Publications
SELECTED SCIENTIFIC PUBLICATIONS
- Purely spatial diffusion of H atoms in solid normal- and para-hydrogen films,
S. Sheludiakov, D. M. Lee, V. V. Khmelenko, Yu. A. Dmitriev, J. Järvinen, J. Ahokas, and S. Vasiliev, Phys. Rev. B 105, 144102 (2022). article - A large octupole magnetic trap for research with atomic hydrogen
J. Ahokas, A. Semakin, J. Järvinen, O. Hanski, A. Laptiyenko, V. Dvornichenko, K. Salonen, Z. Burkley, P. Crivelli, A. Golovizin, V. Nesvizhevsky, F. Nez, P. Yzombard, E. Widmann, and S. Vasiliev
Rev. Sci. Instrum. 93, 023201 (2022). article preprint - Nuclear-Polarized Phases of H Atoms Embedded in Solid Molecular Hydrogen Films, S. Sheludiakov, D. M. Lee, V. V. Khmelenko, J. Ahokas, J. Järvinen, and S. Vasiliev, J. Low Temp. Phys. (2021). https://doi.org/10.1007/s10909-021-02627-2
- Purely Spatial Quantum Diffusion of H Atoms in Solid H2 at Temperatures below 1 K
S. Sheludiakov, D. M. Lee, V. V. Khmelenko, J. Järvinen, J. Ahokas, and S. Vasiliev
Phys. Rev. Lett., 126, 195301 (2021) pdf - A magneto-gravitational trap for studies of gravitational quantum states
V. V. Nesvizhevsky, F. Nez, S. A. Vasiliev, E. Widmann, P. Crivelli, S. Reynaud, and A. Yu. Voronin
Eur. Phys. J. C 80, 520 (2020) pdf - Experimental cell with a Fabry-Perot resonator tuned in situ for magnetic resonance studies of matrix-isolated radicals at temperatures below 1 K,
S. Sheludiakov, D. M. Lee, V. V. Khmelenko, J. Järvinen, J. Ahokas, and S. Vasiliev
Rev. Sci. Instrum. 91, 063901 (2020) pdf - Dynamic nuclear polarization and ESR hole burning in As doped silicon
J. Järvinen, D. Zvezdov, J. Ahokas, S. Sheludyakov, L. Lehtonen, S. Vasiliev, , L. Vlasenko, Y. Ishikawa, Y. Fujii
Phys. Chem. Chem. Phys. 22, 10227 (2020) pdf - Studies of nuclear polarization of hydrogen atoms embedded in solid molecular hydrogen and hydrogen deuteride films
S. Sheludiakov, D. M. Lee, V. V. Khmelenko, J. Ahokas, J. Järvinen, and S. Vasiliev
Low Temp. Phys. 46, 139 (2020) pdf - Formation of Nuclear-Polarized Phases of H Atoms Embedded in Solid H2 Films
S. Sheludiakov, P. T. McColgan, D. M. Lee, V. V. Khmelenko, J. Järvinen, J. Ahokas, and S. Vasiliev
Phys. Rev. Lett., 122, 225301 (2019) pdf - Evidence for melting of HD and D2 clusters in solid neon below 1 K
S. Sheludiakov, J. Ahokas, J. Järvinen, L. Lehtonen, S. Vasiliev, Yu. A. Dmitriev, D. M. Lee, and V. V. Khmelenko
Phys. Rev B, 99, 174514 (2019) pdf - Gravitational and matter-wave spectroscopy of atomic hydrogen at ultra-low energies
S. Vasiliev, J. Ahokas, J. Järvinen, V. Nesvizhevsky, A. Voronin, F. Nez and S. Reynaud
Hyperfine Interact, 240, 14 (2019) pdf - Quantum reflection of antihydrogen from a liquid helium bulk
P.-P. Crépin, E. A. Kupriyanova, R. Guérout, A. Lambrecht, V. V. Nesvizhevsky, S. Reynaud, S. Vasiliev, A. Yu. Voronin
Hyperfine Interact, 240, 58 (2019) pdf - Spin Waves in Quantum Gases — The Quality Factor of the Identical Spin Rotation Effect
L. Lehtonen, O. Vainio, J. Ahokas, J. Järvinen, S. Sheludyakov, K.-A. Suominen, S. Vasiliev, V. V. Khmelenko and D. M. Lee
Phys. Scr., 93, 094002 (2018) pdf - Identical spin rotation effect and electron spin waves in quantum gas of atomic hydrogen
L. Lehtonen, O. Vainio, J. Ahokas, J. Järvinen, S. Novotny, S. Sheludyakov, K.-A. Suominen, S. Vasiliev, V. V. Khmelenko and D. M. Lee
NJP, 20, 055010 (2018) pdf - Electron spin resonance study of atomic hydrogen stabilized in solid neon below 1K
Sergey Sheludiakov, Janne Ahokas, Jarno Järvinen, Sergey Vasiliev, Yuri Dmitriev, David Lee, Vladimir Khmelenko
Phys. Rev B, 97, 104108 (2018) pdf - Dynamic Polarization and Relaxation of 75 As Nuclei in Silicon at High Magnetic Field and Low Temperature
J. Järvinen, J. Ahokas, S. Sheludyakov, D. Zvezdov, O. Vainio, L. Lehtonen, L. Vlasenko, S. Vasiliev
Appl. Magn. Reson., 48, 473 (2017), arXiv:1611.04384 pdf - ESR study of atomic hydrogen and tritium in solid T2 and T2 :H2 matrices below 1 K
S. Sheludiakov, J. Ahokas, J. Järvinen, L. Lehtonen, O. Vainio, S. Vasiliev, V. V. Khmelenko, and D. M. Lee
Phys. Chem. Chem. Phys., 19, 2834 (2017), arXiv 1609.06564 pdf - Tunneling chemical exchange reaction D + HD -> D2 + H in solid HD at temperatures below 1K
S. Sheludiakov, J. Ahokas, J. Järvinen, D. Zvezdov, L. Lehtonen, O. Vainio, S. Vasiliev, V. V. Khmelenko, and D. M. Lee
Phys. Chem. Chem. Phys., 18, 29600 (2016) pdf - Electron Spin Resonance Study of Electrons Trapped in Solid Molecular Hydrogen Films
S. Sheludiakov, J. Ahokas, J. Järvinen, O. Vainio, L. Lehtonen, D. Zvezdov, V. V. Khmelenko, D. M. Lee, S. Vasiliev
J. Low. Temp. Phys., 183, 120 (2016) pdf - Microscopic control of 29-Si nuclear spins near phosphorus donors in silicon
J. Järvinen, D. Zvezdov, J. Ahokas, S. Sheludyakov, O. Vainio, L. Lehtonen, S. Vasiliev, Y. Fujii, S. Mitsudo, T. Mizusaki, M. Gwak, SangGap Lee, Soonchil Lee, L. Vlasenko
Phys. Rev. B, 92, 121202 (2015) pdf - Bose-Einstein Condensation of Magnons in Atomic Hydrogen Gas
O. Vainio, J. Ahokas, J. Järvinen, L. Lehtonen, S. Novotny, S. Sheludiakov, K.-A. Suominen, S. Vasiliev, D. Zvezdov, V. V. Khmelenko, D. M. Lee
Phys. Rev. Lett., 114, 125304 (2015) pdf - Dynamic Nuclear Polarization of High-Density Atomic Hydrogen in Solid Mixtures of Molecular Hydrogen Isotopes
S. Sheludiakov, J. Ahokas, J. Järvinen, D. Zvezdov, O. Vainio, L. Lehtonen, S. Vasiliev, S. Mao, V. V. Khmelenko, D. M. Lee
Phys. Rev. Lett., 113, 265303 (2014) pdf - Efficient dynamic nuclear polarization of phosphorus in silicon in strong magnetic fields and at low temperatures
J. Järvinen, J. Ahokas, S. Sheludyakov, O. Vainio, L. Lehtonen, S. Vasiliev, D. Zvezdov, Y. Fujii, S. Mitsudo, T. Mizusaki, M. Gwak, SangGap Lee, Soonchil Lee, L. Vlasenko
Phys. Rev. B 90, 214401 (2014) pdf - Experimental cell for molecular beam deposition and magnetic resonance studies of matrix isolated radicals at temperatures below 1 K
S. Sheludiakov, J. Ahokas, O. Vainio, J. Järvinen, D. Zvezdov, S. Vasiliev, V. V. Khmelenko, S. Mao, D. M. Lee
Rev. Sci. Instrum. 85, 053902 (2014) pdf - Guiding and Trapping of Electron Spin Waves in Atomic Hydrogen Gas
O. Vainio, J. Ahokas, S. Novotny, S. Sheludyakov, D. Zvezdov, K.-A. Suominen, and S. Vasiliev
Phys. Rev. Lett. 108, 185304 (2012) pdf - Matrix Isolation of H Atoms at Low Temperatures
V. V. Khmelenko, D. M. Lee and S. Vasiliev
J. Low Temp. Phys., 162, 105-120 (2011) pdf - Magnetic resonance line shifts in the quantum gas of atomic hydrogen
J. Ahokas, O. Vainio, S. Novotny, J. Järvinen, and S. Vasiliev
Phys. Scr. T140, 014012 (2010) pdf - Magnetic resonance study of H atoms in thin films of H2 at temperatures below 1 K
J. Ahokas, O. Vainio, S. Novotny, J. Järvinen, V. V. Khmelenko, D. M. Lee, and S. Vasiliev
Phys. Rev. B 81, 104516 (2010) pdf - Stabilization of high density atomic hydrogen in H2 films at below 0.5 K
J. Ahokas, O. Vainio, J. Järvinen, V. V. Khmelenko, D. M. Lee, and S. Vasiliev
Phys. Rev. B 79, 220505 (2009) pdf - Clock Shift in High Field Magnetic Resonance of Atomic Hydrogen
J. Ahokas , J. Järvinen , G. V. Shlyapnikov , and S. Vasiliev
Phys. Rev. Lett. 101, 263003 (2008) pdf - Magnetic Resonance Studies of Cold Atomic Hydrogen Gas
J. Ahokas, J. Järvinen, and S. Vasiliev
J. Low Temp. Phys. 150, 577 (2008) - Thermal Compression of Atomic Hydrogen on Helium Surface
J. Järvinen, J. Ahokas, and S. Vasiliev
J. Low Temp. Phys. 147, 579 (2007). - Cold Collision Frequency Shift in Two-Dimensional Atomic Hydrogen
J. Ahokas, J. Järvinen, and S. Vasiliev
Phys. Rev. Lett 98 , 043004 (2007) pdf - Exotic Behavior of Hydrogen Atoms in Solid H2 at Temperatures below 1 K
J. Ahokas, J. Järvinen, V. V. Khmelenko, D. M. Lee, and S. Vasiliev
Phys. Rev. Lett. 97, 095301 (2006) pdf - Three-body recombination in two-dimensional atomic hydrogen gas
J. Järvinen, J. Ahokas, S. Jaakkola, and S. Vasilyev
Phys. Rev. A 72, 052713 (2005). - Thermal compression of two-dimensional atomic hydrogen gas
S. Vasilyev, J. Järvinen, A.I. Safonov, and S. Jaakkola
Phys. Rev. A 69, 023610 (2004) pdf - Cryogenic 2 mm wave electron spin resonance spectrometer with applications to atomic hydrogen gas below 100 mK
S. Vasilyev, J. Järvinen, E. Tjukanoff, A. Kharitonov, and S. Jaakkola
Rev. Sci. Instrum. 75, 94 (2004) pdf - Electron-Spin-Resonance Instability in Two-Dimensional Atomic Hydrogen Gas
S. Vasilyev, J. Järvinen, A. Safonov, A. Kharitonov, I. Lukashevich, and S. Jaakkola
Phys. Rev. Lett. 89, 153002 (2002) pdf - Adsorption and Two-Body Recombination of Atomic Hydrogen on 3He-4He Mixture Films
Safonov, A.I., Vasilyev, S.A., Kharitonov, A.A., Boldarev, S.T., Lukashevich, I.I. and Jaakkola, S.
Phys. Rev. Lett. 86, 3356 (2001) pdf - Observation of Quasicondensate in Two-Dimensional Atomic Hydrogen
Safonov, A.I., Vasilyev, S.A., Yasnikov, I.S., Lukashevich, I.I. and Jaakkola, S.
Phys. Rev. Lett. 81, 4545 (1998) pdf
PhD theses:
Sergei Sheludiakov, Magnetic Resonance Study of Atomic Hydrogen Stabilized in Matrices of Hydrogen Isotopes below 1K, Ph.D thesis, University of Turku (2017) pdf
Otto Vainio, Spin-Dynamics in Cold Gases of 87Rb and Atomic Hydrogen, Ph.D thesis, University of Turku (2012) pdf
Janne Ahokas, Magnetic Resonance Experiments with Atomic Hydrogen, Ph.D. thesis, University of Turku (2010) pdf
Jarno Järvinen, Studies of Two-Dimensional Atomic Hydrogen Gas with Electron-Spin Resonance, University of Turku (2006) pdf
Recent MSci diploma:
Ville Virtanen, Quartz Microbalance and its Application in Low Temperature Physics, University of Turku, 2012 pdf
Sergey Sheludyakov, Thermometry below 1K, University of Turku, 2011 pdf
Denis Zvezdov, Studies of Spin Kinetics in Atomic Hydrogen Gas, Kazan Federal University, 2011 (in russian pdf)
Janne Ahokas, Magnetic Resonance in Atomic Hydrogen, University of Turku, 2005 pdf