical quantum dot | Physica Status Solidi (B), vol. 245, issue 1, pp. 123-131 (2008). dx.doi.org/10.1002

A. L. Vartanian, L. A.Vartanian, E.M.Kazaryan

Effect of electric and magnetic fields on the binding energy of the Coulomb impurity bound polaron in a quantum dot | Physica E, v. 40, iss. 5, p. 1513-1516 (2008). dx.doi.org/10.1016

A.L.Vartanian, A.L.Asatryan, A.A.Kirakosyan

Energy-loss rate of hot electrons via LA-phonon scattering in free standing quantum wire | ԵՊՀպինդ մարմնի ‎ֆիզիկայի ամբիոնի հիմնադրման 50-ամյակին նվիրված գիտաժողովի նյութեր, Երևան, 2007թ., էջ 84-89

A. L. Vartanian, L. A. Vardanyan, E. M. Kazaryan

Hydrogenic impurity bound polaron in a cylindrical quantum dot in an electric field | Physics Letters A, Volume 360, Issue 4-5, p. 649-654 (2007). dx.doi.org/10.1016

A.L.Vartanian, E.M.Kazaryan

Effect of electron-phonon interaction in hydrogenic impurity binding energy in quantum dot in presence of magnetic and electric fields | International conference “New Technologies for development of heterosemiconductors for device applications”, Yerevan, Armenia, p. 73-74, 2006

A.L.Vartanian, E.M.Kazaryan

Effect of electric and magnetic field on the hydrogenic impurity bound polaronbindibg energy in quantum dot | Proc. Conf. on Laser Physics -2006, p.177-180 Ashtarak, Armenia, 2006.
 

Thesis

A. L. Vartanian, A. L. Asatryan, L. A. Vardanyan, A. A. Kirakosyan

Effect of image charges on the impurity-bound polaronic states in colloidal quantum dots embedded in different organic matrices | International Symposium and Young Scientist School on Disordered and Ordered Materials Analysis and Characterization, 2015, p. 74-75

Lyudvig Vardanyan, Arshak Vartanian, Anna Asatryan

Impurity-bound polaronic states under an external electric field in quantum dots: Image charge effect | 3rd International Symposium “Optics and its Applications”, 2015, p. 119

A.L.Vartanian, E.M. Kazaryan

Effect of electric and magnetic fields on the binding energy of the Coulomb impurity bound polaron in a quantum dot | International Conference on Electronic Properties of Two-dimensional Systems and Modulated Semiconductor Structures (EP2DS-17), Genova, Italy, 2007 , p.358