Zobrazeno 1 - 10
of 15
pro vyhledávání: '"D. N. Kobyakov"'
Autor:
D. N. Kobyakov
In this paper, an effective field theory for proton superconductor (SC) interacting with neutron superfluid (SF), both with scalar order parameters, is developed and applied to the surface energy (SE) of a magnetized SC body in neutron stars (NS). Es
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62640732e8786d71438c868e1d7297db
http://arxiv.org/abs/2208.02738
http://arxiv.org/abs/2208.02738
Publikováno v:
Pethick, C J, Zhang, Z-W & Kobyakov, D N 2020, ' Elastic properties of phases with nonspherical nuclei in dense matter ', Physical Review C, vol. 101, no. 5, 055802 . https://doi.org/10.1103/PhysRevC.101.055802
We consider the elastic constants of phases with nonspherical nuclei, so-called pasta phases, predicted to occur in the inner crust of a neutron star. First, we treat perfectly ordered phases and give numerical estimates for lasagna and spaghetti whe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fedcb076ec925e05cb1234faa2325d29
Autor:
D. N. Kobyakov, Christopher J. Pethick
The pasta phases predicted to occur near the inner boundary of the crust of a neutron star resemble liquid crystals, a smectic A in the case of sheet-like nuclei (lasagna) and the columnar phase in the case of rod-like nuclei (spaghetti). An importan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4392ea4e581d5907ed423514b2892d6
http://arxiv.org/abs/1803.06254
http://arxiv.org/abs/1803.06254
Autor:
D. N. Kobyakov
A mixture of superconducting and superfluid nuclear liquids of protons coupled to the ultrarelativistic electron gas, and neutrons is considered. In the magnetohydrodynamic (MHD) approximation, the energy-momentum (stress) tensor is derived, and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2fe873ebba6c2f1e27bb9bcdaafd715d
Autor:
Christopher J. Pethick, D. N. Kobyakov
Publikováno v:
Physical Review C. 94
Autor:
D. N. Kobyakov, Christopher J. Pethick
The interaction between nuclei in the inner crust of neutron stars consists of two contributions, the so-called "direct" interaction and an "induced" one due to density changes in the neutron fluid. For large nuclear separations $r$ the contributions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5435c8fde16ff6bcd4d19ef1f98c0e23
Autor:
D. N. Kobyakov, Christopher J. Pethick
We consider the hydrodynamics of the outer core of a neutron star under conditions when both neutrons and protons are superfluid. Starting from the equation of motion for the phases of the wave functions of the condensates of neutron pairs and proton
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f45b8a6de334f1e7f4616998d99a852d
http://arxiv.org/abs/1504.00570
http://arxiv.org/abs/1504.00570
Autor:
D. N. Kobyakov, Christopher J. Pethick
Elastic properties of the solid regions of neutron star crusts and white dwarfs play an important role in theories of stellar oscillations. Matter in compact stars is presumably polycrystalline and, since the elastic properties of single crystals of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b111af7199fccb86218f97bf344fe5f
Autor:
D. N. Kobyakov, Christopher J. Pethick
Publikováno v:
Physical review letters. 112(11)
In the standard picture of the crust of a neutron star, matter there is simple: a body-centered-cubic (bcc) lattice of nuclei immersed in an essentially uniform electron gas. We show that at densities above that for neutron drip ($\sim4\times10^11$)
Autor:
Christopher J. Pethick, D. N. Kobyakov
We present calculations of the hydrodynamics of the inner crust of neutron stars, where a superfluid neutron liquid coexists with a lattice of neutron-rich nuclei. The long-wavelength collective oscillations are combinations of phonons in the lattice
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b29d61e67f7e48488b2b643c156e888
http://arxiv.org/abs/1303.1315
http://arxiv.org/abs/1303.1315