| Друго (научно-популярни и др. под.) |
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1
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G. Gyulchev, Polarized image of equatorial emission in horizonless spacetimes: naked singularities,
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2023
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2
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G. Gyulchev, Polarized image of equatorial emission in horizonless spacetimes I: traversable wormholes,
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2022
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| Книга |
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Галин Гюлчев, Стойчо Язаджиев, Гравитационни лещи, УИ "Св. Климент Охридски", София, Ref, Рецензирано
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2017
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| Монография |
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Галин Гюлчев, Стойчо Язаджиев, Гравитационни лещи, УИ Св. "Климент Охридски", София, Ref, Рецензирано
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2017
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| Научен проект |
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1
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Галин Гюлчев, "Национален форум за съвременни космически изследвания", Ръководител, СУ, Номер на договора:80-10-102/16.04.2020
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2020
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2
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Галин Гюлчев, "Ултракомпакни обекти в Айнщайновата и модифицираните теории на гравитациията и фотонни структури", Ръководител, МОН, Номер на договора:КП-06-РУСИЯ/13 от 11.12.2020 г.
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2020
|
|
3
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Галин Гюлчев, "Гравитационен лензинг на акреционни дискове"
, Член, СУ, Номер на договора:80-10-129/15.04.2019
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2019
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4
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Галин Гюлчев, „Астрофизични ограничения върху уравнението на състоянието на неутронната материя и ефекти, дължащи се на съвременни реалистични ядрени потенциали, включващи многонуклонни взаимодействия“, Член, МОН, Номер на договора:КП-06-ПН-38/12
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2019
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|
5
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Галин Гюлчев, „Сенки и релативистични изображения на акреционни дискове: нов поглед
върху свойствата на компактните обекти“
, Член, МОН, Номер на договора:КП–06–ПН–38/3
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2019
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6
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Галин Гюлчев, „Гравитационни вълни от осцилиращи неутрони звезди в модифицираните теории на гравитацията“, Член, COST , Номер на договора:ДКОСТ 01/6 от 19.10.2018
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2018
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7
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Галин Гюлчев, "Определяне статуса на растенията, култивирани в космическа оранжерия Свет-3, чрез анализ на термални изображения", Ръководител, СУ, Номер на договора:80-10-205/24.04.2017
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2017
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|
8
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Галин Гюлчев, "Приложение на технологиите за 3D принтиране в областта на общата и клинична анатомия", Член, СУ, Номер на договора:80-10-205/24.04.2017
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2017
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9
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Галин Гюлчев, "Изследване действието на йонизиращо лъчение върху процеса на изпускане на желязо от феритин", Член, СУ, Номер на договора:№ 57/08.05.2014г. ФНИ-СУ
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2014
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|
10
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Галин Гюлчев, „Изграждане на интердисциплинарни екипи от млади изследователи в областта на фундаменталните и приложни научни изследвания от значение за медицинската практика”, Член, EU, Номер на договора:BG051PO001-3.3.06-0040
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2013
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11
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Галин Гюлчев, „Структура и свойства на компактни обекти в релативистката астрофизика”, Член, MОН, Номер на договора:ДМУ03/6
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2011
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12
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Галин Гюлчев, "Математическо моделиране и компютърни симулации на решенията на обобщените уравнения на Айнщайн”, Член, СУ, Номер на договора:DO 02-257
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2009
|
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13
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Галин Гюлчев, "Компактни обекти и самогравитиращи системи” , Член, СУ, Номер на договора:N60/2008
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2008
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| Научно ръководство |
|
1
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Галин Гюлчев, "Гравитационни лещи", Физически факултет на СУ "Св. Климент Охридски" дипломна работа:Валентин Делийски
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2020
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|
2
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Галин Гюлчев, "Гравитационна аберация на купове от галактики. Тъмна материя", Физически факултет дипломна работа:Веселина Калинова
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2010
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| Редактор на издание реферирано |
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Галин Гюлчев, Гравитационни лещи, Редактор на издание реферирано
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2015
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| Статия в научно списание |
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1
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Valentin Deliyski, Galin Gyulchev, Petya Nedkova, Stoytcho Yazadjiev, Observing naked singularities by the present and next-generation Event Horizon Telescope, Physical Review D, 2024, ISSN (print):1550-7998, ISSN (online):2470-0029, doi: https://doi.org/10.48550/arXiv.2401.14092
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2024
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2
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Galin N. Gyulchev, Ayush Roy, Lucas G. Collodel, Petya G. Nedkova, Stoytcho S. Yazadjiev, Daniela D. Doneva, Shadows of rotating hairy Kerr black holes coupled to time periodic scalar fields with non-flat target space, Phys.Rev.D 109, 10, 104051, 2024, doi:https://doi.org/10.48550/arXiv.2402.08469, Ref, Web of Science, International, MSc
|
2024
|
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3
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Eugeny Babichev, Christos Charmousis, Daniela D. Doneva, Galin N. Gyulchev, Stoytcho S. Yazadjiev, Testing disformal non-circular deformation of Kerr black holes with LISA, Journal of Cosmology and Astroparticle Physics, vol:06, issue:065, 2024, pages:20-0, doi: https://doi.org/10.48550/arXiv.2403.16192, Ref, Web of Science, IF (2.739 - 2023), Web of Science Quartile: Q2 (2024), SCOPUS, SJR (0.93 - 2023), SCOPUS Quartile: Q2 (2024), International
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2024
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4
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Valentin Deliyski, Galin Gyulchev, Petya Nedkova, Stoytcho Yazadjiev, Polarized image of equatorial emission in horizonless spacetimes: naked singularities, PHYSICAL REVIEW D, vol:108, issue:104049, 2023, ISSN (print):1539-3755, ISSN (online):1550-2376, doi:https://doi.org/10.1103/PhysRevD.108.104049, Ref, Web of Science, IF (4.973 - 2022), Web of Science Quartile: Q1 (2023), SCOPUS, SJR (1.64 - 2022), SCOPUS Quartile: Q1 (2023), PhD
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2023
|
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5
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Valentin Deliyski, Galin Gyulchev, Petya Nedkova, Stoytcho Yazadjiev, Observational features of thin accretion disks around traversable wormholes, Journal of Physics: Conference Series, 2022, Ref, Web of Science, PhD
|
2022
|
|
6
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I. Bogush, D. Gal'tsov, G. Gyulchev, K. Kobialko, P. Nedkova, T. Vetsov, Photon surfaces, shadows and accretion disks in gravity with minimally coupled scalar field, Physical Review D, vol:106, issue:2, 2022, doi:doi:10.1103/PhysRevD.106.024034, Ref, Web of Science, IF ( - 2022), Web of Science Quartile: Q1 (2022), SCOPUS, SJR ( - 2022), SCOPUS Quartile: Q1 (2022), International
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2022
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|
7
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Valentin Deliyski, Galin Gyulchev, Petya Nedkova, Stoytcho Yazadjiev, Polarized image of equatorial emission in horizonless spacetimes: Traversable wormholes, Physical Review D, 2022, Ref, Web of Science, PhD
|
2022
|
|
8
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Valentin Deliyski, Galin Gyulchev, Petya Nedkova, Stoytcho Yazadjiev, Polarized image of equatorial emission in horizonless spacetimes: Traversable wormholes, Physical Review D, vol:106, issue:10, 2022, ISSN (print):0031-899X, ISSN (online):1536-6065, doi:https://doi.org/10.48550/arXiv.2206.09455, Ref, IF, IF (4.973 - 2022), Web of Science Quartile: Q1 (2022), PhD
|
2022
|
|
9
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Galin Gyulchev, Petya Nedkova, Tsvetan Vetsov, Stoytcho Yazadjiev, Image of the thin accretion disk around compact objects in the Einstein-Gauss-Bonnet gravity, Eur. Phys. J. C , vol:81, issue:10, 2021, doi:https://doi.org/10.1140/epjc/s10052-021-09624-5, Ref, Web of Science, IF (4.59 - 2020), Web of Science Quartile: Q1 (2021), SCOPUS, SJR (1.94 - 2020), SCOPUS Quartile: Q1 (2021)
|
2021
|
|
10
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Galin Gyulchev, Jutta Kunz, Petya Nedkova, Tsvetan Vetsov, Stoytcho Yazadjiev, Observational signatures of strongly naked singularities: image of the thin accretion disk, The European Physical Journal C, vol:80, 2020, doi:https://doi.org/10.1140/epjc/s10052-020-08575-7, Ref, Web of Science, IF (4.843 - 2018), Web of Science Quartile: Q1 (2020), SCOPUS, SJR (1.76 - 2019), SCOPUS Quartile: Q1 (2020), International
|
2020
|
|
11
|
Yordan Hodzhev, Ivan Maslarski, Galin Gyulchev, APPLICATION OF 3D PRINTING IN BIOLOGY AND MEDICINE EQUCATION., Педагогически алманах, issue:1, 2018, pages:55-59
|
2018
|
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12
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V. Kochev, L. Vladimirova-Mihaleva, At. Papucharov, G. Gyulchev, N. Atanasova-Gesheva, Effect of gamma radiation on the ferritin activity, Physica Medica: European Journal of Medical Physics, том:30, брой:1, 2014, стр.:121-0, doi:10.1016/j.ejmp.2014.07.348, Ref, Web of Science
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2014
|
|
13
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Galin N. Gyulchev, Ivan Zh. Stefanov, Gravitational Lensing by Phantom Black Holes, Physical Review D - Particles, Fields, Gravitation and Cosmology, том:6, брой:87, 2013, стр.:63005-0, doi:10.1103/PhysRevD.87.063005, Ref, Web of Science, IF (4.865 - 2013), SCOPUS, SJR (2.482 - 2013)
|
2013
|
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14
|
Galin Gyulchev, Gyulchev, Galin N., Stefanov, Ivan Zh, Gravitational lensing by phantom black holes, PHYSICAL REVIEW D, vol:87, issue:6, 2013, ISSN (print):1550-7998, ISSN (online):1550-2368, doi:10.1103/PhysRevD.87.063005
|
2013
|
|
15
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Stefanov, Ivan Zh, Gyulchev, Galin G., Galin Gyulchev, Quasiperiodic oscillations and Tomimatsu-Sato delta=2 space-time, PHYSICAL REVIEW D, vol:87, issue:8, 2013, ISSN (print):1550-7998, ISSN (online):1550-2368, doi:10.1103/PhysRevD.87.083005
|
2013
|
|
16
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Ivan Zh. Stefanov, Galin N. Gyulchev, Stoytcho S., Quasiperiodic oscillations and Tomimatsu-Sato δ = 2 space-time, Phys. Rev., том:D, брой:87, 2013, стр.:83005-0, doi:10.1103/PhysRevD.87.083005, Ref, Web of Science
|
2013
|
|
17
|
Galin N. Gyulchev, Stoytcho S. Yazadjiev, Analytical Kerr-Sen Dilaton-Axion Black Hole Lensing in the Weak Deflection Limit, Phys. Rev., том:D, 2010, стр.:23005-0, doi:10.1103/PhysRevD.81.023005, Ref, Web of Science
|
2010
|
|
18
|
Ivan Zh. Stefanov, Stoytcho S. Yazadjiev, Galin N. Gyulchev, Connection between black-hole quasinormal modes and lensing in the strong deflection limit, Phys. Rev. Lett., том:104, 2010, стр.:251103-0, doi:10.1103/PhysRevLett.104.251103, Ref, Web of Science
|
2010
|
|
19
|
Galin N. Gyulchev, Stoytcho S. Yazadjiev, Gravitational Lensing by Rotating Naked Singularities, Physical Review D - Particles, Fields, Gravitation and Cosmology, брой:78, 2008, стр.:83004-0, doi:10.1103/PhysRevD.78.083004, Ref, Web of Science, IF (5.05 - 2008), SCOPUS, SJR (2.92 - 2008)
|
2008
|
|
20
|
Galin N. Gyulchev, Stoytcho S. Yazadjiev, Kerr-Sen Dilaton-Axion Black Hole Lensing in the Strong Deflection Limit, Physical Review D - Particles, Fields, Gravitation and Cosmology, брой:75, 2007, стр.:23006-0, doi:10.1103/PhysRevD.75.023006, Ref, Web of Science, IF (4.696 - 2007), SCOPUS, SJR (2.593 - 2007)
|
2007
|
| Статия в поредица |
|
1
|
Galin Gyulchev, Jutta Kunz, Petya Nedkova, Tsvetan Vetsov, Stoytcho Yazadjiev, Observational signatures of strongly naked singularities: image of the thin accretion disk, The European Physical Journal C, issue:80, 2020, doi:https://doi.org/10.1140/epjc/s10052-020-08575-7, Ref, Web of Science, IF (4.843 - 2018), Web of Science Quartile: Q1 (2020), SCOPUS, SJR (1.76 - 2019), SCOPUS Quartile: Q1 (2020), (https://inspirehep.net/literature/1785665), International
|
2020
|
|
2
|
Kimet Jusufi, Ayan Banerjee, Galin Gyulchev, Muhammed Amir, Distinguishing rotating naked singularities from Kerr-like wormholes by their deflection angles of massive particles, The European Physical Journal C, брой:79, издателство:Springer Link, 2019, стр.:1-23, ISSN (print):1434-6044, ISSN (online):1434-6052, doi:10.1140/epjc/s10052-019-6557-2, Ref, Web of Science, SCOPUS Quartile: Q1 (PHYSICS, PARTICLES & FIELDS), в сътрудничество с чуждестранни учени
|
2019
|
|
3
|
Galin Gyulchev, Petya Nedkova, Tsvetan Vetsov, Stoytcho Yazadjiev, Image of the Janis-Newman-Winicour naked singularity with a thin accretion disk, Phys. Rev. D , issue:100, Publisher:American Physical Society, 2019, pages:1-13, doi:https://doi.org/10.1103/PhysRevD.100.024055, Ref, Web of Science, IF (4.368 - 2019), Web of Science Quartile: Q1 (2019), SCOPUS, SJR (1.703 - 2019), SCOPUS Quartile: Q1 (2019)
|
2019
|
|
4
|
Ali Övgün, Galin Gyulchev, Kimet Jusufi, Weak Gravitational lensing by phantom black holes and phantom wormholes using the Gauss-Bonnet theorem, Annals of Physics, брой:406, издателство:ScienceDirect, 2019, стр.:152-172, doi:https://doi.org/10.1016/j.aop.2019.04.007, Ref, Web of Science
|
2019
|
|
5
|
Galin Gyulchev, Petya Nedkova, Vassil Tinchev, Stoytcho Yazadjiev, On the shadow of rotating traversable wormholes, The European Physical Journal C, брой:78, издателство:SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA, 2018, стр.:1-19, ISSN (print):1434-6044, ISSN (online):1434-6052, doi:10.1140/epjc/s10052-018-6012-9, Ref, Web of Science, SCOPUS Quartile: Q1 (PHYSICS, PARTICLES & FIELDS)
|
2018
|
|
6
|
Tsvetan Vetsov, Galin Gyulchev, Stoytcho Yazadjiev, Shadows of Black Holes in Vector-Tensor Galileons Modified Gravity, Cornell University Libary, 2018
|
2018
|
| Статия в сборник (на конференция и др.) |
|
1
|
Galin N. Gyulchev, Lucas G. Collodel, Stoytcho S. Yazadjiev, Daniela D. Doneva, Petya G. Nedkova, Images of a thin accretion disk around Kerr Black Hole with synchronized scalar hair, Journal of Physics: Conference Series, 2025
|
2025
|
|
2
|
Galin N. Gyulchev, Ayush Roy, Lucas G. Collodel, Petya G. Nedkova, Stoytcho S. Yazadjiev, Daniela D. Doneva, Shadows of Kerr black holes with time dependent multiscalar hair, 17th Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation, and Relativistic Field Theories (MG17), 2025
|
2025
|
|
3
|
Galin Gyulchev, A relativistic appearance of hotspots on an ultra-compact dark star, Journal of Physics: Conference Series, 2024, ISSN (print):1742-6588, ISSN (online):1742-6596, doi:10.1088/1742-6596/2719/1/012008, Ref, Web of Science, IF (0.4 - 2022), Web of Science Quartile: Q4 (2024), SCOPUS, SJR (0.18 - 2022), SCOPUS Quartile: Q4 (2024)
|
2024
|
|
4
|
Galin Gyulchev, Observational features of hot spots on neutron stars with a photon sphere, J. Phys. Conf. Ser., 2022, pages:12005-12012, ISSN (print):1742-6588, ISSN (online):1742-6596, doi:10.1088/1742-6596/2255/1/012005, Ref, IF, IF (0.55 - 2021), Web of Science Quartile: Q4 (2022)
|
2022
|
|
5
|
V. Deliyski, G. Gyulchev, P. Nedkova, S. Yazadjiev, Observational features of thin accretion disks around traversable wormholes, J. Phys.: Conf. Ser., 2022, pages:12002-12008, ISSN (print):1742-6588, ISSN (online):1742-6596, doi:10.1088/1742-6596/2255/1/012002, Ref, Web of Science, IF (0.5 - 2021), Web of Science Quartile: Q4 (2022), SCOPUS, SJR (0.21 - 2021), PhD
|
2022
|
|
6
|
Gyulchev, Galin, Nedkova, Petya, Tinchev, Vassil, Galin Gyulchev, Cusp Structure in Shadows Casted by Rotating Wormholes, 10TH JUBILEE CONFERENCE OF THE BALKAN PHYSICAL UNION, vol:2075, 2019, ISSN (print):0094-243X, ISBN:978-0-7354-1803-5, doi:10.1063/1.5091165
|
2019
|
|
7
|
Iliana Ilieva, Galin Gyulchev, Genoveva Zlateva, Development of thermal and visual imaging system for monitoring plant growth and status in Svet-3 space greenhouse: requirements and camera selection, PROCEEDING SES 2017 – SPACE, ECOLOGY, SAFETY, 2017, стр.:130-133, ISSN (print):1313-3888, Ref
|
2017
|
|
8
|
Galin N. Gyulchev, Ivan Zh. Stefanov, Strong Gravitational Lensing by Phantom Black Holes, THE THIRTEENTH MARCEL GROSSMANN MEETING: On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, 2015, стр.:2091-2093, doi:https://www.worldscientific.com/doi/abs/10.1142/9789814623995_0365, Ref, Web of Science
|
2015
|
|
9
|
Kalinova, V., Galin Gyulchev, Gravitational Abberation of a Cluster of Galaxies: Dark Matter, 3RD SCHOOL AND WORKSHOP ON SPACE PLASMA PHYSICS, vol:1356, 2011, ISSN (print):0094-243X, ISBN:978-0-7354-0914-9, doi:10.1063/1.3598093
|
2011
|
|
10
|
Gyulchev, G. N., Galin Gyulchev, Gravitational Lensing by Kerr-Sen Dilaton-Axion Black Hole in the Weak Deflection Limit, APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES, vol:1301, 2010, pages:327-0, ISSN (print):0094-243X, ISBN:978-0-7354-0856-2
|
2010
|
|
11
|
Stefanov, I. Zh., Yazadjiev, S. S., Galin Gyulchev, Relation between the Parameters of a Gravitational Lens and the Frequencies of Black-hole Quasi-normal Modes, APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES, vol:1301, 2010, pages:355-0, ISSN (print):0094-243X, ISBN:978-0-7354-0856-2
|
2010
|
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12
|
Galin Gyulchev, Gyulchev, G., Yazadjiev, S., Gravitational lensing by rotating naked singularities in the equatorial plane, APPLICATIONS OF MATHEMATICS IN ENGINEERING AND ECONOMICS '33, vol:946, 2007, pages:106-0, ISSN (print):0094-243X, ISBN:978-0-7354-0460-1
|
2007
|
|
13
|
Galin Gyulchev, Gyulchev, Galin N., Yazadjiev, Stoytcho S., Strong gravitational lensing by Kerr-Sen dilaton-axion black hole, SIX INTERNATIONAL CONFERENCE OF THE BALKAN PHYSICAL UNION, vol:899, 2007, pages:145-0, ISSN (print):0094-243X, ISBN:978-0-7354-0404-5
|
2007
|
| Участие в конференция |
|
1
|
Постер, Галин Гюлчев, "Релативистка астрофизика на компактни масивни обекти"
|
2020
|
|
2
|
Секционен доклад, Galin Gyulchev, "Image Creation of a Thin Accretion Disk Around Janis–Newman Naked Singularity"
|
2019
|
|
3
|
Секционен доклад, Galin Gyulchev, "Image Creation of a Thin Accretion Disk Around Janis–Newman Naked Singularity"
|
2019
|
|
4
|
Секционен доклад, Galin Gyulchev, "Image Creation of a Thin Accretion Disk Around Janis–Newman Naked Singularity"
|
2019
|
|
5
|
Секционен доклад, Галин Гюлчев, "Релативистка астрофизика на компактни масивни обекти"
|
2018
|
|
6
|
Секционен доклад, Galin Gyulchev, "Cusp Structure in Shadows Cast by Rotating Wormholes"
|
2018
|
|
7
|
Секционен доклад, Ivan Maslarski, Yordan Hodzhev, Galin Gyulchev, "Aortic arch aneurysm represented by a 3D printing and simulation of fluid movement through it"
|
2017
|
|
8
|
Секционен доклад, Iliana Ilieva, Galin Gyulchev, Genoveva Zlateva, "Development of thermal and visual imaging system for monitoring plant growth and status in Svet-3 space greenhouse: requirements and camera selection"
|
2017
|
|
9
|
Секционен доклад, Йордан Ходжев, Иван Масларски, Галин Гюлчев, "Приложение на 3D принтирането в обучението по биология и медицината"
|
2017
|
|
10
|
Секционен доклад, Ivan Maslarski, Yordan Hodzhev, Galin Gyulchev, "Creating 3D Plastic Models of Safena Magna Vein System Using Angiographic and Tomographic Studies in Norm and Pathology"
|
2017
|
|
11
|
Секционен доклад, Galin N. Gyulchev, Gravitational Lensing by Kerr–Sen Dilaton-Axion Black Hole in the Weak Deflection Limit
|
2010
|
|
12
|
Секционен доклад, Galin N. Gyulchev, Gravitational Lensing by Rotating Naked Singularities in the Equatorial Plane
|
2007
|
|
13
|
Секционен доклад, Galin N. Gyulchev, Kerr-Like Naked Singularity Equatorial Lensing in the Strong Deflection Limit
|
2007
|
|
14
|
Секционен доклад, Galin N. Gyulchev, Gravitational Lensing by Rotating Naked Singularities in the Equatorial Plane
|
2007
|
|
15
|
Секционен доклад, Galin N. Gyulchev, Kerr-Sen dilaton-axion black hole equatorial lensing in the strong deflection limit
|
2006
|
|
16
|
Секционен доклад, Galin N. Gyulchev, Strong gravitational lensing by Kerr-Sen dilaton-axion black hole
|
2006
|
|