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The semi-inclusive deep inelastic electron scattering off transversely polarized $^3$He, i.e. the process, $e + \vec{^3 {\rm He}} \to e' + h+X$, with $h$ a detected fast hadron, is studied beyond the plane wave impulse approximation. To…

Nuclear Theory · Physics 2017-12-20 A. Del Dotto , L. P. Kaptari , E. Pace , G. Salmè , S. Scopetta

We present a novel method for generating potential landscapes in GaAs microcavities through focused $He^{+}$ implantation. The ion beam imprints micron-scale patterns of non-radiative centers that deplete the exciton reservoir and form a…

Mesoscale and Nanoscale Physics · Physics 2025-07-02 Y. C. Balas , X. Zhou , E. Cherotchenko , I. Kuznetsov , S. K. Rajendran , G. G. Paschos , A. V. Trifonov , A. Nalitov , H. Ohadi , P. G. Savvidis

Optically addressable spins are actively investigated in quantum communication, processing and sensing. Optical and spin coherence lifetimes, which determine quantum operation fidelity and storage time, are often limited by spin-spin…

Long-range magnetic interactions in highly magnetised liquids (laser-polarised 3He-4He dilute mixtures at 1 K in our experiment) introduce a significant non-linear and non-local contribution to the evolution of nuclear magnetisation that…

Other Condensed Matter · Physics 2009-11-13 Emmanuel Baudin , Michael E. Hayden , Geneviève Tastevin , Pierre-Jean Nacher

The efficiency of evaporative cooling, which is used for the creation of a Bose Einstein condensate, depends strongly on the number of particles at the start of the evaporation. A high efficiency can be reached by filling the…

Atomic Physics · Physics 2009-11-11 K. M. R. van der Stam , A. Kuijk , R. Meppelink , J. M. Vogels , P. van der Straten

The Spin Asymmetries of the Nucleon Experiment (SANE) performed inclusive, double-polarized electron scattering measurements of the proton at the Continuous Electron Beam Accelerator Facility at Jefferson Lab. A novel detector array…

We present a combination of ab initio calculations, magnetic Compton scattering and polarized neutron experiments, which elucidate the density distribution of unpaired electrons in the kagome staircase system Co3V2O8. Ab initio wave…

The dynamics of 3He atoms in solid 4He have been investigated by measuring the NMR relaxation times T1, T2 in the region where a significant non-classical rotational inertia fraction (NCRIF) has been reported. For 3He concentrations x3 = 16…

Other Condensed Matter · Physics 2011-07-20 S. S. Kim , C. Huan , L. Yin , J. Xia , D. Candela , N. S. Sullivan

Neutron scattering experiments continue to improve our knowledge of spin fluctuations in layered cuprates, excitations that are symptomatic of the electronic correlations underlying high-temperature superconductivity. Time-of-flight…

Recent search for optical analogues of topological phenomena mainly focuses on mimicking the key feature of quantum Hall and quantum spin Hall effects (QHE and QSHE): edge currents protected from disorder. QHE relies on time-reversal…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 A. V. Nalitov , D. D. Solnyshkov , G. Malpuech

In a double polarised electron scattering experiment data have been taken from which $G_E^n$ can be extracted for $Q^2=0.2{GeV}^2/c^2$. We have measured asymmetries corresponding to the spin-spin correlation functions $A'_x$ and $A'_z$ and…

Nuclear Experiment · Physics 2007-05-23 9405 collaboration , D. J. Boersma

We report the measurement of extremely slow hole spin relaxation dynamics in small ensembles of self-assembled InGaAs quantum dots. Individual spin orientated holes are optically created in the lowest orbital state of each dot and read out…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 D. Heiss , S. Schaeck , H. Huebl , M. Bichler , G. Abstreiter , J. J. Finley , D. V. Bulaev , Daniel Loss

The neutrino experiment KARMEN is situated at the beam stop neutrino source ISIS. It provides nu_mu's, nu_e's and nu_mu_bar's in equal intensities from the pi+ mu+ decay at rest. The oscillation channels nu_mu->nu_e and nu_mu_bar->nu_e_bar…

High Energy Physics - Experiment · Physics 2012-08-27 KARMEN Collaboration

The experimental identification of optically addressable spin defects in hexagonal boron nitride has opened new possibilities for quantum sensor technologies in two-dimensional materials and structures. Despite numerous fundamental and…

There has been much recent research into polarizing an antiproton beam, instigated by the recent proposal from the PAX (Polarized Antiproton eXperiment) project at GSI Darmstadt. It plans to polarize an antiproton beam by repeated…

High Energy Physics - Phenomenology · Physics 2008-11-26 N. H. Buttimore , D. S. O'Brien

Dynamic nuclear polarisation, which transfers the spin polarisation of electrons to nuclei, is routinely applied to enhance the sensitivity of nuclear magnetic resonance; it is also critical in spintronics, particularly when spin…

Exciton-polariton III-V semiconductor microcavities provide a robust platform for emulating complex Hamiltonians, enabling topological photonics and quantum simulation for advanced photonic functionalities. Here, we introduce two novel…

Direct dynamic nuclear polarization of 1H nuclei in frozen water and water-ethanol mixtures is demonstrated using silicon nanoparticles as the polarizing agent. Electron spins at dangling-bond sites near the silicon surface are identified…

Mesoscale and Nanoscale Physics · Physics 2014-01-14 M. C. Cassidy , C. Ramanathan , D. G. Cory , J. W. Ager , C. M. Marcus

This executive summary of recent theory progress in Compton scattering off 3He focuses on determining neutron polarisabilities; see ref. [2] and references therein for details and a better bibliography. Prepared for the Proceedings of the…

Nuclear Theory · Physics 2018-12-13 Harald W. Griesshammer , Judith A. McGovern

We use time-resolved detection of the Hanle effect and polarized photoluminescence with dark intervals to investigate the buildup and decay of the spin polarization of nuclei interacting with donor-bound electrons in $n$-doped GaAs. Strong…

Mesoscale and Nanoscale Physics · Physics 2019-02-21 P. S. Sokolov , M. Yu. Petrov , K. V. Kavokin , M. S. Kuznetsova , S. Yu. Verbin , I. Ya. Gerlovin , D. R. Yakovlev , M. Bayer
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