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We investigate the fine and spin structure of ultralong-range Rydberg molecules exposed to a homogeneous magnetic field. Each molecule consists of a $^{87}$Rb Rydberg atom whose outer electron interacts via spin-dependent $s$- and p-wave…

Atomic Physics · Physics 2018-05-02 Frederic Hummel , Christian Fey , Peter Schmelcher

Entanglement of spins is analyzed for two electrons extracted from a mixed many electron state by projecting onto the two-electron subspace. The concurrence formulae are expressed in a compact form for states with a well defined square of…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 A. Ramsak , J. Mravlje , T. Rejec , A. Lautar

Recent Lorentz transmission electron microscopy experiments have revealed a variety of noncollinear spin textures including topological magnetisms such as skyrmions, biskyrmions and multiple skyrmions in thin-plate magnetic samples of e.g.,…

Strongly Correlated Electrons · Physics 2023-07-26 Tatsuki Muto , Masahito Mochizuki

We perform force-free simulations for a neutron star orbiting a black hole, aiming at clarifying the main magnetosphere properties of such binaries towards their innermost stable circular orbits. Several configurations are explored, varying…

High Energy Astrophysical Phenomena · Physics 2021-09-08 Federico Carrasco , Masaru Shibata , Oscar Reula

Open-shell non-rigid molecular systems exhibiting an internal rotation are likely candidates for a coupling between the spin angular momentum of the unpaired electron and the torsional motion. This electron spin-torsion coupling lacked both…

A molecular description for magic-number configurations of interacting electrons in a quantum dot in high magnetic fields developed by one of the authors has been elaborated for four, five and six electron dots. For four electrons, the…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Hiroshi Imamura , Peter A. Maksym , Hideo Aoki

The equilibrium rotation of tidally evolved "Earth-like" extra-solar planets is often assumed to be synchronous with their orbital mean motion. The same assumption persisted for Mercury and Venus until radar observations revealed their true…

Astrophysics · Physics 2008-08-08 Alexandre C. M. Correia , Benjamin Levrard , Jacques Laskar

In metals in the vicinity of a polar transition, interactions between electrons and soft phonon modes remain to be determined. Here we explore the consequences of spin-orbit assisted electron-phonon coupling on the collective modes of such…

Strongly Correlated Electrons · Physics 2023-12-27 Abhishek Kumar , Premala Chandra , Pavel A. Volkov

We conducted a search for an exotic spin- and velocity-dependent interaction for polarized electrons with an experimental approach based on a high-sensitivity spin-exchange relaxation-free (SERF) magnetometer, which serves as both a source…

Instrumentation and Detectors · Physics 2018-09-12 Young Jin Kim , Ping-Han Chu , Igor Savukov

Spin and pseudospin symmetries in the spectra of nucleons and antinucleons are studied in a relativistic mean-field theory with scalar and vector Woods-Saxon potentials, in which the strength of the latter is allowed to change. We observe…

Nuclear Theory · Physics 2014-11-20 R. Lisboa , M. Malheiro , P. Alberto , M. Fiolhais , A. S. de Castro

Quasi-optical experiments are emerging as a powerful technique to probe magnetic transitions in molecular spin systems. However, the simultaneous presence of the electric- and magnetic-dipole induced transitions poses the challenge of…

Mesoscale and Nanoscale Physics · Physics 2026-02-10 Filippo Troiani , Athanassios K. Boudalis

We point out that the rotation of the Earth leads to a non-negligible apparent electric-dipole moment effect for this experiment.

High Energy Physics - Experiment · Physics 2008-11-26 S. K. Lamoreaux , R. Golub

We discuss phenomena arising from the combined influence of electron correlation and spin-orbit coupling, with an emphasis on emergent quantum phases and transitions in heavy transition metal compounds with 4d and 5d elements. A common…

Strongly Correlated Electrons · Physics 2014-03-14 William Witczak-Krempa , Gang Chen , Yong Baek Kim , Leon Balents

The total spin of correlated electrons in a quantum dot changes with magnetic field and this effect is generally linked to the change in the total angular momentum from one magic number to another, which can be understood in terms of an…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Hiroshi Imamura , Hideo Aoki , Peter A. Maksym

Different types of order are discussed in the context of strongly correlated transition metal oxides, involving pure compounds and $3d^{3}-4d^{4}$ and $3d^{2}-4d^{4}$ hybrids. Apart from standard, long-range spin and orbital orders we…

Strongly Correlated Electrons · Physics 2019-10-24 Wojciech Brzezicki

A novel method invented to measure the minute thermodynamic spin magnetization of dilute two dimensional fermions is applied to electrons in a silicon inversion layer. Interplay between the ferromagnetic interaction and disorder enhances…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 O. Prus , Y. Yaish , M. Reznikov , U. Sivan , V. Pudalov

The energy relaxation in the spin-polarized disordered electron systems is studied in the diffusive regime. We derived the quantum kinetic equation in which the kernel of electron-electron collision integral explicitly depends on the…

Mesoscale and Nanoscale Physics · Physics 2009-04-05 N. M. Chtchelkatchev , I. S. Burmistrov

We report the results of a new search for long range spin-dependent interactions using a Rb -$^{21}$Ne atomic comagnetometer and a rotatable electron spin source based on a SmCo$_{5}$ magnet with an iron flux return. By looking for signal…

Atomic Physics · Physics 2020-11-16 Attaallah Almasi , Junyi Lee , Himawan Winarto , Marc Smiciklas , Michael V. Romalis

We study electron transport in a double quantum dot in the Pauli spin blockade regime, in the presence of strong spin-orbit coupling. The effect of spin-orbit coupling is incorporated into a modified interdot tunnel coupling. We elucidate…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 J. Danon , Yu. V. Nazarov

Electrons in the Earth's radiation belts can be categorized into three populations: precipitating, quasi-trapped and trapped. We use data from the DEMETER and SAMPEX missions and from ground-based neutron monitors (NM) and sunspot…