Prof. Safarali Dzhumanov Leader Scientist,Head of the Theoretical Group at the Laboratory of Phase Transitions

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Fields of interest:

• High-T_C superconductivity;
• Metal-insulator transitions in cuprates;
• coupled electron-phonon systems;
• polarons and bipolarons.

Details of Research Office:
136 room, Physical Building
Tel.:(8-10-99871) 289 25 57
Internal tel.:extn 25 57
Fax:(8-10-99871) 150 30 80
e-mail:dzhumanov@inp.uz, dzhumanov@rambler.ru
web: http://www.inp.uz/dzhumanov

Education:

Diploma in physics, Samarkand State University (1970)
PhD in Physics &Mathematics, Physical-Technical Institute (1981)
Doctor of Science, Institute of Nuclear Physics (1990)

Awards:

• Research grant from STCU № 3505 (2005-2008)
• Research grant from the Fund of support for Basic Researches of Uzbek Academy Sciences № ФА-Ф2-Ф070 (2007-2011)

List of publications:

B. Ya. Yavidov, Sh. S. Djumanov and S. Dzhumanov. Mass of a lattice polaron from extended Holstein model using Yukawa potential // Physics Letters A, vol. 374, pp. 2772-2776 (2010)
B. Ya. Yavidov, P.Yu. Tsuba, S.M. Zholdasova, R. Myrzakulov, S.Dzhumanov. Optical conductivity of small Fröhlich polarons // ВестникЕвразийскогоНациональногоУниверситетаимениЛ.Н.Гумилева, № 4 (77),стр. 21-24, Астана(Казахстан) (2010)
S.Dzhumanov, Precursor non-superconducting pairing and novel superconductivity in underdoped and optimally doped cuprates. Physica C 460–462, 1131 (2007)
B. Dushanov and S.Dzhumanov, Nature of the charge carriers and their pairing state in the anisotropic three-dimensional lightly doped cuprates. Physica C 460-462, 356 (2007)
S.Dzhumanov and P.J. Baimatov, Unusual metallic in-plane and non-metallic c-axis charge transports in underdoped cuprates. Physica C 460–462, 1111 (2007)
S.Dzhumanov, U.T. Kurbanov and Z.S. Khudayberdiev, Possibility of metal- insulator transitions in hole-doped cuprates induced by strong electron correlation, disorder and extrinsic carrier self- trapping. Physica C 460–462, 1037 (2007)
S.Dzhumanov, U.T. Kurbanov, A. Kurmantayev. Possible quantitative criteria for the Mott and Anderson transitions in doped uncompensated systems. Int. J. Mod. Phys. B 21, 169 (2007).
S.Dzhumanov. Distinctive Features of Novel Superconducting Transitions in Underdoped and Overdoped High-Tc Cuprates. Intern. J. Mod. Phys.B19, 43 (2005)
E. Dushanov and S.Dzhumanov. Formation and Stability of a Strong-Coupling Large Bipolaron in the Lightly Doped Cuprates. Intern. J. Mod. Phys. B19, 1061 (2005).
A.S. Alexandrov, V.N.Zavaritsky and S.Dzhumanov. Hall Effect and Resistivity in Underdoped Cuprates. Phys. Rev. B69,052505(2004).
S.Dzhumanov. Theoretical Models of the Normal and Superconducting States of Oxide High-Tc Superconductors. Proc.12th Intern. Conf. on Radiation Physics and Chemistry of Inorganic Materials ( Tomsk, Russia, 2003) p. 24-28.
S.Dzhumanov. Possible insulating, metallic and superconducting states in doped high-Tc superconductors. Solid State Commun. 115, 155 (2000).
S.Dzhumanov. Pseudogapped normal and superconducting states in doped high-Tc oxides: a novel Fermi (precursor)-Bose (superfluid)-liquid approach. Physica C 341-348,159 (2000).
S.Dzhumanov, A. Kurmantaev, U. Begimkulov and R. Yusupov. New metal-insulator transitions induced by strong defect-phonon-carrier and electron-phonon interactions in doped high-Tc oxides and other non-metallic solids. Physica C 341-348, 1785, (2000).
S.Dzhumanov. The microscopic theory of superfluidity and superconductivity driven by single particle and pair condensation of attracting bosons. Int. J. Mod. Phys. B12, 2151 (1998).
S.Dzhumanov. A novel microscopic two-stage Fermi (precursor)-Bose (superfluid)-liquid theory of high-Tc superconductivity. International Journal of Modern Physics B 12, 2995 (1998).
S.Dzhumanov. The dependence of Tc on carrier concentration in high-Tc superconductors. Superlattices and Microstructures. 21, 363 (1997).
S.Dzhumanov, S. Kuchkarov and B. Hamdamov. Critical magnetic fields of anomalous superconductors. Superlattices and Microstructures. 21, Suppl. A, 19 (1997).
S.Dzhumanov and A.A. Baratov. Theory of real- and momentum-space bipolarons. Superlattices and Microstructures. 21, Suppl. A, 265 (1997).
S.Dzhumanov, A.A. Baratov and S. Abboudy. Pairing theory of polarons in real and momentum space. Phys. Rev. B54, 13121 (1996-II).
S.Dzhumanov, P.J. Baimatov, A.A. Baratov and P.K. Khabibullaev. The continuum theory of delocalized and self-trapped polarons and bipolarons in solids. Physica C 254, 311, (1995).
S.Dzhumanov and P.K. Khabibullaev. Microcsopic theory of single particle and pair condensation of an attracting Bose gas as the basis for superfluidity and superconductivity. Pramana-J. Phys. 45, 385 (1995).
S.Dzhumanov. A unified theory of a new-stage Fermi-Bose-liquid scenarios of superconductivity. Physica C 235-240, 2269, (1994).
S.Dzhumanov, P.J. Baimatov, A.A. Baratov and N.I. Rakhmatov. Single particle and pair condensation of an attracting Bose-gas of cooperons and bipolarons - key to the superconductivity. Physica C 235-240, 2339, (1994).