Articles with "electric quadrupole" as a keyword



Nuclear Spin Relaxation and Electric Quadrupole Frequency Shift of 129 Xe- 131 Xe in Cubic Stemless MEMS Atomic Vapor Cells

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Published in 2025 at "ACS Omega"

DOI: 10.1021/acsomega.5c04797

Abstract: Research on the electric quadrupole frequency shift mechanism and nuclear spin relaxation of 129Xe–131Xe in alkali metal atomic vapor cells fabricated using microelectromechanical systems (MEMS) technology remains in its early stages. Therefore, an in-depth investigation… read more here.

Keywords: frequency shift; electric quadrupole; nuclear spin; quadrupole frequency ... See more keywords

Magnetic mirror metasurface based on the in-phase excitation of magnetic dipole and electric quadrupole resonances

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Published in 2019 at "Journal of Applied Physics"

DOI: 10.1063/1.5085749

Abstract: We consider the design of magnetic mirrors that consist of a layer of two-dimensional high-refractive-index dielectric particles. The central idea is to search for conditions for which the electric field of the light backscattered by… read more here.

Keywords: phase; magnetic dipole; magnetic mirror; dipole electric ... See more keywords

Topological states in generalized electric quadrupole insulators

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Published in 2020 at "Physical Review B"

DOI: 10.1103/physrevb.101.195309

Abstract: The modern theory of electric polarization has recently been extended to higher multipole moments, such as quadrupole and octupole moments. The higher electric multipole insulators are essentially topological crystalline phases protected by underlying crystalline symmetries.… read more here.

Keywords: generalized electric; electric quadrupole; topological states; symmetry breaking ... See more keywords

Ultrafast Modulations and Detection of a Ferro-Rotational Charge Density Wave Using Time-Resolved Electric Quadrupole Second Harmonic Generation.

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Published in 2021 at "Physical review letters"

DOI: 10.1103/physrevlett.127.126401

Abstract: We show the ferro-rotational nature of the commensurate charge density wave (CCDW) in 1T-TaS_{2} and track its dynamic modulations by temperature-dependent and time-resolved electric quadrupole rotation anisotropy-second harmonic generation (EQ RA-SHG), respectively. The ultrafast modulations… read more here.

Keywords: time resolved; resolved electric; electric quadrupole; charge density ... See more keywords

Narrow-line electric quadrupole cooling and background-free imaging of a single Cs atom with spatially structured light

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Published in 2025 at "Physical Review A"

DOI: 10.1103/vr4g-h995

Abstract: We demonstrate background-free imaging and sideband cooling of a single 133Cs atom via the narrow-line 6S1/2 to 5D5/2 electric quadrupole transition in a 1064 nm optical tweezer. The 5D5/2 state decays through the 6P3/2 state… read more here.

Keywords: electric quadrupole; structured light; free imaging; narrow line ... See more keywords

Electric quadrupole (E2) and magnetic dipole (M1) transitions for doubly and triply ionized krypton, xenon, and radon

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Published in 2019 at "Canadian Journal of Physics"

DOI: 10.1139/cjp-2018-0385

Abstract: We have reported the wavelengths, transition probabilities (or rates), oscillator strengths, and line strengths for forbidden transitions (electric quadrupole, E2, and magnetic dipole, M1) in doubly and triply ionized krypton, xenon, and radon using the… read more here.

Keywords: ionized krypton; magnetic dipole; triply ionized; electric quadrupole ... See more keywords

Quantum bound states of a Landau-type system for a moving electric quadrupole moment under the Kratzer potential in both commutative and noncommutative spaces

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Published in 2020 at "European Physical Journal Plus"

DOI: 10.1140/epjp/s13360-020-00787-w

Abstract: Bound states solutions and radial wave functions of a Landau system for a moving neutral particle that possesses an electric quadrupole moment under the Kratzer potential are obtained in commutative and noncommutative spaces. In both… read more here.

Keywords: bound states; kratzer potential; electric quadrupole; system moving ... See more keywords
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Parametric Calculations of Radiative Decay Rates for Magnetic Dipole and Electric Quadrupole Transitions in Tm IV, Yb V, and Er IV

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Published in 2018 at "Atoms"

DOI: 10.3390/atoms6030052

Abstract: Semi-empirical transition probabilities for magnetic dipole (M1) and electric quadrupole (E2) emission lines have been derived from parametric studies of experimental energy levels in Tm3+ (Tm IV), Yb4+ (Yb V), and Er3+ (Er IV), using… read more here.

Keywords: calculations radiative; magnetic dipole; radiative decay; dipole electric ... See more keywords