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相关论文: Hyperfine spectra of CH3F nuclear spin conversion

200 篇论文

Isolated electron spins in semiconductor nanostructures are promising qubit candidates for a solid state quantum computer, There have seen truly impressive experimental progresses in the study of single spins in the past two years. In this…

介观与纳米尺度物理 · 物理学 2007-05-23 Changxue Deng , Xuedong Hu

In this paper, we propose a map which connects nucleons bound in nuclei and Ising spins in Ising model. This proposal is based on the fact that the description of states of nucleons and Ising spins could share the same type of observables.…

高能物理 - 唯象学 · 物理学 2023-08-09 Shu-Man Hu , Yin-Sen Luan , Ji Xu

Collisions with chemically inert atoms or molecules change the hyperfine coupling of an alkali-metal atom through the hyperfine-shift interaction. This interaction is responsible for the pressure shifts of the microwave resonances of…

原子物理 · 物理学 2013-06-04 B. H. McGuyer

The peculiarities of coherent spin radiation by magnetic nanomolecules is investigated by means of numerical simulation. The consideration is based on a microscopic Hamiltonian taking into account realistic dipole interactions.…

介观与纳米尺度物理 · 物理学 2015-05-13 V. I. Yukalov , V. K. Henner , P. V. Kharebov , E. P. Yukalova

A scanning tunneling microscope (STM) can probe the inelastic spin excitations of single magnetic atoms in a surface via spin-flip assisted tunneling. A particular and intriguing case is the Mn dimer case. We show here that the existing…

介观与纳米尺度物理 · 物理学 2022-08-31 F. Delgado , J. Fernández-Rossier

Temperature dependent nuclear inelastic-scattering (NIS) of synchrotron radiation was applied to investigate both spin states of the spin-crossover complex [Fe(tpa)(NCS)(2)] (tpa = tris(2-pyridylmethyl)amine). A remarkable increase of the…

化学物理 · 物理学 2012-06-29 H. Grünsteudel , H. Paulsen , H. Winkler , A. X. Trautwein , H. Toftlund

Properties of a Nuclear-Spin-Polarization-Induced Quantum Ring (NSPI QR) are studied theoretically. In the proposed system a local nuclear spin polarization creates an effective hyperfine field which confines the electrons with the spins…

介观与纳米尺度物理 · 物理学 2007-05-23 S. N. Shevchenko , Yu. V. Pershin , I. D. Vagner

We examine whether the newly derived neutrino spin coherence could lead to large-scale coherent neutrino-antineutrino conversion. In a linear analysis we find that such transformation is largely suppressed, but demonstrate that nonlinear…

高能天体物理现象 · 物理学 2014-06-27 Alexey Vlasenko , George M. Fuller , Vincenzo Cirigliano

Spatially nonhomogeneously spin polarized nuclei are proposed as a new mechanism to monitor electron states in a nanostructure, or as a means to createn and, if necessary, reshape such nanostructures in the course of the experiment. We…

介观与纳米尺度物理 · 物理学 2015-06-24 V. Fleurov , V. A. Ivanov , F. M. Peeters , I. D. Vagner

We examine pairing and molecule formation in strongly-interacting Fermi gases, and we discuss how radio-frequency (RF) spectroscopy can reveal these features. For the balanced case, the emergence of stable molecules in the BEC regime…

其他凝聚态物理 · 物理学 2014-11-18 P. Massignan , G. M. Bruun , H. T. C. Stoof

The interaction of orbital electrons with the charge and magnetic moment of the nucleus polarizes it, and the detailed description requires a careful treatment of the nuclear vector polarizability. We present a complete and closed form…

原子物理 · 物理学 2009-11-13 Krzysztof Pachucki

The nuclear spin, being much more isolated from the environment than its electronic counterpart, enables quantum experiments with prolonged coherence times and presents a gateway towards uncovering the intricate dynamics within an atom.…

介观与纳米尺度物理 · 物理学 2023-09-08 Lukas M. Veldman , Evert W. Stolte , Mark P. Canavan , Rik Broekhoven , Philip Willke , Laëtitia Farinacci , Sander Otte

We have studied hyperfine interactions between spin-polarized electrons and lattice nuclei in Al_0.1Ga_0.9As/GaAs quantum well (QW) heterostructures. The spin-polarized electrons are electrically injected into the semiconductor…

材料科学 · 物理学 2009-11-11 J. Strand , X. Lou , C. Adelmann , B. D. Schultz , A. F. Isakovic , C. J. Palmstrom , P. A. Crowell

We study the mechanism of dynamical nuclear spin polarization by hyperfine interaction in spin-blocked double quantum dot system. We calculate the hyperfine transition rates and solve the master equations for the nuclear spins.…

介观与纳米尺度物理 · 物理学 2009-11-10 Changxue Deng , Xuedong Hu

We perform a systematic shell-model and mean-field study of fully-aligned, high-spin f_{7/2}^{n} seniority isomers and d_{3/2}^{-1} f_{7/2}^{n+1} intruder states in the A~44 nuclei from the lower-fp shell. The shell-model calculations are…

核理论 · 物理学 2009-11-11 G. Stoitcheva , W. Satula , W. Nazarewicz , D. J. Dean , M. Zalewski , H. Zdunczuk

We study quantum spin mixing in a binary mixture of spin-1 condensates including coherent interspecies mixing process, using the familiar spinor condensates of $^{87}$Rb and $^{23}$Na atoms in the ground lower hyperfine F=1 manifolds as…

量子气体 · 物理学 2012-07-24 Z. F. Xu , D. J. Wang , L. You

We investigate interactions and ultracold collisions of high-spin but spherical atoms with closed-shell atoms, focussing on the example of Cr with Yb. Such a combination has only one potential energy curve but gives rise to a substantial…

原子物理 · 物理学 2024-09-04 Matthew D. Frye , Piotr S. Żuchowski , Michał Tomza

A theory of electron spin relaxation in semiconducting carbon nanotubes is developed based on the hyperfine interaction with disordered nuclei spins I=1/2 of $^{13}$C isotopes. It is shown that strong radial confinement of electrons…

材料科学 · 物理学 2009-11-11 Y. G. Semenov , K. W. Kim , G. J. Iafrate

A variational model for the infra-red spectrum of VO is presented which aims to accurately predict the hyperfine structure within the VO $\mathrm{X}\,^4\Sigma^-$ electronic ground state. To give the correct electron spin splitting of the…

化学物理 · 物理学 2022-10-25 Qianwei Qu , Sergei N. Yurchenko , Jonathan Tennyson

We compute nuclear spin dependent structure functions using a dynamical model for bound nucleon densities and hence calculate nuclear modifications to asymmetries observed in recent doubly polarised deep inelastic scattering experiments. We…

高能物理 - 唯象学 · 物理学 2009-10-28 D. Indumathi