Персона: Мороз, Анна Николаевна
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Институт лазерных и плазменных технологий
Стратегическая цель Института ЛаПлаз – стать ведущей научной школой и ядром развития инноваций по лазерным, плазменным, радиационным и ускорительным технологиям, с уникальными образовательными программами, востребованными на российском и мировом рынке образовательных услуг.
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- ПубликацияОткрытый доступInfluence of antidots on the critical current density of HTSC in a magnetic field(2019) Moroz, A. N.; Maksimova, A. N.; Kashurnikov, V. A.; Rudnev, I. А.; Мороз, Анна Николаевна; Максимова, Анастасия Николаевна; Кашурников, Владимир Анатольевич; Руднев, Игорь Анатольевич© Published under licence by IOP Publishing Ltd.By using the Monte Carlo method, a numerical study has been conducted to calculate the current-voltage characteristics of a high-temperature superconductor with intrinsic pinning sites and the additional ones in the form of antidots in different magnetic fields. Varioustypes of antidot distribution among the sample such as a random distribution, triangular and square lattice and their conformal transformations, have been considered. Descending critical current density dependencies on the magnetic field for different samples have been acquired. Averaged vortex configurations of samples for different antidot distributions at the same magnetic field and transport current have been acquired. The most effective antidot distribution has been determined.
- ПубликацияОткрытый доступDynamics of a vortex system in a layered higherature superconductor under a pulsed current impact(2019) Rudnev, I. A.; Maksimova, A. N.; Moroz, A. N.; Kashurnikov, V. A.; Руднев, Игорь Анатольевич; Максимова, Анастасия Николаевна; Мороз, Анна Николаевна; Кашурников, Владимир Анатольевич© 2019 Published under licence by IOP Publishing Ltd.By using the Monte Carlo method, electric field relaxation has been numerically studied in a 2D layered HTS with defects. Time dependences of the electric field strength inside the sample for an instantaneous rise of electric current have been calculated for different temperatures. The influence of temperature on the shape of such dependences has been demonstrated. The impact of a rectangular current pulse on the vortex system has been studied. The value of the response field strength and its dependence on the amplitude and duration of the pulse have been calculated as well as the impact of pulse duration on the shape of the response.
- ПубликацияТолько метаданныеVortex System Dynamics upon Pulsed Magnetization of a HTS(2019) Moroz, A. N.; Maksimova, A. N.; Kashurnikov, V. A.; Rudnev, I. A.; Мороз, Анна Николаевна; Максимова, Анастасия Николаевна; Кашурников, Владимир Анатольевич; Руднев, Игорь Анатольевич© 2019, Pleiades Publishing, Ltd.A numerical investigation of the response of a HTS with different numbers of defects to the action of rectangular magnetic field pulses with a varying amplitude is carried out. The time dependences of a magnetic field trapped by the superconductor are calculated at different pulse parameters. The values of the HTS response to pulsed and gradual magnetization and demagnetization of the sample are compared, which reveals that magnetic flux trapping is more efficient under the action of pulses. A feature in the behavior of the vortex lattice acted on by field pulses is established, which relates to correlation between the number of defects and pulse amplitude. Flux trapping is shown to have a maximum dependent on the concentration of defects at each pulse amplitude.
- ПубликацияТолько метаданныеТранспортные и магнитные характеристики слоистых ВТСП с точечными дефектами с учётом деформаций(2017) Мороз, А. Н.; Мороз, Анна Николаевна; Кашурников Владимир Анатольевич
- ПубликацияТолько метаданныеМоделирование двумерных вихревых структур в слоистых сверхпроводниках второго рода(2015) Мороз, А. Н.; Мороз, Анна Николаевна; Кашурников Владимир Анатольевич