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Alexandr Kamenchtchik

Full Professor

Department of Physics and Astronomy "Augusto Righi"

Academic discipline: PHYS-02/A Theoretical Physics of Fundamental Interactions, Models, Mathematical Methods and Applications

Publications

Leonardo Chataignier; Alexander Yu. Kamenshchik; Alessandro Tronconi; Giovanni Venturi, Reconstruction methods and the amplification of the inflationary spectrum, «PHYSICAL REVIEW D», 2023, 107, Article number: 083506 , pp. 1 - 13 [Scientific article]Open Access

Leonardo Chataignier, Alexandr Kamenchtchik, Alessandro Tronconi, Giovanni Venturi, Reflected waves and quantum gravity, «PHYSICAL REVIEW D», 2023, 107, Article number: 026004 , pp. 1 - 13 [Scientific article]Open Access

Leonardo Chataignier, Alexandr Kamenchtchik, Alessandro Tronconi, Giovanni Venturi, Regular black holes, universes without singularities, and phantom-scalar field transitions, «PHYSICAL REVIEW D», 2023, 107, Article number: 023508 , pp. 1 - 10 [Scientific article]Open Access

Kamenshchik, AY; Starobinsky, AA; Vardanyan, T, Scalar fields in the de Sitter spacetime, «JOURNAL OF PHYSICS. CONFERENCE SERIES», 2023, 2531, Article number: 012007 , pp. 1 - 12 [Scientific article]Open Access

Kamenshchik, Alexander; Casadio, Roberto; Kuntz, Ibere, Tensions with cosmological singularities: Should we try to avoid their appearance?, «POS PROCEEDINGS OF SCIENCE», 2023, 436, Article number: 198 , pp. 1 - 9 [Scientific article]Open Access

Casadio, Roberto; Kamenshchik, Alexander; Kuntz, Iberê, Absence of covariant singularities in pure gravity, «INTERNATIONAL JOURNAL OF MODERN PHYSICS D», 2022, 31, Article number: 2150130 , pp. 1 - 19 [Scientific article]Open Access

L. Giani, O.F. Piattella, A. Kamenchtchik, Bianchi IX gravitational collapse of matter inhomogeneities, «JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS», 2022, 2022, Article number: 028 , pp. 0 - 16 [Scientific article]Open Access

Kuntz, Iberê; Casadio, Roberto; Kamenshchik, Alexander, Covariant singularities: A brief review, «MODERN PHYSICS LETTERS A», 2022, 37, Article number: 2230007 , pp. 1 - 11 [Scientific article]Open Access

Kamenchtchik, A.; Tronconi, A.; Venturi, G., DBI inflation and warped black holes, «JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS», 2022, 01, Article number: 051 , pp. 1 - 21 [Scientific article]Open Access

Vardanyan T.; Kamenshchik A.Y., Exact Solutions of the Einstein Equations for an Infinite Slab with Constant Energy Density, in: Einstein Equations: Local Energy, Self-Force, and Fields in General Relativity, Cham, Brikhauser, 2022, pp. 235 - 250 [Chapter or essay]

A.Y. Kamenchtchik, A.A. Starobinsky, T. Vardanyan, Massive scalar field in de Sitter spacetime: a two-loop calculation and a comparison with the stochastic approach, «THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS», 2022, 82, Article number: 345 , pp. 1 - 19 [Scientific article]Open Access

A.O. Barvinsky, A.Y. Kamenchtchik, Preferred Basis, Decoherence and the Quantum State of the Universe, in: Claus Kiefer, From Quantum to Classical, Fundamental Theories of Physics, Heidelberg, Springer, 2022, pp. 97 - 120 [Chapter or essay]

A. Kamenchtchik, A. Tronconi, G. Venturi, Born-Oppenheimer meets Wigner-Weyl in quantum gravity, «CLASSICAL AND QUANTUM GRAVITY», 2021, 38, Article number: 185006 , pp. 1 - 13 [Scientific article]

Casadio, Roberto; Kamenshchik, Alexander; Kuntz, Iberê, Covariant singularities in quantum field theory and quantum gravity, «NUCLEAR PHYSICS. B», 2021, 971, Article number: 115496 , pp. 1 - 30 [Scientific article]Open Access

A. Kamenchtchik, A. Tronconi, G. Venturi, The Born-Oppenheimer approach to quantum cosmology, «CLASSICAL AND QUANTUM GRAVITY», 2021, 38, Article number: 155011 , pp. 1 - 18 [Scientific article]

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