Theoretical astroparticle physics group Print E-mail

Publications



• Electron-positron plasma
1. R. Ruffini, G.V. Vereshchagin and S.-S. Xue, “Vacuum polarization and plasma oscillations”, Physics Letters A, Vol. 371 (2007) No 5-6, pp. 399-405.
2. R. Ruffini, C.L. Bianco, G.V. Vereshchagin, S.-S. Xue “Baryonic loading and e+e- rate equation in GRB sources” in Relativistic Astrophysics and Cosmology - Einstein’s Legacy, ESO Astrophysics Symposia, Springer, Berlin, 2008, pp. 402-406.
3. R. Ruffini, G.V. Vereshchagin and S.-S. Xue, “Electron-positron pairs in physics and astrophysics: from heavy nuclei to black holes” Physics Reports, Vol. 487 (2010) No 1-4, pp. 1-140.
4. A. Benedetti, R. Ruffini and G.V. Vereshchagin, “On the kinetic treatment of pair production in strong electric fields”, Il Nuovo Cimento C, Vol. 36, Issue 1, (2013) pp.15-19.

• Relativistic plasma kinetics
1. A.G. Aksenov, R. Ruffini and G.V. Vereshchagin, “Thermalization of nonequilibrium electron-positron-photon plasmas”, Physical Review Letters, Vol. 99 (2007) No 12, 125003.
2. A.G. Aksenov, R. Ruffini and G.V. Vereshchagin, “Thermalization of the mildly relativistic plasma”, Physical Review D, Vol. 79 (2009) 043008.
3. A.G. Aksenov, R. Ruffini and G.V. Vereshchagin, “Pair plasma relaxation time scales”, Physical Review E, Vol. 81 (2010) 046401.
4. M. A. Prakapenia, I. A. Siutsou, and G. V. Vereshchagin, “Numerical scheme for treatment of Uehling-Uhlenbeck equation for two-particle interactions in relativistic plasma”, Journal of Computational Physics, Volume 373 (2018), pp. 533-544.
5. M. A. Prakapenia, I. A. Siutsou and G. V. Vereshchagin, “Thermalization of electron-positron plasma with quantum degeneracy”, Physics Letters A 383 (2019) pp. 306-310.
6. M. A. Prakapenia and G. V. Vereshchagin, "Bose-Einstein condensation in relativistic plasma" EPL, 128 (2019) 50002.

• Photospheric emission from relativistic outflows
1. D. Begue, I. A. Siutsou, G. V. Vereshchagin, “Monte Carlo simulations of the photospheric emission in GRBs”, The Astrophysical Journal, Vol. 767, Issue 2 (2013) article id. 139.
2. R. Ruffini, I.A. Siutsou and G.V. Vereshchagin, “Theory of photospheric emission from relativistic outflows”, The Astrophysical Journal, Vol. 772, Issue 1 (2013) article id. 11.
3. A.G. Aksenov, R. Ruffini and G.V. Vereshchagin, “Comptonization of photons near the photosphere of relativistic outflows”, MNRAS Letters, Vol. 436, Issue 1 (2013) pp. L54-L58.
4. I.A. Siutsou, R. Ruffini and G.V. Vereshchagin, “Spreading of ultrarelativistically expanding shell: an application to GRBs”, New Astronomy, Vol. 27 (2014), pp. 30-33.
5. G.V. Vereshchagin, “Physics of non-dissipative ultrarelativistic photospheres”, International Journal of Modern Physics D Vol. 23, No. 1 (2014) 1430003.
6. I.A. Siutsou and G.V. Vereshchagin, “Relativistic spotlight”, Physics Letters B, Volume 730 (2014), pp. 190-192.
7. D. Begue and G.V. Vereshchagin, “Transparency of an instantaneously created electron-positron-photon plasma”, MNRAS, Vol. 439 (2014), pp. 924-928.

• Ultra high energy particles
1. R. Ruffini, G.V. Vereshchagin and S.-S. Xue, “Cosmic absorption of ultra high energy particles”, Astrophysics and Space Science, Vol. 361:82 (2016).
2. G. V. Vereshchagin, “Cosmic horizon for GeV sources and photon-photon scattering”, Astrophysics and Space Science, Vol. 363:29 (2018).

• Cosmology and physics of the early universe
1. P. Singh, K. Vandersloot and G.V. Vereshchagin, “Nonsingular bouncing universes in loop quantum cosmology”, Physical Review D, Vol. 74 (2006) 043510.
2. G.V. Vereshchagin, “Inflation and cycles in Loop Quantum Cosmology”, Il Nuovo Cimento B, Vol. 122 (2007) No 2, pp. 163-166.
3. Suzana Bedic and G. V. Vereshchagin, “Probability of inflation in Loop Quantum Cosmology”, Phys. Rev. D 99 (2019) 043512.
 
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