Search Results - "Yudin, V I"
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Magnetic-dipole transitions in highly charged ions as a basis of ultraprecise optical clocks
Published in Physical review letters (05-12-2014)“…We evaluate the feasibility of using magnetic-dipole (M1) transitions in highly charged ions as a basis of an optical atomic clockwork of exceptional accuracy…”
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2
Ramsey Spectroscopy with Displaced Frequency Jumps
Published in Physical review letters (22-03-2019)“…Sophisticated Ramsey-based interrogation protocols using composite laser pulse sequences have been recently proposed to provide next-generation high-precision…”
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3
Systematic study of tunable laser cooling for trapped-ion experiments
Published in New journal of physics (01-05-2023)“…Abstract We report on a comparative analysis of quenched sideband cooling in trapped ions. We introduce a theoretical approach for time-efficient simulation of…”
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4
Dynamic regime of coherent population trapping and optimization of frequency modulation parameters in atomic clocks
Published in Optics express (06-02-2017)“…We theoretically investigate the dynamic regime of coherent population trapping (CPT) in the presence of frequency modulation (FM). We have formulated the…”
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5
Laser Cooling of Lithium-6 Atoms in a Bichromatic Light Field
Published in Journal of experimental and theoretical physics (01-08-2023)“…The kinetics of 6 Li atoms in a bichromatic laser field exciting transitions on D2 and D1 lines is investigated. The model takes into account the complex real…”
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6
Field Shift of Coherent Population Trapping Resonance Taking into Account Spatial Inhomogeneity of the Light Beam
Published in Journal of experimental and theoretical physics (01-08-2023)“…We study the field shift of coherent population trapping (CPT) resonance excited by a bichromatic field in an open Λ system with account for the Gaussian…”
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7
Combined error signal in Ramsey spectroscopy of clock transitions
Published in New journal of physics (18-12-2018)“…We have developed a universal method to form the reference signal for the stabilization of arbitrary atomic clocks based on Ramsey spectroscopy. Our approach…”
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8
Frequency shifts in an optical lattice clock due to magnetic-dipole and electric-quadrupole transitions
Published in Physical review letters (07-11-2008)“…We report a hitherto undiscovered frequency shift for forbidden J = 0-->J = 0 clock transitions excited in atoms confined to an optical lattice. These shifts…”
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9
Optical lattice polarization effects on hyperpolarizability of atomic clock transitions
Published in Physical review letters (27-10-2006)“…The light-induced frequency shift due to hyperpolarizability (i.e., terms of second-order in intensity) is studied for a forbidden optical transition, J = 0…”
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10
Generalized Ramsey excitation scheme with suppressed light shift
Published in Physical review letters (21-11-2012)“…We experimentally investigate a recently proposed optical excitation scheme V. I. Yudin et al. [Phys. Rev. A 82, 011804(R) (2010)] that is a generalization of…”
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11
Inhomogeneous light shifts of coherent population trapping resonances
Published in Applied physics letters (11-04-2022)“…Coherent population trapping (CPT) in atomic vapors using all-optical interrogation has enabled the miniaturization of microwave atomic clocks. Light shifts…”
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12
Theory of Composite Ramsey Sequences of Radiofrequency Pulses beyond the Rotating Wave Approximation
Published in JETP letters (2024)“…We develop a theory of composite Ramsey sequences of rf pulses interacting with the Zeeman structure at the long-lived atomic level, beyond the rotating wave…”
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13
Reduction of light shifts in Ramsey spectroscopy with a combined error signal
Published in Applied physics letters (08-04-2019)“…Light-induced frequency shifts can be a key limiting contribution to the mid- and long-term frequency instabilities in atomic clocks. In this letter, we…”
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14
Limits of Laser Cooling of Light Alkali Metals in a Polychromatic Light Field
Published in Bulletin of the Russian Academy of Sciences. Physics (01-07-2024)“…A model was developed for laser cooling of alkali atoms in a polychromatic field, considering the real structure of atomic levels. The model was tested by the…”
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15
Radiation-Chemical Decomposition of Malondialdehyde in Aqueous Solutions
Published in High energy chemistry (01-04-2024)“…The radiolysis of malondialdehyde (MDA) in acidic (pH 3) and alkaline (pH 11) aqueous solutions has been studied using UV spectrometry, HPLC, and chemical…”
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16
Ramsey Spectroscopy of CPT Resonances on the D1 Line of Alkali Metal Atoms in Miniature Cells in the Field of Counterpropagating Waves with Opposite Circular Polarizations
Published in JETP letters (2024)“…In this study, the Ramsey spectroscopy of coherent population trapping resonances excited on the D 1 line of alkali metal atoms in miniature vapor cells has…”
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17
Active Suppression of the Light Shift in an Atomic Clock Based on Coherent Population Trapping in 87Rb Vapor Using the Phase Jump Technique
Published in JETP letters (01-04-2023)“…The active suppression of light shift of the reference coherent population trapping (CPT) resonance in 87 Rb vapor to improve the long-term stability of…”
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18
Influence of Free Motion of Atoms on Atomic Density-Dependent Effects in Nonlinear Laser Spectroscopy of Resonant Gas Media
Published in JETP letters (01-03-2023)“…We develop a nonlinear theory of propagation of a monochromatic light wave in a gas of two-level atoms under the condition of inhomogeneous Doppler lineshape…”
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19
Magnetic field-induced spectroscopy of forbidden optical transitions with application to lattice-based optical atomic clocks
Published in Physical review letters (03-03-2006)“…We develop a method of spectroscopy that uses a weak static magnetic field to enable direct optical excitation of forbidden electric-dipole transitions that…”
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Combined atomic clock with blackbody-radiation-shift-induced instability below 10 −19 under natural environment conditions
Published in New journal of physics (01-02-2021)“…Abstract We develop a method of synthetic frequency generation to construct an atomic clock with blackbody radiation (BBR) shift uncertainties below 10 −19 at…”
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