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1.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Krasnov I. V.
Заглавие : Three-dimensional rectification of a gradient force in a strong nonmonochromatic field
Место публикации : J. Exp. Theor. Phys.: AMER INST PHYSICS, 2004. - Vol. 98, Is. 5. - P888-895. - ISSN 1063-7761, DOI 10.1134/1.1767555
Примечания : Cited References: 27
Предметные рубрики: STANDING LIGHT-WAVE
RADIATIVE FORCE
ATOMIC MOTION
Ключевые слова (''Своб.индексиров.''): alkaline earth metals--ground state--isotopes--optics--dichromatic fields--gradient force--nonmonochromatic field--optical manipulation--atomic physics
Аннотация: A new three-dimensional scheme for rectifying a gradient force is proposed and analyzed. The scheme is based on the use of a strong, partially coherent optical field involving a component with a fluctuating phase. It is shown that the rectification of a gradient force acting on atoms with a nondegenerate ground state is a second-order effect with respect to field strength in this scheme, whereas an analogous effect is third-order in coherent bichromatic fields. Conditions for three-dimensional confinement of atoms are obtained by using the velocity dependence of the rectified radiative force. For a large class of atoms, such as even-even isotopes of ytterbium and alkaline-earth elements, these conditions can be implemented at a relatively high effective temperature (of the particle ensemble) of about 10 K. This finding can be used to widen substantially the range of energies of atoms amenable to effective three-dimensional optical manipulation. (C) 2004 MAIK "Nauka/Interperiodica".
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Krasnov I. V., Polyutov S. P.
Заглавие : Confinement of atoms with nondegenerate ground states in a three-dimensional dissipative optical superlattice
Разночтения заглавия :авие SCOPUS: Confinement of Atoms with Nondegenerate Ground States in a Three-Dimensional Dissipative Optical Superlattice
Место публикации : JETP Letters. - 2002. - Vol. 76, Is. 5. - P.270-274. - ISSN 0021-3640, DOI 10.1134/1.1520619
Примечания : Cited References: 15
Предметные рубрики: RADIATION-PRESSURE
FORCE
Аннотация: Based on the developed kinetic theory of rectified radiative forces, we found sufficient conditions for purely optical (nonmagnetic) three-dimensional confinement and cooling of atoms with the J = 0 -- J = 1 quantum transition in a weak field of mutually orthogonal bichromatic standing waves. We show that a deep stable atom localization of atoms in the cells of an effective light superlattice (with a spacing much larger than the light wavelength) can be achieved by controlling the phase shifts (time-difference phase) of the temporal oscillations in orthogonally polarized field components and by specially choosing the field parameters. The proposed scheme of purely optical confinement can be directly used for a large group of atoms like Yb isotopes and alkali-earth elements with even-even nuclei. (C) 2002 MAIK "Nauka / Interperiodica".
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3.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gavrilyuk A. P., Krasnov I. V., Shaparev N. Y.
Заглавие : Laser cooling of recombining electron-ion plasma
Место публикации : JETP Letters. - 2002. - Vol. 76, Is. 7. - P.423-427. - ISSN 0021-3640, DOI 10.1134/1.1528694
Примечания : Cited References: 28
Предметные рубрики: ULTRACOLD PLASMA
TRAP
Аннотация: A method of producing and confining ultracold electron-ion plasma with a strongly nonideal ion subsystem is considered. The method is based on the laser cooling of plasma ions by the radiation resonant with the ion quantum transition. A model is developed for the laser cooling of recombining plasma. Computer simulation based on this model showed that the ion nonideality parameter can be as large as similar to100. The data obtained demonstrate that the production of ultracold nonideal plasma is quite possible. (C) 2002 MAIK "Nauka / Interperiodica".
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4.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gavrilyuk S. A., Krasnov I. V., Polyutov S. P.
Заглавие : Three-dimensional interference effects in the mechanical action of weak biharmonic fields upon particles with the J=0 - J=1 quantum transition
Место публикации : J. Exp. Theor. Phys.: AMER INST PHYSICS, 2001. - Vol. 93, Is. 5. - P985-997. - ISSN 1063-7761, DOI 10.1134/1.1427110
Примечания : Cited References: 29
Предметные рубрики: ATOM TRAP
FORCE
PRESSURE
PLASMA
WAVES
Аннотация: Explicit expressions are derived for the rectified radiative forces (RRFs) related to the action of a weak interfering optical field of an arbitrary three-dimensional (3D) configuration upon resonance particles featuring the J = 0 -- J = 1 quantum transition. It is shown that, in contrast to the case of a monochromatic field, there are simple 3D biharmonic field configurations for which the ratio of the vortex and potential RRF components can be controlled by adjusting frequencies and polarizations of the interfering light waves. This modification of the RRF structure gives rise to qualitatively different types of both vortex and potential light-induced particle motions that may lead to a 3D spatial localization (confinement) of these particles within the cells of an effective optical lattice with a period significantly greater than the light wavelength. In particular, the particles may perform a stable rotational motion along closed trajectories inside the elementary cells. (C) 2001 MAIK "Nauka/Interperiodica".
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5.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gavrilyuk A. P., Krasnov I. V., Shaparev N. Y.
Заглавие : Laser control of the state of a plasma in a selective optical trap
Место публикации : Tech. Phys. Lett.: AMER INST PHYSICS, 1997. - Vol. 23, Is. 1. - P61-62. - ISSN 1063-7850, DOI 10.1134/1.1261618
Примечания : Cited References: 8
Аннотация: Laser cooling of resonant ions is shown to be applicable to the effective control of the temperature of charged particles in a low-temperature electron-ion plasma confined in a magnetic trap. (C) 1997 American Institute of Physics. [S1063-7850(97)02001-6].
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6.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : KAZANTSEV A. P., KRASNOV I. V.
Заглавие : DEEP POTENTIAL WELLS AND ROTATION OF ATOMS IN A LIGHT-FIELD
Место публикации : Phys. Lett. A: ELSEVIER SCIENCE BV, 1988. - Vol. 127, Is. 1. - P33-36. - ISSN 0375-9601, DOI 10.1016/0375-9601(88)90960-7
Примечания : Cited References: 15
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7.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gavrilyuk A. P., Krasnov I. V., Shaparev N. Y.
Заглавие : Optical confinement of low-temperature plasma with resonant ions
Место публикации : JETP Letters. - 1996. - Vol. 63, Is. 5. - P.324-330. - ISSN 0021-3640, DOI 10.1134/1.567025
Примечания : Cited References: 10
Аннотация: Applications of the rectification of a gradient force in interfering bichromatic fields produced by intersecting laser beams for selective optical confinement of low-temperature electron-ion plasma with resonant ions are examined. (C) 1996 American Institute of Physics.
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8.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gavriliuk A. P., Isaev I. L., Karpov S. V., Krasnov I. V., Shaparev N. Y.
Заглавие : Brownian dynamic of laser cooling and crystallization of electron-ion plasma
Место публикации : Phys. Rev. E. - 2009. - Vol. 80, Is. 5. - Ст.56404. - ISSN 1539-3755, DOI 10.1103/PhysRevE.80.056404
Примечания : Cited References: 29
Предметные рубрики: ULTRACOLD NEUTRAL PLASMAS
OPTICAL MOLASSES
LIQUIDS
ATOMS
TRAP
Ключевые слова (''Своб.индексиров.''): brownian motion--laser cooling--plasma collision processes--plasma light propagation--plasma nonlinear processes--plasma simulation--plasma transport processes--brownian dynamics--brownian dynamics simulations--electron ion plasma--electron subsystem--friction force--ionic structure--nonlinear dependence--plasma cooling--brownian movement--crystallization--ions--laser cooling--lasers--cooling
Аннотация: Laser cooling and crystallization of electron-ion plasma is studied using the Brownian dynamics simulation technique and taking into consideration the interaction of ions with the electron subsystem. It has been shown that the nonlinear dependence of laser friction force on the velocity of ions has to be taken into account in order to simulate in an adequate manner the cooling dynamics and obtain a correct estimate for minimum temperatures. It has been found that times required for formation of an ordered ionic structure can be much longer than the typical plasma cooling time.
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9.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Krasnov I. V.
Заглавие : All-optical confinement of ultracold plasma with resonant ions
Место публикации : Phys. Lett. A: ELSEVIER SCIENCE BV, 2009. - Vol. 373, Is. 26. - P2291-2297. - ISSN 0375-9601, DOI 10.1016/j.physleta.2009.04.042
Примечания : Cited References: 40
Предметные рубрики: RADIATION-PRESSURE
NEUTRAL PLASMAS
POTENTIAL WELLS
ATOMIC MOTION
LIGHT-FIELD
FORCE
SUPERLATTICE
RECTIFICATION
WAVE
Ключевые слова (''Своб.индексиров.''): laser cooling and trapping--ultracold neutral plasma--rectified radiation forces--laser cooling and trapping--rectified radiation forces--ultracold neutral plasma
Аннотация: The solution of the problem of all-optical (nonmagnetic) confinement of ultracold electron-ion neutral plasma based on selective action on plasma ions with quantum transition J = 1 - J = 0 of so-called rectified radiation forces in a strong nonmonochromatic light field is suggested. The presented scheme of the three-dimensional dissipative optical trap for plasma allows one to obtain long-lived ultracold plasma with controlled characteristics. The lifetime of the ultracold plasma in such a trap may exceed considerably (by orders of magnitude) the time of free plasma expansion and the lifetime in the (earlier proposed) optical molasses for the ultracold plasma. (C) 2009 Elsevier B.V. All rights reserved.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : KRASNOV I. V.
Заглавие : STRAIGHTENING EFFECT OF RADIATION POWER AND LIGHT-INDUCED PHENOMENA OF TRANSFER IN RESONANCE GASES
Место публикации : Zhurnal Eksperimentalnoi Teor. Fiz.: MEZHDUNARODNAYA KNIGA, 1995. - Vol. 107, Is. 4. - P1135-1152. - ISSN 0044-4510
Примечания : Cited References: 18
Предметные рубрики: FORCE
ATOMS
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