Awards:

• The medal of the National Academy of Sciences of Ukraine (1982)
• The title of ''Visiting Professor of RIKEN'' under the RIKEN eminent scientist invitation program, Institute of Physical and Chemical Research (RIKEN), Japan (2001).

Languages:

English, Ukrainian

Education:

Field of Scientific Interest:

Quantum transport in low-dimensional electron systems with extremely strong internal interactions, quantum fluids and solids, superconductivity.

Main Achievements:

• Proposed the new mechanism of high-temperature superconductivity in a 1D quantum liquid of impenetrable charged particles on an inert neutralizing background (2024).
• Found the exact solution for nonlinear polaron-like dynamics of the 2D Wigner solid on superfluid 4He (2022).
• Formulated the theory of anomalous quasiparticle reflection from the uneven surface of a 3He-4He dilute solution (2017).
• Developed the theory of the effect of radiation helicity on microwave-induced magnetoconductivity oscillations in a 2D electron gas on liquid helium (2017).
• Described new quantum oscillations and the negative conductivity effect in the photo-excited electron gas under a quantizing magnetic field (2011).
• Solved the problem of electron detrapping from the polaron to the quasifree state above a liquid helium film (2002).
• Developed the theory of quantum magnetotransport in the 2D system of strongly interacting electrons on liquid helium (2001).
• Formulated the theory of transport properties of the 2D Wigner solid coupled to surface dimples on normal and superfluid 3He (1997).
• Predicted the new mechanism of electron energy relaxation and decay of excited Rydberg states over liquid helium caused by emission of pairs of short-wavelength surface excitations (1978).
• Formulated the theory of interaction of a 2D electron gas with surface excitations of liquid helium (1974).

Professional Experience:

Works at the ILTPE since 1974. Has work experience in the Department of Physics of Eindhoven University of Technology (The Netherlands, 1992-1993), in the Institute for Solid State Physics of University of Tokyo (Japan, 1996-1997), and in the Grenoble High Magnetic Field Laboratory MPI-FKF CNRS (France, 1998-1999).

The co-author of four books.

Publications:

Number of papers: 140 (in the refereed journals - 140)

Selected Publications for the last 10 years:

1. Yu.P. Monarkha, Electron-electron attraction via Coulomb correlations and possible superconductivity in a 1D electron liquid on a rigid neutralizing background, Low Temp. Phys., 50, 489 (2024).
2. Yu.P. Monarkha, Microwave-induced intersubband scattering and magnetooscillation phenomena in an inhomogeneous 2D electron gas on liquid helium, Low Temp. Phys., 49, 942 (2023).
3. Yu.P. Monarkha, Bragg–Cherenkov resonance and polaron-like decoupling of the Wigner solid on superfluid helium, Low Temp. Phys., 4848, 612 (2022).
4. Yu.P. Monarkha, Intersubband Absorption in a Microwave-Excited Inhomogeneous 2D Electron Gas under Quantizing Magnetic Fields, J. Phys. Soc. Jpn., 90, 073601 (2021).
5. Yu.P. Monarkha, Magnetoconductivity oscillations induced by intersubband excitation in a degenerate 2D electron gas, Low Temp. Phys., 46, 569 (2020).
6. Yuriy Monarkha and Denis Konstantinov, Magneto-Oscillations and Anomalous Current States in a Photoexcited Electron Gas on Liquid Helium (Review Article), J. Low Temp. Phys., 197, 208 (2019).
7. A. A. Zadorozhko, Yu. P. Monarkha, and D. Konstantinov, Circular-Polarization-Dependent Study of Microwave-Induced Conductivity Oscillations in a Two-Dimensional Electron Gas on Liquid Helium, Phys. Rev. Lett., 120, 046802 (2018).
8. H. Ikegami, K. Kim, D. Sato, K. Kono, Choi, and Yu. P. Monarkha, Anomalous Quasiparticle Reflection from the Surface of a 3He-4He Dilute Solution, Phys. Rev. Lett., 119, 195302 (2017).
9. Yu. P. Monarkha, Subharmonic phonon-ripplon coupling in the 2D Wigner solid on superfluid helium, Europhys. Lett., 118, 67001 (2017).
10. Yu. P. Monarkha, Polarization dependence of microwave-induced magnetoconductivity oscillations in a two-dimensional electron gas on liquid helium, Low Temp. Phys., 43, 650 (2017).