Zobrazeno 1 - 10
of 95
pro vyhledávání: '"Petrik, K"'
The exchange part of energy density of the linear Dirac--Hartree--Fock (DHF) model in symmetric nuclear matter is evaluated in a parameter--free closed form and expressed as density functional. After the rearranging terms the relativistic mean-field
Externí odkaz:
http://arxiv.org/abs/2104.12246
We present a review of the results of long-term photometric monitoring of selected magnetic cataclysmic binary systems, which belong to a class named "Intermediate polars". We found a spin period variability in the V2306 Cygni system. We confirm the
Externí odkaz:
http://arxiv.org/abs/1912.06183
Magnetic cataclysmic variables are close binaries which consist of a compact object - a white dwarf - and a red dwarf filling its Roche Lobe. Such systems are physical laboratories which enable study of the influence of magnetic fields on matter flow
Externí odkaz:
http://arxiv.org/abs/1907.10445
Autor:
Petrík, K., Kortelainen, M.
Publikováno v:
Phys. Rev. C 97, 034321 (2018)
Spontaneous breaking of continuous symmetries of a nuclear many-body system results in appearance of zero-energy restoration modes. Such modes introduce a non-physical contributions to the physical excitations called spurious Nambu-Goldstone modes. S
Externí odkaz:
http://arxiv.org/abs/1709.08534
Autor:
Andronov, Ivan L., Andrych, K. D., Antoniuk, K. A., Baklanov, A. V., Beringer, P., Breus, V. V., Burwitz, V., Chinarova, L. L., Chochol, D., Cook, L. M., Cook, M., Dubovský, P., Godłowski, W., Hegedüs, T., Hoňková, K., Hric, L., Jeon, Young-Beom, Juryšek, J., Kim, Chun-Hwey, Kim, Yonggi, Kim, Young-Hee, Kolesnikov, S. V., Kudashkina, L. S., Kusakin, A. V., Marsakova, V. I., Mason, P. A., Mašek, M., Mishevskiy, N., Nelson, R. H., Oksanen, A., Parimucha, S., Park, Ji-Won, Petrík, K., Quiñones, C., Reinsch, K., Robertson, J. W., Sergey, I. M., Szpanko, M., Tkachenko, M. G., Tkachuk, L. G., Traulsen, I., Tremko, J., Tsehmeystrenko, V. S., Yoon, Joh-Na, Zoła, S., Shakhovskoy, N. M.
The types of instability in the interacting binary stars are reviewed. The project "Inter-Longitude Astronomy" is a series of smaller projects on concrete stars or groups of stars. It has no special funds, and is supported from resources and grants o
Externí odkaz:
http://arxiv.org/abs/1702.02011
Autor:
Venhart, M., Wood, J. L., Boston, A. J., Cocolios, T. E., Harkness-Brennan, L. J., Herzberg, R. -D., Joss, D. T., Judson, D. S., Kliman, J., Matousek, V., Motycak, S., Page, R. D., Patel, A., Petrik, K., Sedlak, M., Veselsky, M.
A new technique of elucidating $\beta$-decay schemes of isotopes with large density of states at low excitation energies has been developed, in which a Broad Energy Germanium (BEGe) detector is used in conjunction with coaxial hyper-pure germanium de
Externí odkaz:
http://arxiv.org/abs/1606.02846
Akademický článek
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Akademický článek
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Autor:
Breus, V. V., Andronov, I. L., Dubovsky, P., Kolesnikov, S. V., Zhuzhulina, E. A., Hegedus, T., Beringer, P., Petrik, K., Robertson, J. W., Ryabov, A. V., Kudzej, I., Shakhovskoy, N. M.
Publikováno v:
J. Phys. Stud. 17 (2013), 3902
We present the results of photometric CCD observations of the magnetic cataclysmic variable V405 Aurigae (RX J0558.0+5353 = 1RXS J055800.7+535358) obtained using different instruments. We analysed variability of the spin period of the white dwarf in
Externí odkaz:
http://arxiv.org/abs/1306.4665
Autor:
Venhart, M., Wood, J.L., Boston, A.J., Cocolios, T.E., Harkness-Brennan, L.J., Herzberg, R.-D., Joss, D.T., Judson, D.S., Kliman, J., Matoušek, V., Motyčák, Š., Page, R.D., Patel, A., Petrík, K., Sedlák, M., Veselský, M.
Publikováno v:
In Nuclear Inst. and Methods in Physics Research, A 21 March 2017 849:112-118
