Dzyubenko-Research

Alexander Dzyubenko

Professor of Physics

Condensed Matter Theory

M.Sc., Cum Laude, 1983, Moscow State University
Ph.D., 1989, Moscow State University
D.Sc. (Habilitation), 1998, Russian Acad. of Sciences

Office : Science III, Rm.302
Phone : 661-654-2096
FAX : 661-654-2693
Email : adzyubenko at csub.edu

Main Research Interests

Coulomb correlations in semiconductor nanostructures: Optics, spin, and transport properties.
Correlated electron systems in strong magnetic fields: Magnetooptics, cyclotron resonance, collective excitations.
Classical and quantum transport, Bose-Einstein condensation, and optics of excitons in nanostructures.
Many-body quantum mechanics and exactly-solvable models.
Topological defects in 2D systems, Kosterlitz-Thouless transitions in disordered 2D Systems.

Selected Publications:

Electronic and Optical Properties of Graphene

A. M. Fischer, R. A. Roemer, and A. B. Dzyubenko, "Magnetoplasmons bound to short-range impurities in graphene: Symmetries and optics", Phys. Rev. B 84, 165431 (2011), arXiv:1107.1486v1
A. M. Fischer, R. A. Roemer, and A. B. Dzyubenko, "Magnetoplasmons and SU(4) symmetry in graphene", J. Phys. Conf. Ser. 286, 012054 (2011), Doi: 10.1088/1742-6596/286/1/012054
A. M. Fischer, R. A. Roemer, and A. B. Dzyubenko, "Symmetry content and spectral properties of charged collective excitations for graphene in strong magnetic fields", Europhys. Lett. 92, 37003 (2010), Doi: 10.1209/0295-5075/92/37003
A. M. Fischer, A. B. Dzyubenko, and R. A. Roemer, "Localized collective excitations in doped graphene in strong magnetic fields", Phys. Rev. B 80, 165410 (2009), arXiv:0902.4176v3.
A. M. Fischer, A. B. Dzyubenko, and R. A. Roemer, "Localised magneto-optical collective excitations of impure graphene", Ann. Phys. (Berlin) 18, 944 (2009), arXiv:0910.0019v1.

Magnetoexcitons and Many-Body Effects in a Photoexcited 2DEG

G. Bartsch, M. Gerbracht, D. R. Yakovlev, J. H. Blokland, P. C. M. Christianen, E. A. Zhukov, A.B. Dzyubenko, G. Karczewski, T. Wojtowicz, J. Kossut, J. C. Maan, and M. Bayer, "Positively versus negatively charged excitons: A high magnetic field study of CdTe/CdMgTe quantum wells", Phys. Rev. B 83, 235317 (2011).
G. V. Astakhov, D. R. Yakovlev, V. V. Rudenkov, P. C. M. Christianen, T. Barrick, S. A. Crooker, A. B. Dzyubenko, W. Ossau, J. C. Maan, G. Karczewski, and T. Wojtowicz, "Definitive observation of the dark triplet ground state of charged excitons in high magnetic fields", Phys. Rev. B 71, 201312(R) (2005), cond-mat/0503693.
A. B. Dzyubenko, "Shake-up processes in a low-density two-dimensional electron gas: Spin-dependent transitions to higher hole Landau levels", Phys. Rev. B 69, 115332 (2004), cond-mat/0309176.
B. M. Ashkinadze, E. Linder, E. Cohen, A. B. Dzyubenko, and L. N. Pfeiffer, "Photoluminescence of a two-dimensional electron gas in a modulation-doped GaAsAlGaAs quantum well at filling factors nu < 1", Phys. Rev. B 69, 115303 (2004).
A. B. Dzyubenko, B. D. McCombe, H. A. Nickel, A. Petrou, and A. Yu. Sivachenko, "Magneto-spectroscopy of two-dimensional systems: Many- and few-body effects", J. Supercond. 16, 767 (2003).
A. B. Dzyubenko, "Theory of combined exciton-cyclotron resonance in a two-dimensional electron gas: The strong magnetic-field regime", Phys. Rev. B 64, 241101 (2001). (Rap. Com.)
H. A. Nickel, T. M. Yeo, A. B. Dzyubenko, B. D. McCombe, A. Petrou, A. Yu. Sivachenko, W. Schaff, and V. Umansky, "Internal transitions of negatively charged magnetoexcitons and many body effects in a two-dimensional electron gas", Phys. Rev. Lett. 88, 056801 (2002).
H. A. Nickel, T. Yeo, C. J.Meining, D. R. Yakovlev, M. Furis, A. B. Dzyubenko, B. D. McCombe, and A. Petrou, "Interaction of an electron gas with photoexcited electron–hole pairs in modulation-doped GaAs and CdTe quantum wells", Physica E 12, 499 (2002).
A. B. Dzyubenko, H. A. Nickel, T. Yeo, B. D. McCombe, and A. Petrou, "Charged magnetoexcitons in two dimensions: Isolated X^- and many-electron effects"(Editor's Choice), Phys. Stat. Solidi B 227, 365 (2001).
A. B. Dzyubenko and Yu. E. Lozovik, "Impurity-localized magnetoplasma and spin excitations in two-dimensional electron systems in a strong magnetic field", JETP 77, 617 (1993).

Charged and Neutral Hydrogenic Problems in a Magnetic Field

A. B. Dzyubenko, "Many-body effects in Landau levels: Non-commutative geometry and squeezed correlated states", Int. J. Mod. Phys. B 21, 1476 (2007).
A. B. Dzyubenko, "Charged hydrogenic problem in a magnetic field: Noncommutative translations, unitary transformations, and coherent states", Phys. Rev. B 65, 035318 (2002).
A. B. Dzyubenko, "Charged two-dimensional magnetoexciton and two-mode squeezed vacuum states", JETP Lett. 74, 318 (2001).
A. B. Dzyubenko and A. Yu. Sivachenko "Charged magnetoexcitons in two-dimensions: Magnetic translations and families of dark states", Phys. Rev. Lett. 84, 4429 (2000).
A. B. Dzyubenko, "Two-dimensional charged electron–hole complexes in magnetic fields: keeping magnetic translations preserved", Solid State Commun. 113, 683 (2000).
A. B. Dzyubenko and A. Yu. Sivachenko "Charged mobile complexes in magnetic fields: A novel selection rule for magneto-optical transitions", JETP Lett. 70, 514 (1999).
A. B. Dzyubenko, "Intraexcitonic transitions in two-dimensional systems in a high magnetic field", JETP Lett. 66, 617 (1997).

Transport and Weak Localization of Excitons in Magnetic Fields

P. I. Arseev and A. B. Dzyubenko, "Exciton magnetotransport in two-dimensional systems: Weak-localization effects", JETP 87, 200 (1998).
P. I. Arseev and A. B. Dzyubenko, "Excitons in high magnetic fields in disordered two-dimensional systems: Weak-localization effects for composite neutral particles", Phys. Rev. B 52, R2261 (1995). (Rap. Com.)
A. B. Dzyubenko and G. E. W. Bauer, "Low-temperature transport of excitons in type-II GaAs/AlAs quantum wells", Phys. Rev. B 51, 14524 (1995).

Excitons in Coupled Quantum Wells and Low-Dimensional Systems

A. B. Dzyubenko, D. A. Cosma, and A. Yu. Sivachenko, "Free and donor-bound charged magnetoexcitons in quantum wells", Int. J. Mod. Phys. B 21, 1563 (2007).
C. J. Meining, V. R. Whiteside, B. D. McCombe, A. B. Dzyubenko, J. G. Tischler, A. S. Bracker, and D. Gammon, "Internal transitions of quasi-two-dimensional charged magnetoexcitons in the presence of purposely introduced weak lateral potential energy variations", Phys. Rev. B 75, 165301 (2007).
A. B. Dzyubenko and A. L. Yablonskii, "Intrawell and interwell magnetoexcitons in InGaAs/GaAs coupled double quantum wells", Phys. Rev. B 53, 16335 (1996).
A. B. Dzyubenko, "Intraband transitions in magnetoexcitons in coupled double quantum wells", JETP 86, 790 (1998).
A. B. Dzyubenko and A. L. Yablonskii, "Far-infrared s--> p intra-excitonic transitions in InGaAs/GaAs coupled double quantum wells", JETP Lett.64, 213 (1996).
M. Graf, P. Vogl, and A. B. Dzyubenko, "Electronic and optical properties of magnetoexcitons in a quantum well wire", Phys. Rev. B 54, 17003 (1996).
N. A. Gippius, A. L. Yablonskii, A. B. Dzyubenko, S. G. Tikhodeev, L. V. Kulik, V. D. Kulakovskii, and A. Forchel, "Excitons in near-surface quantum wells in magnetic fields: Experiment and theory", J.Appl. Phys. 83, 5410 (1998).
A. B. Dzyubenko, "Negative donor centers and donor-bound exciton complexes in two-dimensional systems in a magnetic field", in "Shallow-Level Centers in Semiconductors'', Eds. C. A. J. Ammerlaan and B. Pajot (World Scientific, 1997), p. 81.
A. B. Dzyubenko and A. Yu. Sivachenko, "Magnetoexcitons in zero-dimensional parabolic quantum dots", J. de Physique 3, 381 (1993).

Many-Body Exactly-Solvable Problems: Hidden Symmetry and Bose-Einstein Condensation of Magnetoexcitons

A. B. Dzyubenko and Yu. E. Lozovik, "Symmetry of Hamiltonians of quantum two-component systems: Condensate of composite particles as an exact eigenstate", J. Phys. A: Math. Gen. 24, 415 (1991).
A. B. Dzyubenko and Yu. E. Lozovik, "A class of exactly-solvable many-body models", Teor. Math. Fiz. 86, 98 (1991).
A. B. Dzyubenko and Yu. E. Lozovik, "Quasi-two-dimensional condensate of electron-hole pairs in a strong magnetic field", Sov. Phys. Solid State 26, 938 (1984).
A. B. Dzyubenko and Yu. E. Lozovik, "Exact solutions and Bogoliubov transformations for zero-dimensional electron-hole systems", Sov. Phys. Solid State 25, 874 (1983).

D^- Centers in Two Dimensions

G. Kioseoglou, H. D. Cheong, T. Yeo, H. A. Nickel, A. Petrou, B. D. McCombe, A.Yu. Sivachenko, A. B. Dzyubenko, and W. Schaff , "Reflectance-based optically detected resonance studies of neutral and negatively charged donors in GaAs/AlGaAs quantum wells", Phys. Rev. B 61, 5556 (2000).
A. B. Dzyubenko, A. Mandray, S. Huant, A. Yu. Sivachenko, and B. Etienne, "Triplet transitions of negative donor centers D^- in quantum wells in high magnetic fields", Phys. Rev. B 50, 4687 (1994).
A. B. Dzyubenko and A. Yu. Sivachenko, "D^- centers in quantum wells: Spin-singlet and spin-triplet magneto-optical transitions", Phys. Rev. B 48, 14690 (1993).
A. B. Dzyubenko, "On the stability of two-dimensional negative donor centers D^2- in a strong magnetic field", J. Phys.: Cond. Matter 5, 2255 (1993).
A. B. Dzyubenko, "Binding energies and photoionization transitions of two-dimensional negative donor centers D^- in high magnetic fields", Phys. Lett. A 165, 357 (1992).

Dislocation-mediated Melting of a 2D Electron Wigner Crystal

A. B. Dzyubenko and Yu. E. Lozovik, "Dislocation melting of a two-dimensional Wigner crystal in random fields", Sov. Phys. JETP 75, 149 (1992).
A. B. Dzyubenko and Yu. E. Lozovik, "Effect of quenched disorder on a two-dimensional classical Wigner crystal", Surface Sci. 263, 680 (1992).

mail to: Alexander Dzyubenko

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