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Related papers: g factor of Li-like ions with nonzero nuclear spin

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The choice of substrate orientation for semiconductor quantum dot circuits offers opportunities for tailoring spintronic properties such as g-factors for specific functionality. In this letter, we demonstrate the operation of a few-electron…

Mesoscale and Nanoscale Physics · Physics 2022-04-20 T. Nakagawa , S. Lamoureux , T. Fujita , J. Ritzmann , A. Ludwig , A. D. Wieck , A. Oiwa , M. Korkusinski , A. Sachrajda , D. G. Austing , L. Gaudreau

The role of the interaction with the nearest electronic state $^3\Sigma^+_{0^-}$ on the hyperfine structure and magnetic properties of the $a(1)[^3\Sigma^+_1]$ state of PbO is assessed. The accounting for this contribution leads to…

Atomic Physics · Physics 2015-05-20 A. N. Petrov

Calculations of the magnetic hyperfine structure rely on the input of nuclear properties -- nuclear magnetic moments and nuclear magnetization distributions -- as well as quantum electrodynamic (QED) radiative corrections for high-accuracy…

Atomic Physics · Physics 2018-09-19 J. S. M. Ginges , A. V. Volotka

The $g$-factor and static quadrupole moment for the wobbling mode in the nuclide $^{133}$La are investigated as functions of the spin $I$by employing the particle rotor model. The model can reproduce the available experimental data of…

Nuclear Theory · Physics 2020-08-26 Q. B. Chen , S. Frauendorf , N. Kaiser , Ulf-G. Meißner , J. Meng

In treating the relativistic three-quark problem, a dressed-quark propagator parameterization is used which is compatible with recent lattice data and pion observables. Furthermore two-quark correlations are modeled as a series of quark…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Oettel , R. Alkofer

We report studies of $k$-dependent Land\'e $g$-factor, performed by both continuous media approximation k.p method, and atomistic tight-binding sp$^3$d$^5$s$^*$ approach. We propose an effective, mesoscopic model for InAs that we are able…

Mesoscale and Nanoscale Physics · Physics 2020-10-26 Krzysztof Gawarecki , Michał Zieliński

We show that the spin (1/2-) particle from the (1/2,1)+(1,1/2) Lorentz irreducible sector of the four-vector spinor can not be described within a linear formalism but behaves as a genuinely quadratic fermion satisfying the generalized…

High Energy Physics - Phenomenology · Physics 2015-07-15 E. G. Delgado Acosta , V. M. Banda Guzmán , M. Kirchbach

The possibility of ferromagnetic and antiferromagnetic phase transitions in symmetric nuclear matter is analyzed within the framework of a Fermi liquid theory with the effective Gogny interaction. It is shown that at some critical density…

Nuclear Theory · Physics 2009-11-10 A. A. Isayev , J. Yang

We study the hyperfine splitting of an electron in hydrogen-like $^{209}Bi ^{82+} $. It is found that the hfs energy splitting can be explained well by considering the g-factor reduction due to the binding effect of a bound electron. We…

Nuclear Theory · Physics 2009-10-31 Tomoko Asaga , Takehisa Fujita , Makoto Hiramoto

For the first time, a wide range of collective magnetic g-factors g$_{\rm R}$, obtained from a novel analysis of experimental data for multi-quasiparticle configurations in high-K isomers, is shown to exhibit a striking systematic variation…

Nuclear Experiment · Physics 2015-06-19 N. J. Stone , J. R. Stone , P. M. Walker , C. R. Bingham

We have measured the effective mass, m, and Lande g-factor in very dilute two-dimensional electron systems in silicon. Two independent methods have been used: (i) measurements of the magnetic field required to fully polarize the electrons'…

Strongly Correlated Electrons · Physics 2007-05-23 A. A. Shashkin , S. V. Kravchenko , V. T. Dolgopolov , T. M. Klapwijk

We investigate the combined effect of spin-orbit scattering and electron-electron interactions on the probability distribution of $g$-factors of metal nanoparticles. Using random matrix theory, we find that even a relatively small…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Denis A. Gorokhov , Piet W. Brouwer

The connection between the enhancement factor (1+kappa) of the photonuclear E1 sum rule and the orbital angular momentum g-factor (gl) of a bound nucleon is investigated in the framework of the Landau-Migdal theory for isospin asymmetric…

Nuclear Theory · Physics 2009-11-10 W. Bentz , A. Arima

In the relativistic description of atomic systems in external fields the total momentum and the external electric field couple to the angular momentum of the individual particles. Therefore, the motional state of an ion in a particle trap…

Atomic Physics · Physics 2015-11-11 Niklas Michel , Jacek Zatorski , Christoph H. Keitel

We report on the modification of the g-factor by an in-plane electric field in an In$_{0.031}$Ga$_{0.969}$As epilayer. We performed external magnetic field scans of the Kerr rotation of the InGaAs film in order to independently determine…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 M. Luengo-Kovac , M. Macmahon , S. Huang , R. S. Goldman , V. Sih

Using an attractive surface delta interaction we obtain wave functions for 2 neutrons (or neutron holes) in the model space of 2 orbits (l=4, j=7/2) and (l=2, j=5/2). If we take the single particle energies to be degenerate we find that the…

Nuclear Theory · Physics 2016-03-09 Xiaofei Yu , Larry Zamick

The interaction between electronic and nuclear spins in the presence of external magnetic fields can be described by a spin Hamiltonian, with parameters obtained from first principles, electronic structure calculations. We describe an…

Materials Science · Physics 2019-04-10 Krishnendu Ghosh , He Ma , Vikram Gavini , Giulia Galli

Time-resolved optical measurements of electron-spin dynamics in a (110) GaAs quantum well are used to study the consequences of a strongly anisotropic electron g-tensor, and the origin of previously discovered all-optical nuclear magnetic…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 G. Salis , D. D. Awschalom , Y. Ohno , H. Ohno

An all-electrical spin resonance effect in a GaAs few-electron double quantum dot is investigated experimentally and theoretically. The magnetic field dependence and absence of associated Rabi oscillations are consistent with a novel…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 E. A. Laird , C. Barthel , E. I. Rashba , C. M. Marcus , M. P. Hanson , A. C. Gossard

We calculated the dimensionless gyromagnetic ratio ("$g$-factor") of self-gravitating, uniformly rotating disks of dust with a constant specific charge $\epsilon$. These disk solutions to the Einstein-Maxwell equations depend on $\epsilon$…

General Relativity and Quantum Cosmology · Physics 2016-11-16 Yu-Chun Pynn , Rodrigo Panosso Macedo , Martin Breithaupt , Stefan Palenta , Reinhard Meinel