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We consider two particles of spin-1/2 interacting with a one-dimensional N-spin array, which is an exactly solvable model. The dynamics of entanglement and quantum discord (QD) of the spins of the two particles is investigated by regarding…

Quantum Physics · Physics 2015-08-27 Yan Liu , Jing Lu , Lan Zhou

Two-dimensional semiconductors have attracted considerable interest for integration into emerging quantum photonic networks. Strain engineering of monolayer transition-metal dichalcogenides (ML-TMDs) enables the tuning of light-matter…

An essentially "complete" description of the low-energy nuclear structure of the superfluid nucleus $^{120}$Sn and of its odd-$A$ neighbors is provided by the observations carried out with the help of Coulomb excitation and of one-- and of…

Nuclear Theory · Physics 2014-04-30 A. Idini , G. Potel , F. Barranco , E. Vigezzi , R. A. Broglia

We investigate the evolution of entanglement in multiple-quantum (MQ) NMR experiments in crystals with pairs of close nuclear spins-1/2. The initial thermodynamic equilibrium state of the system in a strong external magnetic field evolves…

Quantum Physics · Physics 2009-11-13 E. B. Fel'dman , A. N. Pyrkov

Superposition and entanglement are uniquely quantum phenomena. Superposition incorporates a phase which contains information surpassing any classical mixture. Entanglement offers correlations between measurements in quantum systems that are…

Quantum Physics · Physics 2015-05-27 A. Ardavan , G. A. D. Briggs

The distance-dependent interaction of an emitter with a plasmonic nanoparticle or surface forms the basis of the field of plexitonics. Semiconductor quantum dots (QDs) are robust emitters due to their photostability, and offer the…

Mesoscale and Nanoscale Physics · Physics 2021-09-20 Anum Nisar , Harini Hapuarachchi , Laurent Lermusiaux , Jared H. Cole , Alison M. Funston

We calculate the energy dependence of inclusive and diffractive neutrino-nucleus deep-inelastic scattering cross sections within the dipole picture, focusing on the ultra-high-energy regime. We predict an up to $\sim 10\%$ nuclear…

High Energy Physics - Phenomenology · Physics 2024-09-26 Anh Dung Le , Heikki Mäntysaari

In natural processes involving weak interactions, a violation of spatial parity conservation should appear. Its effects are expected to be observable in molecules using different spectroscopic methodologies, but due to the tiny magnitude of…

Chemical Physics · Physics 2022-12-02 Ignacio Agustín Aucar , Yuly Andrea Chamorro Mena , Anastasia Borschevsky

The effect of uniaxial tensile strain on spin coherence in n-type GaAs epilayers is probed using time-resolved Kerr rotation, photoluminescence, and optically-detected nuclear magnetic resonance spectroscopies. The bandgap, electron spin…

Materials Science · Physics 2009-11-11 H. Knotz , A. W. Holleitner , J. Stephens , R. C. Myers , D. D. Awschalom

We investigate the dynamic nuclear polarization process by frequently injecting polarized electron spins into a quantum dot. Due to the suppression of the direct dipolar and indirect electron-mediated nuclear spin interactions, by the…

Mesoscale and Nanoscale Physics · Physics 2016-07-26 Na Wu , Wenkui Ding , Anqi Shi , Wenxian Zhang

Nuclear spins and paramagnetic centers in a solid randomly group to form clusters featuring nearly-degenerate, hybrid states whose dynamics are central to processes involving nuclear spin-lattice relaxation and diffusion. Their…

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 impact of spin induced deformation and shape phase transitions on nuclear level density and consequently on neutron emission spectra of the decay of compound nuclear systems 112^Ru to 123^Cs (N = 68 isotones) is investigated in a…

Nuclear Theory · Physics 2019-02-20 Mamta Aggarwal

Optically-active solid-state systems such as self-assembled quantum dots, rare-earth ions, and color centers in diamond and SiC are promising candidates for quantum network, computing, and sensing applications. Although the nuclei in these…

Quantum Physics · Physics 2026-04-07 Isabela Gnasso , Khadija Sarguroh , Dorian Gangloff , Sophia E. Economou , Edwin Barnes

Inelastic proton scattering under extreme forward angles including $0^\circ$ and at energies of a few hundred MeV has been established as a new spectroscopic tool for the study of complete dipole strength distributions in nuclei. Such data…

Nuclear Experiment · Physics 2020-05-11 Peter von Neumann-Cosel , Atsushi Tamii

Distant dipolar field (DDF)-based nuclear magnetic resonance is an active research area with many fundamental properties still not well understood. Already several intriguing applications have developed, like HOMOGENIZED and IDEAL…

Medical Physics · Physics 2009-09-29 Curtis Andrew Corum

Absorptive corrections, known to suppress proton-neutron transitions with large fractional momentum $z\to1$ in pp collisions, become dramatically strong on a nuclear target, and push the partial cross sections of leading neutron production…

High Energy Physics - Phenomenology · Physics 2017-02-27 B. Z. Kopeliovich , I. K. Potashnikova , Ivan Schmidt

The inner crust of neutron stars hosts a rich variety of nuclear phenomena and provides a unique environment for exploring microscopic nuclear properties relevant to diverse astrophysical observations. Particularly magnetars, which possess…

Nuclear Theory · Physics 2026-02-05 Kenta Yoshimura , Kazuyuki Sekizawa

We investigate analytically and numerically the Multiple Quantum (MQ) NMR dynamics in systems of nuclear spins 1/2 coupled by the dipole-dipole interactions in the case of the dipolar ordered initial state. We suggest two different methods…

Other Condensed Matter · Physics 2009-11-13 S. I. Doronin , E. B. Fel'dman , E. I. Kuznetsova , G. B. Furman , S. D. Goren

Multiple interactions of quarks and gluons in high-energy heavy-ion collisions may give rise to interesting phemomena of color charges propagating in high-density QCD matter. We study the dynamics of multi-parton systems produced in…

Nuclear Theory · Physics 2009-10-31 Dinesh K. Srivastava , Klaus Geiger