# Faculty

## Condensed matter theory

(718) 997-3371, SB B210

Ph. D. in Physics, Donetsk State University, Donetsk, Ukraine - 1977

Doctor of Physical & Mathematical Sciences, Institute for Physics and Engineering of the Academy of Sciences, Donetsk, Ukraine - 1988

## Research

Recent discoveries in quantum nanoplasmonics have raised high hopes for the future development of ultrafast and super small optoelectronic devices. Nanoplasmonic applications utilize plasmons – oscillations of free electrons in metals – to achieve high concentration of the electromagnetic energy at a subwavelength volume. One of the most striking developments in nanoplasmonics has been a theoretical prediction and experimental implementation of the SPASER (Surface Plasmon Amplification by Stimulated Emission of Radiation). Similar to a laser that radiate coherent photons, the spaser generates stimulated emission of coherent surface plasmons in resonating metallic nanoparticles.

In order to be able to use spasers, one must understand their behavior in the external electromagnetic field. Since the spaser is a nonlinear system, its interaction with the external field is very nontrivial. Currently, investigating different aspects of physics of spasers is one of my main areas of interest. This include synchronization of spasers with an external electromagnetic wave, collective behavior of systems of spasers, a possibility of loss compensation by spasers, and creating new types of spasers such as the channel and magneto-optical spasers. I am also interested in studying the light propagation and localization in resonant photonic crystals, optics of magneto-photonic crystals, as well as the general theory of localization.

## Publications

**Books:**

*Quantum Plasmonics*, E.S. Andrianov, A.P. Vinogradov, A.V. Dorofeenko, A.A. Zyablovsky, A.A. Lisyansky, and A.A. Pukhov (Intellekt, Moscow, 2015) [in Russian].*Physics of Critical Fluctuations*, Yu.M. Ivanchenko and A.A. Lisyansky (Springer, NY, 1995).*Fluctuation effects in systems with competing interactions*, Yu.M. Ivanchenko, A.A. Lisyansky, and A.E. Filippov (Naukova Dumka, Kiev, 1989) [In Russian].

**Reviews:**

*Wide-aperture planar lasers*, V. Yu. Shishkov, A. A. Zyablovskii , E. S. Andrianov, A. A. Pukhov, A. P. Vinogradov, A. V. Dorofeenko, S. A. Nikitov, and A. A. Lisyansky, J. Commun. Technol. Electron.**61**, 551 (2016).*PT-symmetry in optics*, A.A. Zyablovsky, A.P. Vinogradov, A.A. Pukhov, A.V. Dorofeenko, and A.A, Lisyansky, Phys. Usp. (Advances in Physical Sciences)**57**, 1063 (2014)- Light propagation in composite materials with gain layers, A.V. Dorofeenko, A.A. Zyablovsky, A.A. Puhov, A.A. Lisyansky, and A.P. Vinogradov, Phys. Usp. (Advances in Physical Sciences)
**55**, 1080 (2012). - Quantum plasmonics of metamaterials: loss compensation using spasers, A.P. Vinogradov, E.S. Andrianov, A.A. Puhov, A.V. Dorofeenko, and A.A. Lisyansky, Phys. Usp. (Advances in Physical Sciences)
**55**, 10 (2012). - Surface states in photonic crystals, A.P. Vinogradov, A.V. Dorofeenko, A.M. Merzlikin, and A.A. Lisyansky, Phys. Usp. (Advances in Physical Sciences)
**53**, 243 (2010). *Photon diffusion, correlation and localization*, A.Z. Genack, N. Garcia, J.H. Li and A.A. Lisyansky, In: Photonic Band Gaps and Localization, Ed. C.M. Soukoulis (Plenum, NY, 1993), p. 23.

**Book chapters:**

*Enhancement of the Faraday effect in magnetophotonic crystals*, A. P. Vinogradov, A. V. Dorofeenko, A. M. Merzlikin, Y. M. Strelniker, A. A. Lisyansky, A. B. Granovsky, and D. Bergman, In:, Eds. M. Inoue, M. Levy, and A. Baryshev, (Springer, Berlin, 2013), pp. 1-17.__Magnetophotonics: From Theory to Applications__*Influencing the approach to the localization threshold*, N. Garcia, J. H. Li, W. Polkosnik, T. D. Cheung, P. H. Tsang, A.A. Lisyansky, and A. Z. Genack, In:(Amsterdam, Elsevier 1991).__Analogies in Optics and Micro-Electronics__

**Selected articles (1990 - ):**

*Superradiance of non-Dicke states*, N. E. Nefedkin, E. S. Andrianov, A. A. Zyablovsky, A. A. Pukhov, A. P. Vinogradov, and A. A. Lisyansky, Opt. Express**25**, 2790 (2017).*Superradiance of a subwavelength array of classical nonlinear emitters*, N. E. Nefedkin, E. S. Andrianov, A. A. Zyablovsky, A. A. Pukhov, A. V. Dorofeenko, A. P. Vinogradov, A. A. Lisyansky, Opt. Express**24**, 3464 (2016).*Comment on “Counterintuitive Dispersion Violating**Kramers-Kronig Relations in Gain Slabs,”*D. B. Baranov, A. A. Zyablovskii, A. V. Dorofeenko, A. P. Vinogradov, E. S. Andrianov, and A. A. Lisyansky, Phys. Rev. Lett.**114**, 099301 (2015).*Lowering the lasing threshold of distributed feedback lasers with loss*, V. Yu. Shishkov, A. A. Zyablovsky, E. S. Andrianov, A. A. Pukhov, A. P. Vinogradov, A. V. Dorofeenko, and A. A. Lisyansky, Phys. Rev. B**92**245420 (2015).*Superoscillating response of a nonlinear system on a harmonic signal*, D.B. Baranov, A.P. Vinogradov and A. A. Lisyansky, Appl. Phys. B-Lasers O.**121**, 209 (2015).*Spaser operation below threshold: autonomous vs. driven spasers*, E. S. Andrianov, A. A. Pukhov, A. V. Dorofeenko, A. P. Vinogradov, and A. A. Lisyansky, Opt. Express**23**, 21983 (2015).*Theory of a double-quantum-dot spaser*, E.S. Andrianov, A.A. Pukhov, A.V. Dorofeenko, A.P. Vinogradov, and A.A. Lisyansky, Quant. Electron.**45**, 245 (2015).*Magneto-optics enhancement with gain-assisted plasmonic subdiffraction chains*, D.B. Baranov, A.P. Vinogradov and A. A. Lisyansky, J. Opt. Soc. Am. B**32**, 281 (2015).*Magnetically Controlled Vertically Emitting Laser with Anisotropic Pumping*, A.A. Zyablovskii, A.V. Dorofeenko, A.A. Pukhov, A.P. Vinogradov, E.S. Andrianov, A. B. Granovskii, and A. A. Lisyansky, J. Commun. Technol. Electr.**60**, 87 (2015).*Spontaneous radiation of a two-level atom into multipole modes of a plasmonic nanoparticle*, E. S. Andrianov, A. A. Pukhov, A. P. Vinogradov, A. V. Dorofeenko, and A. A. Lisyansky, Phot. Nano. Fund. Appl.**12**, 387 (2014).- Abrupt Rabi oscillations in a superoscillating electric field, D. G. Baranov, A. P. Vinogradov, and A. A. Lisyansky, Opt. Lett.
**39**, 6316 (2014). - Causality and phase transitions in PT -symmetric optical systems, A. A. Zyablovsky, A. P. Vinogradov, A. V. Dorofeenko, A. A. Pukhov, and A. A. Lisyansky, Phys. Rev. A,
**89**, 033808 (2014) - Steady state superradiance of a 2D-spaser array, A.V. Dorofeenko, A.A. Zyablovsky, A.P. Vinogradov, E.S. Andrianov, A.A. Pukhov, and A.A. Lisyansky, Opt. Express,
**21**, 14539-14547 (2013). - Magneto-optical spaser, D. G. Baranov, A. P. Vinogradov, A. A. Lisyansky, Yakov M. Strelniker, and David J. Bergman, Opt. Lett.,
**38**, 2002 (2013). - Spectrum of Surface Plasmons Excited by Spontaneous Quantum Dot Transitions, E. S. Andrianov, A. A. Pukhov, A. V. Dorofeenko, A. P. Vinogradov, and A. A. Lisyansky, JETP,
**117**, 206 (2013). - Loss compensation due to the spaser-effect in metamaterials, E.S. Andrianov, D. G. Baranov, A.A. Pukhov, A.V. Dorofeenko, A.P. Vinogradov, and A.A. Lisyansky, Opt. Express,
**21**, 13467 (2013). - Modification of the resonance fluorescence spectrum of a two-level atom in the near field of a plasmonic nanoparticle
*,*E.S. Andrianov, A.A. Pukhov, A.P. Vinogradov, A.V. Dorofeenko, and A.A. Lisyansky, JETP Lett.,**97**, 452 (2013). - Exactly solvable toy model for surface plasmon amplification by stimulated emission of radiation, D. G. Baranov, E.S. Andrianov, A.P. Vinogradov, and A.A. Lisyansky, Opt. Express
**21**, 10779 (2013). - About possibility of bistable dynamics in lasers with single-mode cavities
*,*V. Shuvayev, V. Menon, A. Lisyansky, and L. Deych, J. Opt. Soc. Am. B,**30**, 87 (2013). - Forced Spaser Oscillations, A.A. Lisyansky, E.S. Andrianov, A.V. Dorofeenko, A.A. Pukhov, and A.P. Vinogradov, Proc. SPIE,
**8457**, 84570X-1-16 (2012). - Stationary behavior of a chain of interacting spasers, E. S. Andrianov, A. A. Pukhov, A. V. Dorofeenko, A. P. Vinogradov, and A. A. Lisyansky, Phys. Rev. B,
**85**, 165419 (2012). - Rabi oscillations in spasers during non-radiative plasmon excitation, E. S. Andrianov, A. A. Pukhov, A. V. Dorofeenko, A. P. Vinogradov, and A. A. Lisyansky, Phys. Rev. B,
**85**, 035405 (2012). - Dipole response of spaser on an external optical wave, E. S. Andrianov, A.A. Pukhov, A.V. Dorofeenko, A.P. Vinogradov, and A.A. Lisyansky, Opt. Lett.,
**36**, 4302 (2011). - Channel spaser: Coherent excitation of one-dimensional plasmons from quantum dots located along a linear channel, A. A. Lisyansky, I. A. Nechepurenko, A. V. Dorofeenko, A. P. Vinogradov, and A. A. Pukhov, Phys. Rev. B,
**84**, 153409 (2011). - Forced synchronization of spaser by an external optical wave, E. S. Andrianov, A. A. Pukhov, A. V. Dorofeenko, A. P. Vinogradov, and A. A. Lisyansky, Opt. Express,
**19**, 24849 (2011). - Effect of polarization upon light localization in random layered magnetodielectric media, A. I. Ignatov, A. M. Merzlikin, A. P. Vinogradov, and A. A. Lisyansky, Phys. Rev. B
**83**, 224205 (2011) - Nonlinear optics: Towards polaritonic logic circuits, L.I. Deych, A.A. Lisyansky, V.M. Menon, Nature Photonics,
**4**, 345 (2010). - Surface states in photonic crystals, A.P. Vinogradov, A.V. Dorofeenko, A.M. Merzlikin, and A.A. Lisyansky, Phys. Usp. (Advances in Physical Sciences)
**53**, 243 (2010). - Exciton-lattice polaritons in multiple-quantum well-based photonic crystals, D. Goldberg, L.I. Deych, A.A. Lisyansky, Z. Shi, V.M. Menon, V. Tokranov, M. Yakimov, and S. Oktyabrsky, Nature Photonics,
**3**, 662 (2009). - Luminescence properties of a Fibonacci photonic quasicrystals, V. Passias, N. V. Valappil, Z. Shi, A. A. Lisyansky, Lev Deych, and V. M. Menon, Opt. Express,
**17**, 6636 (2009). - Tailoring surfaces of one-dimensional magnetophotonic crystals: Optical Tamm state and Faraday rotation,T. Goto, A.V. Baryshev, M. Inoue, A.V. Dorofeenko,A.M. Merzlikin, A.P. Vinogradov, A.A. Lisyansky, and A.B. Granovsky, Phys. Rev. B,
**79**, 125103 (2009) (Selected to be Editor's Suggestion.) - Dynamics of the radiative recombination in cylindrical nanostructures with type-II band alignment, V. Shuvayev, I. Kuskovsky, L. Deych, and A.A. Lisyansky, Phys. Rev. B,
**79**,115307**(**2009). - Radiative energy transfer in disordered photonic crystals, M. V. Erementchouk, L. I. Deych, H. Noh, H. Cao, and A. A. Lisyansky, J. Phys.: Condens. Matter,
**21**, 175401 (2009). - Optical Tamm States in One-Dimensional Magnetophotonic Structures, T. Goto, A.V. Dorofeenko, A. M. Merzlikin, A.V. Baryshev, A. P. Vinogradov, M. Inoue, A. A. Lisyansky, and A. B. Granovsky, Phys. Rev. Lett.,
**101**, 113902 (2008). - Photonic crystals built on contrast in attenuation, S.G. Erokhin, A.A. Lisyansky, A.M. Merzlikin, A.P. Vinogradov, and A. B. Granovsky, Phys. Rev. B,
**77**, 233102 (2008). - Exciton luminescence in one-dimensional resonant photonic crystals: A phenomenological approach, L.I. Deych, M.V. Erementchouk, A.A. Lisyansky, E.L. Ivchenko, M.M. Voronov, Phys. Rev. B,
**76**, 075350 (2007). Also in Virtual Journal of Nanoscale Science & Technology,**16**, No. 12. - Full-wave analysis of imaging by the Pendry-Ramakrishna stackable lens, A.V. Dorofeenko, A.A. Lisyansky, A.M. Merzlikin, and A.P. Vinogradov, Phys. Rev. B
**73**, 235126 (2006). - Self-consistent Hartree method for calculations of exciton binding energy in quantum wells, V.A. Shuvayev, L.I. Deych, I.V. Ponomarev, and A.A Lisyansky, Superlattice Microst,
**40**, 77 (2006). - Surface state peculiarities at one-dimensional photonic crystal interfaces, A.P. Vinogradov, A.V. Dorofeenko, S.G. Erokhin, M. Inoue, A.A. Lisyansky, A.M. Merzlikin, and A.B. Granovsky, Phys. Rev. B,
**74**, 045128 (2006). Also in Virtual Journal of Nanoscale Science & Technology,**14**, No. 7. - Photoluminescence spectroscopy of one-dimensional resonant photonic crystals, M.M. Voronov, E.L. Ivchenko, M.V. Erementchouk, L.I. Deych, A.A. Lisyansky, J. Luminescence,
**125**, 112 (2006). - Self-consistent approach for calculations of exciton binding energy in quantum wells, I.V. Ponomarev, V. Shuvaev, L.I. Deych, and A.A. Lisyansky, Physica E,
**25**, 539 (2005). - Effect of interwall surface roughness correlations on optical spectra of quantum well excitons, I.V. Ponomarev, L.I. Deych, and A.A. Lisyansky, Phys. Rev. B,
**71**, 155303 (2005). - Optical properties of one-dimensional photonic crystals based on multiple-quantum-well structures, M.V. Erementchouk, L.I. Deych, and A.A. Lisyansky, Phys. Rev. B,
**71**, 235335 (2005). - Electric-field-induced narrowing of exciton line width, I. Ponomarev, L.I. Deych, and A.A. Lisyansky, Phys. Rev. B,
**72**, 115304 (2005). - Screening of external electric field by photoinduced carriers in Bragg multiple quantum wells, V.I. Puller, L.I. Deych, M.V. Erementchouk, and A.A. Lisyansky, Appl. Phys. Lett.,
**87**,052104 (2005). - Effects of inhomogeneous broadening on reflection spectra of Bragg multiple quantum well structures with a defect, L.I. Deych, M.V. Erementchouk, and A.A. Lisyansky, Phys. Rev. B, 2004,
**69**, 75308. - Restoration of the continuous phase transition induced by frozen disorder in three-dimensional systems with two interacting order parameters, D. Nicolaides and A.A. Lisyansky, Phys. Rev. B, 2004,
**70**, 054401. - Multiple-quantum-well-based photonic crystals with simple and compound elementary supercells, E.L. Ivchenko, M.M. Voronov, M.V. Erementchouk, L.I. Deych, and A.A. Lisyansky, Phys. Rev. B, 2004,
**70**, 195106. - Interface disorder and inhomogeneous broadening of quantum well excitons: Do narrow lines always imply high quality interfaces?, I. V. Ponomarev, L. I. Deych, and A. A. Lisyansky, Appl. Phys. Lett., 2004,
**85**.2496. - Scaling properties of the one-directional Anderson model with correlated diagonal disorder, L.I. Deych, M.V. Erementchouk, and A.A. Lisyansky, Phys. Rev. B, 2003,
**67**, 024205. - Scaling in the one-dimensional Anderson localization problem in the region of fluctuation states, L.I. Deych, M.V. Erementchouk, and A.A. Lisyansky, Phys. Rev. Lett., 2003,
**90**, 126601. - Scaling and the center of band anomaly in a one-dimensional Anderson model with diagonal disorder, L.I. Deych, M.V. Erementchouk, A.A. Lisyansky, and B.L. Altshuler, Phys. Rev. Lett., 2003,
**91**, 096601. - Scaling and fluctuations of the Lyapunov exponent in a 2D Anderson localization problem, Y. Asada, K. Slevin, T. Ohtsuki, L.I. Deych, A.A. Lisyansky, and B.L. Altshuler, J. Phys Soc. Jpn. 2003,
**72**(Suppl. A) p. 173. - Statistics of transmission in one-dimensional disordered systems: universal characteristics of states in the fluctuation tails, L.I. Deych, M.V. Erementchouk, A.A. Lisyansky, A. Yamilov, and H. Cao, Phys. Rev. B, 2003,
**68**, 174203. - Spectral engineering with multiple quantum well structures, L.I. Deych, M.V. Erementchouk, and A.A. Lisyansky, Appl. Phys. Lett., 2003,
**83**, 4562. - Optical spectra and inhomogeneous broadening in CdTe/CdZnTe MQW structures with defects, Lev I Deych, Alexey Yamilov and A A Lisyansky, Nanotechnology,
**13**, 114 (2002). - Scaling in one-dimensional localized absorbing systems, L.I. Deych, A. Yamilov, and A.A. Lisyansky, Phys. Rev. B,
**63**, 024201(5) (2001). - Local polariton modes and resonant tunneling of electromagnetic waves through periodic Bragg multiple quantum well structures, L.I. Deych, A. Yamilov, and A.A. Lisyansky, Phys. Rev. B,
**64**, 075321 (2001). - Tunable local polariton modes in semiconductors, M. Foygel, L.I. Deych, A. Yamilov, and A.A. Lisyansky, Phys. Rev. B,
**64**, 115203(6) (2001). - Single parameter scaling in one-dimensional Anderson localization: Exact analytical solution, L.I. Deych, A.A. Lisyansky, and B.L. Altshuler, Phys. Rev. B,
**64**, 224202(2001). - Single parameter scaling in one-dimensional localization revisited, L.I. Deych, A.A. Lisyansky, and B.L. Altshuler, Phys. Rev. Lett.,
**84**, 2678 (2000). - Impurity-induced polaritons in a one-dimensional chain, A. Yamilov, L.I. Deych, and A.A. Lisyansky, J. Opt. Soc. Amer. B,
**17**, 1498 (2000). - Polariton dispersion law in long Bragg and almost Bragg multiple quantum well structures, L.I. Deych and A.A. Lisyansky, Phys. Rev. B,
**62**, 4242 (2000). - Concept of local polaritons and optical properties of mixed polar crystals, A. Yamilov, L.I. Deych, and A.A. Lisyansky, Phys. Rev. B,
**62**, 6301 (2000). - Polariton local states in periodic Bragg multiple quantum well structures, L.I. Deych, A. Yamilov, and A.A. Lisyansky, Optics Lett.,
**25,**1705 (2000). - Cubic anisotropic magnets with a random field, D. Nicolaides and A.A. Lisyansky, J. Appl. Phys. A,
**85**, 6067 (1999). - Defect-induced resonant tunneling of electromagnetic waves through a polariton gap, L.I. Deych, A. Yamilov, and A.A. Lisyansky, Europhys. Lett.,
**46,**524 (1999). - Effects of resonant tunneling in electromagnetic wave propagation through a polariton gap, L.I. Deych, A. Yamilov, and A.A. Lisyansky, Phys. Rev. B,
**59**, 11339 (1999). *A new criterion for single parameter scaling*, L.I. Deych, A.A. Lisyansky, and B.L. Altshuler, Ann. Phys.,**8**, 53 (1999).- Local polariton states in polar crystals with impurities, L.I. Deych and A.A. Lisyansky, Phys. Lett. A,
**240**, 329 (1998). - Local polariton states in impure ionic crystals, V.S. Podolsky, L.I. Deych and A.A. Lisyansky, Phys. Rev. B,
**57**, 5168 (1998). - Resonance tunneling of polaritons in 1-D chain with a single defect, L.I. Deych and A.A. Lisyansky, Phys. Lett. A,
**243**, 156 (1998). - Resonant tunneling of electromagnetic waves through polariton gaps, L.I. Deych, D. Livdan and A.A. Lisyansky, Phys. Rev. E,
**57**, 7254 (1998). - Statistics of the Lyapunov exponent in 1-D random periodic-on-average systems, L.I. Deych, D. Zaslavsky, and A.A. Lisyansky, Phys. Rev. Lett.,
**81**, 5390 (1998). - Random path averaging in multiple-scattering theory, V.S. Podolsky and A.A. Lisyansky, Phys. Rev. B,
**55**, 3574 (1997). - Wave localization in generalized Thue-Morse superlattices with disorder
*,*L.I. Deych, D. Zaslavsky, and A.A. Lisyansky, Phys. Rev. E,**56**, 4780 (1997). - Diffusion of classical waves in random media with microstructure resonances, D. Livdan and A.A. Lisyansky, J. Opt. Soc. Am. A,
**13**, 844 (1996). - Fluctuation effects in the Ising model with reduced interaction and quenched disorder, D. Nicolaides and A.A. Lisyansky, Phys. Rev. B,
**53**, 8168 (1996). - Transport properties of waves in absorbing random media with microstructure, D. Livdan and A.A. Lisyansky, Phys. Rev. B,
**53**, 14843 (1996). - Transfer matrix of a spherical scatterer, V. Podolsky and A.A. Lisyansky, Phys. Rev. B,
**54**, 12125 (1996). - Disorder-induced polaritons, L.I. Deych and A.A. Lisyansky, Phys. Lett. A,
**220**, 125 (1996). - Measuring the transport mean free path using a reference random media, A.A. Lisyansky, J.H. Li and A.Z. Genack, Opt. Lett.,
**20**, 4 (1995). *Random-field effects in critical phenomena. Exactly solvable model*, D. Nicolaides and A.A. Lisyansky, Phys. Lett. A,**201**, 365 (1995).*Effect of Absorption on the Diffusion Coefficient of Classical Waves in Random Media with Microstructure*, D. Livdan and A.A. Lisyansky, J. Opt. Soc. Am. B,**12**, 2426 (1995).*Generalized renormalization group equation for systems of arbitrary symmetry*, A.A. Lisyansky and D. Nicolaides, Int. J. Theor. Phys.,**33**, 2399 (1994).*Bicritical points in an exactly solvable mode*, A.A. Lisyansky and D. Nicolaides, Phys. Lett. A,**173**, 179 (1993).- Influence of internal reflection on correlation of intensity fluctuation of electromagnetic waves in random media, A.A. Lisyansky and D. Livdan, Phys. Rev. B 1993,
**47**, 14157 (1993). - Transmission, Reflection and Surface Intensity Profiles in Random Media, J.H. Li, A.A. Lisyansky, D. Livdan, T.D. Cheung, and A.Z. Genack, Europhys. Lett.,
**22**, 675 (1993). - Magnetic phase transitions with final ordering: the critical behavior peculiarities, V.L. Sobolev, I.M. Vitebsky, and A.A. Lisyansky, Phys. Rev. B
**47**, 8653 (1993). *Renormalization group equations in local approximation,*A.A. Lisyansky, Yu.M. Ivanchenko, and A.E. Filippov, J. Stat. Phys.,**66**, 1667 (1992).- Generalized renormalization scheme at the Ginzburg-Landau-Wilson model, Yu.M. Ivanchenko and A.A. Lisyansky, Phys. Rev. A,
**45**, 8525 (1992). - Measurement of the photon transport mean free path, N. Garcia, A.Z. Genack, and A.A. Lisyansky, Phys. Rev. B,
**46**, 14475 (1992). *Intensity correlations in wave propagation through random media with internal reflection*, A.A. Lisyansky and D. Livdan, Phys. Lett. A,**170**, 53 (1992).*New renormalization procedure for eliminating redundant operators*, Yu.M. Ivanchenko, A.A. Lisyansky and A.E. Filippov, J. Stat. Phys.,**66**, 1159 (1992).*Influencing the approach to the localization threshold*, N. Garcia, J. H. Li, W. Polkosnik, T. D. Cheung, P. H. Tsang, A.A. Lisyansky, and A. Z. Genack, Physica B 1991,**175**, 9 and in(Amsterdam, Elsevier 1991).__Analogies in Optics and Micro-Electronics__*New approach at critical phenomena theory*, A.A Lisyansky, Sov. J. Low Temp. Phys.,**17**, 610 (1991).*Developed fluctuations and localized excitations in high-T*. Yu.M. Ivanchenko, A.A. Lisyansky, A.E. Filippov, and A.V. Radievsky, Sov. J. Low Temp. Phys.,_{c}and heavy fermion systems**17**, 601 (1991).*Josephson magnetization of Y-Ba-Cu-O superconductors*, Yu.M. Ivanchenko, A.A. Lisyansky and M.I. Tsindlekht, J. Appl. Phys.,**70**, 5748 (1991).*Structure of the correlation function of a fluctuating system at the critical point*, Yu.M. Ivanchenko, A.A. Lisyansky, and A.E. Filippov, Theor. Math. Phys.,**84**, 829 (1990).*New small RG parameter*, Yu.M. Ivanchenko, A.A. Lisyansky, and A.E. Filippov, Phys. Lett. A,**150**, 100 (1990).*Peculiarities of the non-linear respond of ceramic superconductors based on Y-Ba-Cu-O near the transition point*, Yu.M. Ivanchenko, A.A. Lisyanskii, and M. I. Tsindlekht, Sov. Phys - JETP,**70**, 187 (1990).*Oxygen ordering at structural phase transition in Y‑Ba‑Cu‑O*, Yu.M. Ivanchenko, A.A. Lisyanskii, and A.E. Filippov, Phase Transitions 1990,**22**, 31 (1990).