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Related papers: Hyperfine spectra of CH3F nuclear spin conversion

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We propose a method to measure the hyperfine vectors between a nitrogen-vacancy (NV) center and an environment of interacting nuclear spins. Our protocol enables the generation of tunable electron-nuclear coupling Hamiltonians while…

Quantum Physics · Physics 2016-05-12 Zhen-Yu Wang , Jan F. Haase , Jorge Casanova , Martin B. Plenio

The electron-nuclei (hyperfine) interaction is central to spin qubits in solid state systems. It can be a severe decoherence source but also allows dynamic access to the nuclear spin states. We study a double quantum dot exposed to an…

Mesoscale and Nanoscale Physics · Physics 2013-06-13 Gunnar Petersen , Eric A. Hoffmann , Dieter Schuh , Werner Wegscheider , Geza Giedke , Stefan Ludwig

The paper reports new results of the 57Fe M\"ossbauer measurements on Fe3PO4O3 powder sample recorded at various temperatures including the point of magnetic phase transition TN ~ 163K. The spectra measured above TN consist of quadrupole…

Strongly Correlated Electrons · Physics 2018-03-28 A. V. Sobolev , A. A. Akulenko , I. S. Glazkova , D. A. Pankratov , I. A. Presniakov

Some experimental evidences for methane are produced that the simple transition from frequency scanning of nonlinear-optical resonances to magnetic one may be accompanied with transition from sub-Doppler collisionally broadened structure to…

Chemical Physics · Physics 2009-11-10 K. I. Gus'kov , V. I. Kovalevsky , A. G. Rudavets , E. G. Saprykin

We review self-consistent spectral methods for nuclear matter calculations. The in-medium T-matrix approach is conserving and thermodynamically consistent. It gives both the global and the single-particle properties the system. The T-matrix…

Nuclear Theory · Physics 2009-11-11 P. Bozek

We present formulas for the nuclear and electronic spin relaxation times due to the hyperfine interaction for nanostructed systems and show that the times depend on the square of the local density of electronic states at the nuclear…

Condensed Matter · Physics 2009-11-07 Ionel Tifrea , Michael E. Flatte

Intermediate-energy heavy-ion collisions can produce a spin polarization of the projectile-like species. Spin polarization has been observed for both nucleon removal and nucleon pickup processes. Qualitative agreement with measured spin…

Nuclear Experiment · Physics 2008-11-26 D. E. Groh , J. S. Pinter , P. F. Mantica , T. J. Mertzimekis , A. E. Stuchbery , D. T. Khoa

We show that the hyperfine mediated dynamics of heavy hole states confined in neutral self- assembled quantum dots leads to a nuclear spin diffusion mechanism. It is found that the oftentimes neglected effective heavy hole hyperfine…

Mesoscale and Nanoscale Physics · Physics 2014-03-04 Hugo Ribeiro , Franziska Maier , Daniel Loss

We calculate the microwave spectra of ultracold KRb alkali metal dimers, including hyperfine interactions and in the presence of electric and magnetic fields. We show that microwave transitions may be used to transfer molecules between…

Chemical Physics · Physics 2015-05-13 J. Aldegunde , Hong Ran , Jeremy M. Hutson

The use of nuclear spins as physical sensing systems is disadvantaged by their low signal responsivity, particularly when compared to sensing techniques based on electron spins. This primarily results from the small nuclear gyromagnetic…

Electric fields represent an ideal means for controlling spins at the nanoscale and, more specifically, for manipulating protected degrees of freedom in multispin systems. Here we perform low-temperature magnetic far-IR spectroscopy on a…

Mesoscale and Nanoscale Physics · Physics 2025-02-03 Florian le Mardelé , Ivan Mohelský , Jan Wyzula , Milan Orlita , Philippe Turek , Filippo Troiani , Athanassios K. Boudalis

We present a general theoretical treatment and calculations of the fine and hyperfine structures in the spectra of high-$n$ molecular Rydberg states in static uniform electric fields. The treatment combines (i) multichannel quantum-defect…

Atomic Physics · Physics 2026-04-22 Ioana Doran , Leon Jeckel , Maximilian Beyer , Christian Jungen , Frédéric Merkt

This work presents an approach to nuclear spin-isospin response, which is capable of describing the overall strength distribution up to high excitation energies, including the fine structure of the low-lying strength, and resolving the…

Nuclear Theory · Physics 2017-04-05 Elena Litvinova

The interaction between spins in coupled quantum dots is revealed in distinct fine structure patterns in the measured optical spectra of InAs/GaAs double quantum dot molecules containing zero, one, or two excess holes. The fine structure is…

Other Condensed Matter · Physics 2011-11-09 M. Scheibner , M. F. Doty , I. V. Ponomarev , A. S. Bracker , E. A. Stinaff , V. L. Korenev , T. L. Reinecke , D. Gammon

Under optical cooling of nuclei, a strongly correlated nuclear-spin polaron state can form in semiconductor nanostructures with localized charge carriers due to the strong hyperfine interaction of the localized electron spin with the…

Mesoscale and Nanoscale Physics · Physics 2020-11-30 Andreas Fischer , Iris Kleinjohann , Frithjof B. Anders , Mikhail M. Glazov

A theoretical study of spin dynamics in non-relativistic particle beams with interacting angular momenta traversing static, spatially varying magnetic fields is presented. The computational framework evaluates sinusoidal magnetic field…

The electron spin transport in condensed matter, Spintronics, is a subject of rapidly growing interest both scientifically and from the point of view of applications to modern and future electronics. In many cases the electron spin…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Israel D. Vagner

We investigate interactions between the proton spin, the deuteron spin, and the orbital angular momentum in the electronic ground state of the HD molecule. These interactions lead to hyperfine splittings of molecular energy levels. Our…

Chemical Physics · Physics 2020-07-29 Jacek Komasa , Mariusz Puchalski , Krzysztof Pachucki

The time-dependent Schrodinger equation of a many particle spin system consisting of an electron in a quantum dot interacting with the spins of the nuclei (N) in the dot due to hyperfine interaction is solved exactly for a given arbitrary…

Quantum Physics · Physics 2007-05-23 A. K. Rajagopal

The hyperpolarisation of nuclear spins within target molecules is a critical and complex challenge in magnetic resonance imaging (MRI) and nuclear magnetic resonance (NMR) spectroscopy. Hyperpolarisation offers enormous gains in signal and…