Sergio E. Ulloa --- Recent Publications (>1996)

Publications are arranged in three categories (click one):

2D- and 1D electron systems
Quantum dots
Nitrides, silicon and diamond

PDF files available for some p/reprints.  Please contact us for others. e-mail


TWO- & ONE-DIMENSIONAL ELECTRON SYSTEMS
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"Quantum Hall conductivity and resonances in coupled layers"
A.L. Chudnovskiy and S.E. Ulloa, submitted to Phys. Rev. Lett., December 1998.  pdf

"Frequency-dependent magnetotransport and particle dynamics in magnetic modulation systems"
E. Badran and S.E. Ulloa, Phys. Rev. B 59, 2824--2832 (1999).  pdf

"Frequency-dependent magnetotransport and effects of symmetry in magnetic modulation"
E. Badran and S.E. Ulloa, to appear in the ICPS-Jerusalem Proceed., 1999.

"Quantum Hall effect in coupled layers with different bandwidths"
Proceed. of  XXII Condensed Matter Theory Conference, 1--6 June 1998,
Vanderbilt University, Nashville TN.  A.L. Chudnovskiy S.E. Ulloa, to appear, 1999.  ps

"The remote plasmon polaron"
H. Kato, F.M. Peeters, and S.E. Ulloa, Europhys. Lett. 45, 235--241 (1999).  pdf

"Localized states in strong magnetic field: resonant scattering and the Dicke effect"
T.V. Shahbazyan and S.E. Ulloa, Phys. Rev. B 57, 6642 (1998).  pdf

"Frequency-dependent magnetotransport in a  two-dimensional magnetic modulation system"
E. Badran and S.E. Ulloa, Physica B 249--251, 339--342 (1998).  pdf

"Luttinger liquid approach to non--dissipative Coulomb drag: persistent currents in
coupled mesoscopic rings"
T.V. Shahbazyan and S.E. Ulloa, Physica E 1, 259--261 (1997).  pdf

"Resonant scattering in a strong magnetic field: exact density of states"
T.V. Shahbazyan and S.E. Ulloa, Phys. Rev. Lett. 79, 3478--3481 (1997).  pdf

"The remote Wigner polaron in a two-dimensional electron system"
H. Kato, F.M. Peeters, and S.E. Ulloa, Europhys. Lett.  40, 551--556 (1997).  pdf

"Coulomb drag in mesoscopic rings"
T.V. Shahbazyan and S.E. Ulloa, Phys. Rev. B 55, 13702--13706 (1997).  pdf

"Far-infrared absorption in parallel quantum wires with weak tunneling"
T.V. Shahbazyan and S.E. Ulloa, Phys. Rev. B 54, 16749--16756 (1996).  pdf

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QUANTUM DOTS
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"Magnetic field and quantum dot asymmetry effects on excitons"
P. Pereyra and S.E. Ulloa, submitted to Phys. Rev. B, October 1998.

"Correlation and symmetry effects in transport through an artificial molecule"
F. Ramirez, E. Cota, and S.E. Ulloa, Phys. Rev. B 59, 5717--5727 (1999).  pdf

"Effects of interactions and level statistics of two particles moving in an infinite quantum well"
L. Meza-Montes and S.E. Ulloa, Physica B 249--251, 224--227 (1998).  pdf

"Electron interactions, classical integrability, and level statistics in quantum dots"
L. Meza-Montes, S.E. Ulloa, and D. Pfannkuche, Physica E 1, 274--280 (1997).  pdf

"Dynamics of two interacting particles in classical billiards"
L. Meza-Montes and S.E. Ulloa, Phys. Rev. E (Rapid Comm.) 55, 6315--6318 (1997).  pdf

"Level statistics and interactions in a two-dimensional quantum dot"
S.E. Ulloa and D. Pfannkuche, Superlatt. and Microstr. 21, 21--28 (1997).  pdf

"Coulomb effects in artificial molecules"
F. Ramirez, E. Cota, and S.E. Ulloa, Superlatt. and Microstr. 20, 523--529 (1996).  pdf

"Selection rules for spectroscopy of quantum dots"
D. Pfannkuche and S.E. Ulloa, in Festkoerperprobleme, Adv. Solid State Phys. 35, 65--80 (1996).
 
"Selection rules for transport excitation spectroscopy of few-electron quantum dots"
D. Pfannkuche and S.E. Ulloa, Phys. Rev. Lett. 74, 1194 (1995).  pdf

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NITRIDES, SILICON, and DIAMOND
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"Local basis quasiparticle calculations for the dielectric response function of Si clusters"
Ming Yu, S.E. Ulloa, and D.A. Drabold, submitted to Phys. Rev. B, February 1999.  preprint (pdf)

"Zeeman splitting of shallow donors in GaN"
Francisco Mireles and S.E. Ulloa, Appl. Phys. Lett. 74, 248--250 (1999).  pdf

"Acceptor binding energies in GaN and AlN"
Francisco Mireles and S.E. Ulloa, Phys. Rev. B 58, 3879--3887 (1998).  pdf

"Acceptor binding energies in GaN and AlN"
Francisco Mireles and S.E. Ulloa, Proc. 1997 MRS Fall Meeting, ``Nitride
Semiconductors,'' F.A. Ponce, S.P. DenBaars, B.K. Meyer, S. Nakamura,
and S. Strite, editors.  MRS Symp. Proc. 482, 839--844 (1998).

"First principles calculations of optical properties: applications to silicon clusters"
C. Noguez and S.E. Ulloa, Phys. Rev.B, 56, 9719--9725 (1997).  pdf
 
"Optical signature of the GaN (1010) surface"
C. Noguez, R. Esquivel-Sirvent, D.R. Alfonso, S.E. Ulloa, and D.A. Drabold,
MRS Symp. Proc. 449, 911--916 (1997).

"Size dependence of the optical properties of silicon clusters"
C. Noguez, J. Song, S.E. Ulloa, D.A. Drabold, and S.H. Yang,
Superlatt. and Microstr. 20, 405--410 (1996).   pdf

"Structure of diamond (100) stepped surfaces from ab initio calculations"
D.R. Alfonso, D.A. Drabold, and S.E. Ulloa, J. Phys. Cond. Matt. 8, 641--647 (1996).

"First-principles studies of hydrogenated Si(111)--7x7"
D.R. Alfonso, C. Noguez, D.A. Drabold, and S.E. Ulloa, Phys.Rev. B 54, 8028--8032 (1996).  pdf

"Anisotropic optical response of the diamond (111)-2x1 surface"
C. Noguez and S.E. Ulloa, Phys. Rev. B 53, 13138--13145 (1996).  pdf

"Exciton-induced lattice relaxation and the electronic and vibrational spectra of silicon clusters"
J. Song, S.E. Ulloa, and D.A. Drabold, Phys. Rev. B 53, 8042--8051 (1996).  pdf
 
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Sergio E. Ulloa (ulloa@ohiou.edu) - Last update: 13 March 1999