Featured publications

• Kahniashvili, T., Brandenburg, A. Tevzadze, A., ““Evolution and Signatures of Primordial Magnetic Fields” 2015, Phys. Scripta submitted, arXiv: 1507.00510
• Aiola, S. Wang, B., Kosowsky, A. Kahniashvili, T., Firoujahi, H., “Microwave Background Correlations from Dipole Modulation”, Phys. Rev. D. accepted, arXiv. 1506.04405
•  Kisslinger, L. and Kahniashvili, T., “Polarized Gravitational Waves from Cosmological Phase Transitions”, Phys. Rev. D. accepted, arXiv. 1505. 03680.
•  Kahniashvili, T, Kar, A., Lavrelashvili, G., Agarwal, N., Heisenberg, L., and Kosowsky, A., ``Cosmic Expansion in Extended Quasidilaton Massive Gravity”, 2015, Phys. Rev. D. Rapid Communications, 91, 041301.
•  Brandenburg, A., Kahniashvili, T., Tevzadze, A., “Non-helical Inverse Transfer of a Decaying Magnetic Field”, 2015, Phys. Rev. Lett. 114, 075001
• Kahniashvili, T., Maravin, Yu.,Lavrelashvili, G., and Kosowsky, `A., `Primordial Magnetic Helicity Constraints from WMAP Nine-Years Data", 2014, Phys. Rev. D. 90, 083004
•  Avsajanishvili, O., Arhipova, N., Samushia, L. Kahniashvili, T., 2014, “Growth Rate in Dynamical Dark Energy Models”, The European Phys. J. C. 74, 11, 3127
• Kahniashvili, T., Tevzadze, A., Brandenburg, A., and Neronov, A., 2013 “Evolution of Primordial Magnetic Fields from Phase Transitions”, Phys. Rev. D. 87, 083007
• Kahniashvili, T., Maravin, Yu.,Natarajan, A., Battaglia, N., Tevzadze, A., 2013 “Constraining Primordial Magnetic Fields through Large Scale Structure”, Astrophys. J. 770, 47
•  Campanelli, L, Fogli, G., Kahniashvili, T., Marrone, A., and Ratra, B. 2012, “Galaxy Cluster Number Count Data Constraints on Dark Energy”, The European Phys. J. 72, 2218
• Kahniashvili, T., Brandenburg, A., Campanelli, L., Ratra, B., Tevzadze, A., 2012, “Evolution of Inflation-Generated Magnetic Field through Phase Transitions”, Phys. Rev. D. 86, 103005.
•  Tevzadze, A., Kisslinger, L., Brandenburg, A., and Kahniashvili, T., 2012, “Magnetic Fields from QCD Phase Transitions”, Astrophys. J. 759, 54
• Kosowsky A., and Kahniashvili, T. 2011, ``The Signature of Local Motion in the Microwave Sky,'' Phys. Rev. Lett . 106, 191301
• Chitov, G., August, T., Natarajan, A., and Kahniashvili, T., 2011, ``Mass Varying Neutrinos, Quintessence, and the Accelerating Expansion of the Universe,'' Phys. Rev. D. 83, 045033
•  Kahniashvili, T., Tevzadze, A. G., and Ratra, B., 2011 “Phase Transition Generated Magnetic Field at Large Scales”,Astrophys. J. 726, 78
•  Kahniashvili, T., Tevzadze, A. G., Sethi, S. K., Pandey, K., and Ratra, B. 2010, “Primordial Magnetic Field Limits from Cosmological Data”, Phys. Rev. D 82, 083005
• Kahniashvili, T., Brandenburg, A., Tevzadze, A. G., and Ratra, B., 2010, ”Numerical Simulations of the Decay of Primordial Magnetic Turbulence,'' Phys. Rev. D 81, 123002
•  Kahniashvili, T., Kisslinger, L., Stevens, T., 2010, “Gravitational Radiation Generated by the Cosmological Phase Transitions Magnetic Fields“, Phys. Rev. D 81, 023004
•  Kahniashvili, T., Maravin, Yu.,Kosowsky, A., 2009, “Faraday Rotation Limits on a Primordial Magnetic Field from WMAP 5-years Data”, Phys. Rev. D. 80, 023009
•  Kahniashvili, T., Campanelli, L., Gogoberidze, G., Yu. Maravin, and Ratra, B., 2008, “Gravitational Radiation from Primordial MHD Turbulence”, Phys. Rev. D. 78, 123006
• Kahniashvili, T., Durrer, R., and Maravin, Yu., 2008, “Testing Lorentz Invariance through WMAP Five Years Data”, Phys. Rev. D. 78 123009
•  Kahniashvili, T., Lavrelashvili, G., and Ratra, B., 2008, “CMB Temperature Two-Point Correlation functions in the Universe with broken Isotropy”, Phys. Rev. D, 78, 063012
•  Kahniashvili, T., Kosowsky, A., Gogoberidze, G., and Maravin, Yu., 2008, “Detectability of Gravitational Waves from Phase Transitions”, Phys. Rev. D 78 043003.
•  Kahniashvili, T., Gogoberidze, G., and Ratra, B. 2008, “Gravitational Radiation from Primordial MHD Turbulence”, Phys. Rev. Lett., 100, 231301
•  Gogoberidze, G., Kahniashvili, T., and Kosowsky, A., 2007, “The Spectrum of Gravitational Radiation from Primordial Turbulence”, Phys. Rev. D., 76, 083002
•  Baukh, V., Zhuk, A., and Kahniashvili, T., 2007, “Extra Dimensions and Lorenz Invariance Violation” Phys. Rev. D., 76, 027502
• Kahniashvili, T. and Ratra, B., 2007, “CMB Anisotropies Due to Cosmological Magnetosonic Waves”, 2006, Phys. Rev. D. 75, 023002.
•  Kahniashvili, T., Gogoberidze, G., and Ratra, B., 2006, “Gamma Ray Burst Constraints on Ultraviolet Lorentz Invariance Violation”, Phys. Lett. B., 643, 81
•  Kahniashvili, T. and Vachaspati, T., 2006, “On the Detection of Magnetic Helicity”, Phys. Rev. D, 73 063507
•  Kahniashvili, T., 2006, “Effects of cosmological Magnetic Helicity on CMB”, Astr. Nach. 327, 414.
• Kahniashvili, T., Gogoberidze, G.,andRatra, B., 2005, “Polarized Cosmological Gravitational Waves from Primordial Helical Turbulence”, Phys. Rev. Lett. 95, 151301.
•  Kahniashvili, T. and Ratra, B., 2005, “Effects of Cosmological Magnetic Helicity on the Cosmic Microwave Background Radiation”, Phys. Rev. D. 71, 103006
•  Kahniashvili, T., 2005, “Cosmological Magnetic Fields vs. CMB”, New Astron. Rev. 49, 79
•  Kahniashvili, T. 2006, “Effects of Primordial Helicity on CMB”, New Astron. Rev. 50, 1015
• Kahniashvili, T., von Toerne, E., Arhipova, N., and B. Ratra, 2005, “Neutrino Mass Limit from Galaxy Cluster Number Density Evolution” Phys. Rev. D. 71, 125009
•  Kosowsky, A., Kahniashvili, T., Lavrelashvili, G., and Ratra, B., 2005, “Faraday Rotation of Cosmic Microwave Radiation Polarization by Stochastic Magnetic Field”, Phys. Rev. D. 71, 043006
• Chen, G., Mukharjee, P., Kahniashvili, T., Ratra, B, and Wang, Yu, 2004, “Looking for Cosmological Alfven Waves in WMAP Data”,Astrophys. J., 611, 655
• Caprini, C., Durrer, R., and Kahniashvili, T., 2004, ”Cosmic Microwave Background and Helical Magnetic Fields: The Tensor Mode”, Phys. Rev. D., 69, 063006
• Kosowsky, A., Mack, A., and Kahniashvili, T., 2002, "Gravitational Radiation from Cosmological Turbulence", Phys. Rev. D., 66, 024030
•  Arkhipova, N., Kahniashvili, T., and Lukash V.N., 2002, "Abundance and Evolution of Galaxy Clusters in Cosmological Models with Massive Neutrinos", Astron. and Astroph., 386, 775
•  Mack, A, Kahniashvili, T., and Kosowsky, A., 2002, "Vector and Tensor Microwave Background Signatures of a Primordial Magnetic Field", Phys. Rev. D., 65, 123004
•  Durrer, R., Ferreira, P., and Kahniashvili, T., 2000, "Tensor Microwave Anisotropies from a Stochastic Magnetic Field", Phys. Rev. D. 61, 043001
•  Valdarnini, R., Kahniashvili, T., and Novosyadlyj, B., 1998, "Large Scale Structure Formation in Mixed Dark Matter Models with a Cosmological Constant", Astron. Astroph. 336, 11
• Durrer, R., Kahniashvili T., and Yates, A., 1998, "Microwave Background Anisotropies from Alfven Waves", Phys. Rev. D., 58, 123004
•  Durrer, R., and Kahniashvili, T., 1998, "CMB Anisotropies Caused by Gravitational Waves: A Parameter Study", Hel. Phys. Acta, , 71, 445
• Kahniashvili, T., Machabeli G.Z., and Nanobashvili, I., 1997, "Generation of the Electrostatic Field in the Pulsar Magnetosphere Plasma", Phys. Plasma, 4, 1132
• Kahniashvili, T., Novosyadlyj, B., and Valdarnini, R., 1996, "Primordial Inhomogeneities Spectra in Mixed Dark Matter Models with a Cosmological constant", Hel. Phys. Acta., 69, 219
• Kahniashvili, T., and Lukash,V.N., 1996, "Creation of Potential Perturbations in the Universe Containing Weakly Interacting Particles", J. Georgian Physical Society, 3, 56
• Chedia, O., Kahniashvili, T., Machabeli, G.Z., and Nanobashvili, I., 1996, "Magneto-hydrodynamics of a Rotating Relativistic Plasma Stream", J. Georgian Phys. Society, 3, 37
•  Chedia, O., Kahniashvili, T., Machabeli, G.Z., and Nanobashvili, I., 1996, "On the Kinematics of a Co-rotating Relativistic Plasma Stream in the Perpendicular Rotator Model of a Pulsar magnetosphere",Astrophys. Spa. Sci., 239, 54
• Kahniashvili, T., 1990, "The Formation of the Spectra of the Pre-Galactic Inhomogeneities in the CDM and HDM Models", Astron. Nachr., 311, 193
•  Kahniashvili, T., Lominadze, J.G., Rogava, A., and Chagelishvili, G., 1990, "Generation of a Large-Scale Magnetic Field by Turbulence in a Relativistic Accretion Disk”, AAO bulletin, 68, 16

An extensive list of publications