Slowly rotating topological neutron stars: universal relations and epicyclic frequencies

Autor: Daniela D. Doneva, V. I. Danchev, Stoytcho S. Yazadjiev

Publikováno v: European Physical Journal C: Particles and Fields, Vol 80, Iss 9, Pp 1-12 (2020)
European Physical Journal

In the modern era of abundant X-ray detections and the increasing momentum of gravitational waves astronomy, tests of General Relativity in strong field regime become increasingly feasible and their importance for probing gravity cannot be understate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fed3c10485d6da0f73a73621a0b53d07
http://link.springer.com/article/10.1140/epjc/s10052-020-08473-y

Constraining the equation of state in modified gravity via universal relations

Autor: Daniela D. Doneva, V. I. Danchev

Modern multi-messenger astronomical observations and heavy ion experiments provide new insights into the structure of compact objects. Nevertheless, much ambiguity remains when it comes to super dense matter above the nuclear saturation density such

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f510f9c01d003fc7b9d1810ab226698

Computer simulation of an electronic device for generation of electric oscillations by supercooled in electric field superconductors

Autor: Albert M. Varonov, V. I. Danchev, Ioulia Chikina, Todor M. Mishonov

Publikováno v: Physica Scripta
Physica Scripta, 2019, 94 (10), pp.105815. ⟨10.1088/1402-4896/ab157b⟩
Physica Scripta, IOP Publishing, 2019, 94 (10), pp.105815. ⟨10.1088/1402-4896/ab157b⟩

International audience; We present computer simulations of the work of an electronic device for generation of electric oscillation by negative differential conductivity of a superconductor supercooled below the critical temperature. The superconducto

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2f266bbd6f0a04f7049f5de488c6f9d
https://cea.hal.science/cea-02266282

Educational experiment for electron charge qe measurement via Schottky noise

Autor: Vassil N. Gourev, Aleksander P. Petkov, V. I. Danchev, Iliyana Dimitrova, Todor M. Mishonov, N. Zh. Mihaylova, A. A. Stefanov, A. M. Varonov, E. G. Petkov

Publikováno v: AIP Conference Proceedings.

A simple experiment for the electron charge qe measurement is described. The experimental set-up contains standard electronic equipment only and with 137$ budget can be built in every high-school lab all around the world. It is concluded that it is t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6c12fe937bb6718451fb2ce43aa6ced2
https://doi.org/10.1063/1.5091405

EnduroSat one - The first Bulgarian CubeSat mission

Autor: I. Ivanov, A. Kolev, V. I. Danchev, I. Nedelev

Publikováno v: AIP Conference Proceedings.

The first Bulgarian CubeSat mission - EnduroSat One was launched on the 21st of May. The satellite is part of a radio amateur mission which aims to popularize space-related activities in the country by involving anyone interested (primarily radio ama

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::195d00fd27280e741d2652b0e412524a
https://doi.org/10.1063/1.5091337