Selected Publications: THz , Semiconductor Superlattices & Josephson Junctions
1. Parametric Amplification in Superlattices
# T. Hyart, A. V. Shorokhov, and K. N. Alekseev,
Theory of Parametric Amplification in Superlattices
Phys. Rev. Lett. 98, 220404 (2007) [PDF] [also arXiv:cond-mat/0612461]
# T. Hyart, N. V. Alexeeva, A. Leppanen, and K. N. Alekseev,
THz parametric gain in semiconductor superlattices in the absence of electric domains
Appl. Phys. Lett. 89, 132105 (2006) [PDF (copyright notice) ] [ also arXiv:cond-mat/0608704 ]
# K. N. Alekseev, M. V. Gorkunov, N. V. Demarina, T. Hyart, N. V. Alexeeva, A. V. Shorokhov,
Suppressed absolute negative conductance and generation of high-frequency radiation in semiconductor superlattices
Europhys. Lett. 73, 934 (2006); Erratum 74, 567 (2006) [PDF] [ also arXiv:cond-mat/0601056 ]
2. Symmetry-Breaking and Chaos in Semiconductor Superlattices Driven by THz Field
# Kirill N. Alekseev, Gennady P. Berman, Ethan N. Cannon, and David K. Campbell,
Dissipative chaos in semiconductor superlattices
Phys. Rev. B 54, 10625-10636 (1996) [PDF] [ also arXiv:cond-mat/9604173 ]
# Kirill N. Alekseev, Ethan H. Cannon, Jonathan C. McKinney, Feodor V. Kusmartsev, and David K. Campbell,
Spontaneous DC Current Generation in Resistively Shunted Semiconductor Superlattice Driven by THz-field
Phys. Rev. Lett. 80, 2669 (1998) [PDF] [ also arXiv:cond-mat/9709026 ]
# Kirill N. Alekseev, Ethan H. Cannon, Feodor V. Kusmartsev, and David K. Campbell,
Integer and unquantized dc voltage generation in THz-driven semiconductor superlattices
Europhys. Lett. 56, 842 (2001) [PDF] [ also arXiv:cond-mat/0103608 ]
3. THz Bloch Gain in AC-Driven Superlattices
# Timo Hyart, Kirill N. Alekseev, and Erkki V. Thuneberg,
Bloch gain in dc-ac-driven semiconductor superlattices in the absence of electric domains
Phys. Rev. B 77, 165330 (2008) [PDF] [ also arXiv:0712.3211 ]
# Timo Hyart, Natalia V. Alexeeva, Jussi Mattas, and Kirill N. Alekseev,
Terahertz Bloch Oscillator with a Modulated Bias
Phys. Rev. Lett. 102, 140405 (2009) [PDF] [ also arXiv:0812.4046 ]
4. Magnetic Field Effects in Superlattices
# Timo Hyart, Jussi Mattas, and Kirill N. Alekseev,
Model of the Influence of an External Magnetic Field on the Gain of Terahertz Radiation from Semiconductor Superlattices
Phys. Rev. Lett. 103, 117401 (2009) [PDF] [ also arXiv:0906.3760 ]
# Ethan H. Cannon, Feodor V. Kusmartsev, Kirill N. Alekseev, and David K. Campbell,
Absolute Negative Conductivity and Spontaneous Current Generation in Semiconductor Superlattices with Hot Electrons
Phys. Rev. Lett. 85, 1302-1305 (2000) [also arXiv:cond-mat/9910042v1 ]
5. Direct Current Generation Due to Wave Mixing
# Kirill N. Alekseev, Mikhael V. Erementchouk and Feodor V. Kusmartsev,
Direct current generation due to wave mixing in semiconductors
Europhys. Lett. 47, 595-600 (1999) [PDF] [also cond-mat/9903092 ]
# A. V. Shorokhov, N. N. Khvastunov, T.Hyart and K. N. Alekseev,
Generation of direct current in a semiconductor superlattice under the action of a bichromatic field as a parametric effect
J. Exp. Theor. Phys. 111, 822 (2010) [ Rus: Zh. Eksp. Teor. Fiz. 138, 930 (2010) ] [ PDFrus ]
6. VI-Characteristics and Charge Domains in AC-Driven Superlattices
# F. Klappenberger, K. N. Alekseev, K. F. Renk, R. Scheuerer, E. Schomburg, S. J. Allen,
G. R. Ramian, J. S. S. Scott, A. Kovsh, V. Ustinov and A. Zhukov,
Ultrafast creation and annihilation of space-charge domains in a semiconductor superlattice
observed by use of Terahertz fields
European Phys. J. B 39, 483–489 (2004)
7. Pendulum Dynamics in Single Miniband Superlattices and Josephson Junctions
# Kirill N. Alekseev and Feodor V. Kusmartsev,
Pendulum limit, chaos and phase-locking in the dynamics of ac-driven semiconductor superlattices
Physics Letters A 305, 281 (2002) [also arXiv:cond-mat/0208583 ]
# Jukka Isohatala and Kirill N. Alekseev,
Stability properties of periodically driven overdamped pendula and their implications to physics
of semiconductor superlattices and Josephson junctions [ + supplementary material ]
Chaos: An Interdisciplinary Journal of Nonlinear Science 20, 023116 (2010) [PDF (copyright notice)] [also arXiv:0911.1215 ]