1. Effects of the dispersionless one-particle spectrum on the properties of quantum lattice systems.
2. Transport through nanoclusters (molecules).

Articles:

1. Frustrated honeycomb-lattice bilayer quantum antiferromagnet in a magnetic field: Unconventional phase transitions in a two-dimensional isotropic Heisenberg model / T. Krokhmalskii, V. Baliha, O. Derzhko, J. Schulenburg, J. Richter // Phys. Rev. B. 2017. Vol. 95, no. 9. P. 094419 : 1–11 (https://doi.org/10.1103/PhysRevB.95.094419)
2. Frustrated honeycomb-lattice bilayer quantum antiferromagnet in a magnetic field / T. Krokhmalskii, V. Baliha, O. Derzhko, J. Schulenburg, J. Richter // Physica B. 2018. Vol. 536. P. 388–391 (https://doi.org/10.1016/j.physb.2017.09.064)
3. Thermodynamic properties of Ba₂CoSi₂O₆Cl₂ in a strong magnetic field: Realization of flat-band physics in a highly frustrated quantum magnet / J. Richter, O. Krupnitska, V. Baliha, T. Krokhmalskii, O. Derzhko // Phys. Rev. B. 2018. Vol. 97, no. 2. P. 024405 : 1–7 (https://doi.org/10.1103/PhysRevB.97.024405)
4. Ising versus Potts criticality in low-temperature magnetothermodynamics of a frustrated spin-1/2 Heisenberg triangular bilayer / J. Strečka, K. Karľová, V. Baliha, O. Derzhko // Phys. Rev. B. 2018. Vol. 98, no. 17. P. 174426 : 1–14 (https://doi.org/10.1103/PhysRevB.98.174426)

In 2015 Vasyl Baliha graduated from the Faculty of Physics of Ivan Franko National University of Lviv with honors. Has received a full higher education in the specialty of “Physics” and got a Master’s degree in Physics (Bachelor’s degree with honors in the specialty of “Physics”, qualification – Bachelor of Physics, Teacher of Physics (2013)).

From November 2015 he was a postgraduate student of the Department of Quantum Statistics at the Institute for Condensed Matter Physics of the NASU. He graduated from the Ph.D. program in October 2018.

From November 2018 to December 2021 he worked as a junior research fellow of the Quantum Statistics Department at the Institute for Condensed Matter Physics of the NASU.

The thesis is “Effects of frustration in quantum Heisenberg antiferromagnets on bilayer lattices“. Professor O. V. Derzhko is a supervisor of his thesis. Vasyl Baliha defended his Ph.D. thesis on 15 May 2019. He was granted the degree of Candidate of Physical and Mathematical Sciences by specialty in Theoretical Physics on 20 June 2019.

Regional Prize laureate for young scientists and researchers 2017.

Scholarship of President of Ukraine for young scientists 2018–2020.

Researcher in the research group of young scientists supported by the NAS of Ukraine (Contract No. 17/2018, No. 7/2019)

Prize laureate for young scientists and students for the best research works of the NAS of Ukraine 2019.

Researcher in the research group of young scientists supported by the President of Ukraine 2019.

Researcher in the research laboratory of young scientists supported by the NAS of Ukraine (Contract No. 09/01-2020, No. 09/01-2021(2)).

From February 19, 2024, Vasyl Baliha was enrolled as a junior research fellow on the topic Fz-01F of the Faculty of Physics (Department of General Physics) of Ivan Franko National University of Lviv.

By now he published 5 scientific works and 1 preprint.

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