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Physics

D-Index
84
Citations
25465
World Ranking
2679
National Ranking
9

Research.com Recognitions

  • 2017 - Friedmann Prize, Russian Academy of Sciences For the series of works: New directions in the cosmology of the early and modern universe

Overview

Igor Tkachev is affiliated with the Russian Academy of Sciences in the Russian Federation. Their research predominantly spans the domain of Physics and Astronomy, with a focused emphasis on Nuclear and High Energy Physics and Astronomy and Astrophysics. They have also contributed to Radiation, Atomic and Molecular Physics and Optics, and Atmospheric Science.

Tkachev's published work addresses a variety of topics within these fields. Major research themes include:

  • Dark Matter and Cosmic Phenomena
  • Astrophysics and Cosmic Phenomena
  • Cosmology and Gravitation Theories
  • Neutrino Physics Research
  • Galaxies: Formation, Evolution, Phenomena
  • Radiation Detection and Scintillator Technologies
  • Particle physics theoretical and experimental studies

The scientist has contributed to several research papers appearing in respected scientific journals and venues. Notable recent papers include:

  • "Radio-emission of axion stars," 2020, Physical review. D/Physical review. D.
  • "An extremely energetic cosmic ray observed by a surface detector array," 2023, Science
  • "Testing entanglement of annihilation photons," 2023, Scientific Reports
  • "Instability of rotating Bose stars," 2021, Physical review. D/Physical review. D.
  • "Mass production and characterization of 3-inch PMTs for the JUNO experiment," 2021, Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment

Tkachev frequently publishes in venues such as arXiv (Cornell University), Physical review. D, Scientific Reports, Moscow University Physics Bulletin, and Science.

Collaborations form an essential part of Tkachev's scientific work. Frequent co-authors include:

  • A. Ivashkin
  • Г. И. Рубцов
  • D. G. Levkov
  • A. G. Panin
  • F. Guber

Igor Tkachev received the Friedmann Prize from the Russian Academy of Sciences in 2017 for a series of works titled "New directions in the cosmology of the early and modern universe."

Best Publications

  • Neutrino Physics with JUNO

    Fengpeng An;Guangpeng An;Qi An;Vito Antonelli

  • Improved Upper Limit on the Neutrino Mass from a Direct Kinematic Method by KATRIN

    M. Aker;K. Altenmüller;M. Arenz;M. Babutzka

  • Dynamics of symmetry breaking and tachyonic preheating.

    Gary N. Felder;Juan Garcia-Bellido;Patrick B. Greene;Lev Kofman

  • Classical Decay of the Inflaton

    S Yu Khlebnikov;Igor I Tkachev;Igor I Tkachev

  • The nuMSM, inflation, and dark matter

    Mikhail Shaposhnikov;Mikhail Shaposhnikov;Igor Tkachev

  • A White Paper on keV sterile neutrino Dark Matter

    R. Adhikari;M. Agostini;N. Anh Ky;N. Anh Ky;T. Araki

  • The surface detector array of the Telescope Array experiment

    T. Abu-Zayyad;R. Aida;M. Allen;R. Anderson

  • Constrained simulations of the magnetic field in the local Universe and the propagation of ultrahigh energy cosmic rays

    Klaus Dolag;Dario Grasso;Volker Springel;Igor Tkachev

  • Axion miniclusters and Bose stars

    Edward W. Kolb;Edward W. Kolb;Edward W. Kolb;Igor I. Tkachev;Igor I. Tkachev;Igor I. Tkachev

  • Constrained Simulations of the Magnetic Field in the Local Supercluster and the Propagation of UHECR

    K. Dolag;D. Grasso;V. Springel;I. Tkachev

  • Dynamics of bubbles in general relativity

    V. A. Berezin;V. A. Berezin;V. A. Kuzmin;V. A. Kuzmin;I. I. Tkachev

  • Relic gravitational waves produced after preheating

    S.Y. Khlebnikov;I.I. Tkachev;I.I. Tkachev

  • Production of Massive Fermions at Preheating and Leptogenesis

    Gian Francesco Giudice;Antonio Riotto;Igor Tkachev;Marco Peloso

  • Indications of Intermediate-Scale Anisotropy of Cosmic Rays with Energy Greater Than 57 EeV in the Northern Sky Measured with the Surface Detector of the Telescope Array Experiment

    R.U. Abbasi;M. Abe;T.Abu-Zayyad

  • Indications of intermediate-scale anisotropy of cosmic rays with energy greater than 57 EeV in the northern sky measured with the surface detector of the Telescope Array experiment

    R. U. Abbasi;M. Abe;T. Abu-Zayyad;M. Allen

  • LATTICEEASY: A program for lattice simulations of scalar fields in an expanding universe

    Gary N. Felder;Igor Tkachev

  • Turbulent Thermalization

    Raphael Micha;Igor I. Tkachev

  • New air fluorescence detectors employed in the Telescope Array experiment

    H. Tokuno;Y. Tameda;M. Takeda;K. Kadota

  • Nonlinear axion dynamics and the formation of cosmological pseudosolitons.

    Edward W. Kolb;Igor I. Tkachev

  • The Cosmic-Ray Energy Spectrum Observed with the Surface Detector of the Telescope Array Experiment

    T. Abu-Zayyad;R. Aida;M. Allen;R. Anderson

Frequent Co-Authors

Dongsu Ryu
Dongsu Ryu Ulsan National Institute of Science and Technology
Masaaki Tanaka
Masaaki Tanaka University of Tokyo

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