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The influence of hyperfine coupling to nuclear spins and of their quadrupolar splitting on the induced moment order in singlet ground state magnets is investigated. The latter are found among non-Kramers f electron compounds. Without…

Strongly Correlated Electrons · Physics 2025-12-19 Peter Thalmeier

We study the Kondo effect of a two-orbital vertical quantum dot (QD) coupled to two ferromagnetic leads by employing an equation of motion method. When the ferromagnetic leads are coupled with parallel spin polarization, we find three peaks…

Strongly Correlated Electrons · Physics 2011-04-19 Hitoshi Yoshizumi , Kensuke Inaba , Tomoko Kita , Sei-ichiro Suga

The relativistic neutrino emissivity of the nucleonic direct URCA processes in neutron star matter are investigated within the relativistic Hartree-Fock approximation. We study particularly the influences of the tensor couplings of vector…

Nuclear Theory · Physics 2016-01-29 Xu Yan , Huang Xiu-Lin , Liu Cheng-Zhi , Liu Guang-Zhou

The polarizations of $\Lambda$ and $\bar{\Lambda}$ hyperons are important quantities in extracting the fluid vorticity of the strongly coupled quark gluon plasma and the magnitude of the magnetic field created in off-central heavy-ion…

Nuclear Theory · Physics 2017-12-01 Hui Li , Long-Gang Pang , Qun Wang , Xiao-Liang Xia

A particle, which moves in a crystal, experiences weak interactions with electrons and nuclei alongside with electromagnetic interaction. Measuring the polarization vector and the angular distribution of charged and neutral particles…

High Energy Physics - Phenomenology · Physics 2019-05-17 V. G. Baryshevsky

Predictions for the global polarization of $\Lambda$ hyperons in Au+Au collisions at moderately relativistic collision energies, 2.4 $\leq\sqrt{s_{NN}}\leq$ 11 GeV, are made. These are based on the thermodynamic approach to the global…

Nuclear Theory · Physics 2021-03-31 Yu. B. Ivanov

In this study, I compute the static dipole polarizability of main-group elements using the finite-field method combined with relativistic coupled-cluster and configuration interaction simulations. The computational results closely align…

Atomic Physics · Physics 2024-10-10 YingXing Cheng

Combination of the thermal effet in magnetic deflagration with resonance spin tunneling controlled by the dipole-dipole interaction in molecular magnets leads to the increase of the deflagration speed in the dipolar window near tunneling…

Mesoscale and Nanoscale Physics · Physics 2012-01-10 D. A. Garanin , Reem Jaafar

We calculate the spin- and temperature-dependent local density of states for ferromagnetic Ni in the presence of a core hole at a distinguished site in the lattice. Correlations among the valence electrons and between valence and core…

Strongly Correlated Electrons · Physics 2007-05-23 T. Wegner , M. Potthoff , W. Nolting

We show that the interaction between a superconducting order parameter and the magnetic moment of an atomic cluster in a two-dimensional s-wave superconductor with Rashba spin-orbit coupling generates magnetic anisotropy that can be…

Mesoscale and Nanoscale Physics · Physics 2017-10-24 Eugene M. Chudnovsky

The magnetic coupling between two concentric mesoscopic superconductors with non-zero thickness is studied using the nonlinear Ginzburg-Landau theory. We calculated the free energy, the expelled field, the total field profile, the…

Superconductivity · Physics 2007-05-23 B. J. Baelus , S. V. Yampolskii , F. M. Peeters

The vacuum polarization tensor in strong external magnetic fields has been evaluated numerically for various strengths of magnetic fields and momenta of photons under the threshold of the $e^{\pm}$ pair creation. The fitting formula has…

Astrophysics · Physics 2009-11-06 K. Kohri , Shoichi Yamada

Stimulated by the still puzzling competition between spin-singlet and spin-triplet pairing in nuclei, the 3SD1 neutron-proton pairing is investigated in the framework of BCS theory of nuclear matter. The medium polarization effects are…

Nuclear Theory · Physics 2020-02-03 Wenmei Guo , Umberto Lombardo , Peter Schuck

Effects of the Fermi-sea polarization on the superfluidity in nuclear matter are studied in a framework of quantum hadrodynamics. The particle-hole polarization due to $\sigma$ and $\omega$ mesons enhances the peak value of the pairing gap…

Nuclear Theory · Physics 2007-05-23 Masayuki Matsuzaki , Peter Ring

If a magnetar interior $B$-field exceeds $10^{15}$~G, it will unpair the proton superconductor in the stellar core by inducing diamagnetic currents that destroy the Cooper pair coherence. Then, the $P$-wave neutron superfluid in these…

High Energy Astrophysical Phenomena · Physics 2016-02-22 Armen Sedrakian

We study the response of the QCD vacuum to an external magnetic field, in the presence of strong CP violation. Using chiral perturbation theory and large N_c expansion, we show that the external field would polarize quantum fluctuations and…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Millo , P. Faccioli

We explore the effect of the neutrino magnetic moment on neutrino scattering with matter in a core-collapse Supernova. We study the impact both on the neutrino fluxes and on the electron fraction. We find that sizeable modifications require…

Astrophysics · Physics 2008-11-26 A. B. Balantekin , C. Volpe , J. Welzel

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…

The study of spin polarization of $\Lambda$ hyperons in ultrarelativistic heavy-ion collisions provides insights into the angular momentum and vortical structure of the possible existence of QGP. The present study examines the global spin…

High Energy Physics - Phenomenology · Physics 2026-04-16 Bhagyarathi Sahoo , Captain R. Singh , Raghunath Sahoo

The magnetic dipole moment of the $\Delta (1232)$ is calculated in the framework of manifestly Lorentz-invariant baryon chiral perturbation theory in combination with the extended on-mass-shell renormalization scheme. As in the case of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Hacker , N. Wies , J. Gegelia , S. Scherer
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