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Общее количество найденных документов : 15
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 1-10    11-15 
1.


    TSIFRINOVICH, V. I.
    NUCLEAR MAGNETIZATION MOTION UNDER CONDITIONS OF MICROSCOPIC INHOMOGENEITY OF THE HYPERFINE FIELD / V. I. TSIFRINOVICH, I. V. KRASNOV // Zhurnal Eksperimentalnoi Teor. Fiz. - 1980. - Vol. 78, Is. 5. - P. 1760-1766. - Cited References: 12 . - ISSN 0044-4510
РУБ Physics, Multidisciplinary


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KRASNOV, I. V.
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2.


    KRASNOV, I. V.
    TRANSLATIONAL NON-EQUILIBRIUM OF A GAS IN A RESONANCE OPTICAL-FIELD / I. V. KRASNOV, N. Y. SHAPAREV // Zhurnal Eksperimentalnoi Teor. Fiz. - 1980. - Vol. 79, Is. 2. - P. 391-394. - Cited References: 7 . - ISSN 0044-4510
РУБ Physics, Multidisciplinary


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Доп.точки доступа:
SHAPAREV, N. Y.
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3.


    Krasnov, I. V.
    Three-dimensional rectification of a gradient force in a strong nonmonochromatic field / I. V. Krasnov // J. Exp. Theor. Phys. - 2004. - Vol. 98, Is. 5. - P. 888-895, DOI 10.1134/1.1767555. - Cited References: 27 . - ISSN 1063-7761
РУБ Physics, Multidisciplinary
Рубрики:
STANDING LIGHT-WAVE
   RADIATIVE FORCE
   ATOMIC MOTION
Кл.слова (ненормированные):
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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Держатели документа:
Russian Acad Sci, Siberian Div, Inst Computat Modeling, Krasnoyarsk 660036, Russia
ИВМ СО РАН
Institute of Computational Modeling, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
}
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4.


    Krasnov, I. V.
    Superaccurate monokinetization of stationary ion-beams / I. V. Krasnov, D. V. Sizykh // Zhurnal Tek. Fiz. - 1991. - Vol. 61, Is. 7. - P. 194-196. - Cited References: 4 . - ISSN 0044-4642
РУБ Physics, Applied


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Доп.точки доступа:
Sizykh, D. V.
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5.


    KRASNOV, I. V.
    STRAIGHTENING EFFECT OF RADIATION POWER AND LIGHT-INDUCED PHENOMENA OF TRANSFER IN RESONANCE GASES / I. V. KRASNOV // Zhurnal Eksperimentalnoi Teor. Fiz. - 1995. - Vol. 107, Is. 4. - P. 1135-1152. - Cited References: 18 . - ISSN 0044-4510
РУБ Physics, Multidisciplinary
Рубрики:
FORCE
   ATOMS

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6.


    KRASNOV, I. V.
    PHOTOINDUCED ION-SONIC INSTABILITY OF A DISPERSED PLASMA / I. V. KRASNOV, D. V. SIZYKH // Zhurnal Tek. Fiz. - 1987. - Vol. 57, Is. 9. - P. 1854-1856. - Cited References: 6 . - ISSN 0044-4642
РУБ Physics, Applied


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Доп.точки доступа:
SIZYKH, D. V.
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7.


    Krasnov, I. V.
    Confinement of atoms with nondegenerate ground states in a three-dimensional dissipative optical superlattice / I. V. Krasnov, S. P. Polyutov // JETP Letters. - 2002. - Vol. 76, Is. 5. - P. 270-274, DOI 10.1134/1.1520619. - Cited References: 15 . - ISSN 0021-3640
РУБ Physics, Multidisciplinary
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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Держатели документа:
Russian Acad Sci, Inst Computat Modeling, Siberian Div, Krasnoyarsk 660036, Russia
ИВМ СО РАН
Institute for Computational Modeling, Russian Academy of Sciences, Siberian Division, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Polyutov, S. P.
}
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8.


    Krasnov, I. V.
    All-optical confinement of ultracold plasma with resonant ions / I. V. Krasnov // Phys. Lett. A. - 2009. - Vol. 373, Is. 26. - P. 2291-2297, DOI 10.1016/j.physleta.2009.04.042. - Cited References: 40 . - ISSN 0375-9601
РУБ Physics, Multidisciplinary
Рубрики:
RADIATION-PRESSURE
   NEUTRAL PLASMAS
   POTENTIAL WELLS
   ATOMIC MOTION
   LIGHT-FIELD
   FORCE
   SUPERLATTICE
   RECTIFICATION
   WAVE
Кл.слова (ненормированные):
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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Держатели документа:
Russian Acad Sci, Inst Computat Modeling, Siberian Div, Krasnoyarsk 660036, Russia
ИВМ СО РАН
Institute of Computational Modeling, Siberian Division, Russian Academy of Sciences, 660036 Krasnoyarsk, Russian Federation
}
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9.


    KAZANTSEV, A. P.
    DEEP POTENTIAL WELLS AND ROTATION OF ATOMS IN A LIGHT-FIELD / A. P. KAZANTSEV, I. V. KRASNOV // Phys. Lett. A. - 1988. - Vol. 127, Is. 1. - P. 33-36, DOI 10.1016/0375-9601(88)90960-7. - Cited References: 15 . - ISSN 0375-9601
РУБ Physics, Multidisciplinary


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Держатели документа:
ACAD SCI USSR,CTR COMP,KRASNOYARSK,USSR
ИВМ СО РАН
Доп.точки доступа:
KRASNOV, I. V.
}
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10.


    Gavrilyuk, S. A.
    Three-dimensional interference effects in the mechanical action of weak biharmonic fields upon particles with the J=0 - J=1 quantum transition / S. A. Gavrilyuk, I. V. Krasnov, S. P. Polyutov // J. Exp. Theor. Phys. - 2001. - Vol. 93, Is. 5. - P. 985-997, DOI 10.1134/1.1427110. - Cited References: 29 . - ISSN 1063-7761
РУБ Physics, Multidisciplinary
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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Держатели документа:
Russian Acad Sci, Inst Computat Modeling, Siberian Div, Krasnoyarsk 660036, Russia
ИВМ СО РАН

Доп.точки доступа:
Krasnov, I. V.; Polyutov, S. P.
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