Ֆիզիկայի ֆակուլտետ
Faculty of Physics
The process of training specialists in the field of physics and mathematics began in 1922 in YSU.:
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Tigran A. Petrosyan

Junior Researcher | Academician Gourgen Sahakyan's Chair of Theoretical Physics
Education
2013 – 2017, Yerevan State University, Department of Physics, Bachelor
2017 – 2019, Yerevan State University, Department of Physics, Masters
2019 – 2022, Yerevan State University, Department of Physics, PhD

Professional experience
2021 – Present, Junior Researcher, YSU, Research Institute of Physics, Laboratory of Theoretical Physics, Yerevan, Armenia
2022 – Present, Junior Researcher, Institute of Applied Problems of Physics NAS RA, Yerevan, Armenia
2018 – 2022, Senior Laboratory Assistant, Institute of Applied Problems of Physics NAS RA, Yerevan, Armenia
2018 – 2020, Engineer, “LT-Pyrkal” CJSC, Yerevan, Armenia

Academic courses
Theoretical Mechanics and Field Theory
Quantum Mechanics

Scale of professional interests
Cosmology
Quantum Field Theory in Curved Spacetime

Participation in grant projects
2020 – 2022, Ministry of Education, Science, Culture and Sport RA, Science Committee, Support Program for Young Postgraduate and PhD Students – 2020
2020, Enterprise Incubator Foundation & PMI Science, Faculty Research Funding Program 2020

Languages
Armenian, English, Russian

E-mail
tigran.petrosyan@ysu.am

Latest Publications (12)
T.A. Petrosyan , A.A. Saharian, V.S. Torosyan
Mean field squared and energy–momentum tensor for the hyperbolic vacuum in dS spacetime
2022 | Article
Annals of Physics 437, 168728, (2022)
T. Petrosyan , A. Saharian , A. Hovhannisyan
Casimir Effect for Fermion Condensate in Conical Rings
2021 | Article
Universe, 7, 73, (2021)
Casimir densities induced by a sphere in the hyperbolic vacuum of de Sitter spacetime
2021 | Article
Physical Review D 104, 065017, (2021)
Fermionic condensate in de Sitter spacetime
2021 | Article
Astrophysics 64 (4), 529, (2021)
Polarization of the conformal vacuum in the Milne universe
2021 | Article
Armenian Journal of Physics 4, 180-190, (2021)
L.Sh. Grigoryan, A.A. Saharian , A.H. Mkrtchyan, H.F. Khachatryan, M.L. Grigoryan, T.A. Petrosyan , H.P. Harutyunyan
Angular Distribution of Intensive Radiation from a Charge Rotating Around a Conductive Ball
2020 | Article
Armenian Journal of Physics 13, 105-113 (2020)
A.A. Saharian , T.A. Petrosyan , S.S. Chitchyan, A.Kh. Grigoryan
Scalar Field Modes in de Sitter Spacetime with Negative Curvature Spatial Foliation
2020 | Article
Armenian Journal of Physics 13, 316-329 (2020)
L.Sh. Grigoryan, A.A. Saharian , H.F. Khachatryan, M.L. Grigoryan, A.V. Sargsyan, T.A. Petrosyan
Angular distribution of high power radiation from a charge rotating around a dielectric ball
2020 | Article
JINST 15, C04035 (2020)
The Casimir densities for a sphere in the Milne Universe
2020 | Article
Symmetry, 12, 619, (2020)
Vacuum fluxes from a brane in de Sitter spacetime with compact dimensions
2019 | Article
Armenian Journal of Physics, 2019, 12(1), 51-61 էջ
Boundary induced quantum effects in linearly expanding cosmological models
2019 | Article
Collection of scientific articles of YSU SSS 1.1 (27), 231-243, (2019)
T.A. Petrosyan , A.A. Saharian , S.V. Abajyan, B.B. Nersisyan
Scalar Casimir effect in a linearly expanding universe
2018 | Article
International Journal of Geometric Methods in Modern Physics, 15 (10), 1850177-1 - 1850177-26, (2018)