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The permanent electric dipole moment (EDM) of the $^{171}$Yb $(I=1/2)$ atom is measured with atoms held in an optical dipole trap (ODT). By enabling a cycling transition that is simultaneously spin-selective and spin-preserving, a quantum…

Atomic Physics · Physics 2022-08-31 T. A. Zheng , Y. A. Yang , S. -Z. Wang , J. T. Singh , Z. -X. Xiong , T. Xia , Z. -T. Lu

Vertical electric fields need to remain orders of magnitude smaller than the horizontal electric field in storage ring electric dipole moment experiments. Otherwise, the coupling with the magnetic dipole moment dominates the spin…

Accelerator Physics · Physics 2020-12-25 Selcuk Haciomeroglu

Cosmic microwave background (CMB) polarization observations will require superb control of systematic errors in order to achieve their full scientific potential, particularly in the case of attempts to detect the B modes that may provide a…

Astrophysics · Physics 2008-11-26 Emory F. Bunn

It is shown, within classical mechanics, that the field of an electromagnetic vortex is capable of capturing and guiding neutral molecules endowed with a permanent electric dipole moment (PEDM). Similarly as in the case of the magnetic…

Optics · Physics 2020-02-19 Tomasz Radozycki

Relativistic polarized electron beams can find applications in broad areas of fundamental physics. Here, we propose for the first time that electron spin polarization can be realized efficiently via collective beam-target interactions. When…

Plasma Physics · Physics 2024-08-13 Xing-Long Zhu , Min Chen , Wei-Min Wang , Zheng-Ming Sheng

We propose the design of a space-variant Wien filter for electron beams that induces a spin half-turn and converts the corresponding spin angular momentum variation into orbital angular momentum of the beam itself by exploiting a…

Atomic Physics · Physics 2012-01-31 Ebrahim Karimi , Lorenzo Marrucci , Vincenzo Grillo , Enrico Santamato

Searches for intrinsic electric dipole moments (EDMs) of nucleons, atoms and molecules are precision flavor-diagonal probes of new $CP$-odd physics, as motivated by the need to explain the matter-antimatter asymmetry in the universe. We…

High Energy Physics - Phenomenology · Physics 2026-03-19 Maxim Pospelov , Adam Ritz

A search for the $P$- and $CP(T)$-violating electric dipole moments (EDM) of atoms, particles and nuclei with sensitivity up to $10^{-15}$ in units of magnetic dipole moments, allowed by all discrete symmetries, is one of the topical…

High Energy Physics - Theory · Physics 2023-04-06 Sergey N. Vergeles , Nikolai N. Nikolaev , Yuri N. Obukhov , Alexander J. Silenko , Oleg V. Teryaev

We report the experimental demonstration of the induced polarization-dependent optical vortex beams. We use the Talbot configuration as a method to probe this effect. In particular, our simple experiment shows the direct measurement of this…

Trapped ultracold neutrons (UCN) have for many years been the mainstay of experiments to search for the electric dipole moment (EDM) of the neutron, a critical parameter in constraining scenarios of new physics beyond the Standard Model.…

Atomic Physics · Physics 2014-01-15 P. G. Harris , J. M. Pendlebury , N. E. Devenish

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…

Ferroelectric materials are characterized by a spontaneous polar distortion. The behavior of such distortions in the presence of free charge is the key to the physics of metallized ferroelectrics in particular, and of structurally-polar…

Several proposals aimed at measuring the Electric Dipole Moment (EDM) for charged particles require very precise simulations and understanding of the systematic errors that can contribute to a spin buildup mimicking the EDM signal to be…

Accelerator Physics · Physics 2019-06-14 Malek Haj Tahar , Christian Carli

Molecular dynamics simulation study based on the EAM potential is carried out to investigate the effect of pressure on the rapid solidification of Aluminum. The radial distribution function is used to characterize the structure of the Al…

Materials Science · Physics 2009-11-13 A. Sarkar , P. Barat , P. Mukherjee

We apply an analysis of time-dependent spin-polarized current in a semiconductor channel at room temperature to establish how the magnetization configuration and dynamics of three ferromagnetic terminals, two of them biased and third…

Mesoscale and Nanoscale Physics · Physics 2008-02-20 L. Cywinski , H. Dery , L. J. Sham

In the paper being commented on it is proposed a new method for the detection of the electron EDM using the solid GdIG. There, it is argued that a sample electric polarization appears when the sample is magnetized; the common belief is that…

General Physics · Physics 2010-06-22 Tomislav Ivezic

We analyze the molecular electric dipole moments (PDMs) and static electric dipole polarizabilities of heteronuclear alkali dimers in their ground states by employing coupled-cluster theory, both in the non-relativistic and four-component…

Atomic Physics · Physics 2020-01-22 R. Mitra , V. S. Prasannaa , B. K. Sahoo

Spin rotation of $\Omega^{\pm}$ baryons channeling in a bent crystal at the LHC in addition to EDM measurement open possibility to study $\Omega^{\pm}$ baryons electric quadrupole moment. Equations for spin and tensor polarization rotation…

High Energy Physics - Phenomenology · Physics 2023-02-16 V. G. Baryshevsky

Present limit on the electron electric dipole moment ($e$EDM) is based on the electron spin precession measurement. We propose an alternative approach - observation of the $\mathcal{P}$,$\mathcal{T}$-odd Faraday effect in an external…

Atomic Physics · Physics 2019-07-30 D. V. Chubukov , L. V. Skripnikov , L. Bougas , L. N. Labzowsky

The ACME collaboration has recently reported a new bound on the electric dipole moment (EDM) of the electron, $|d_e|< 1.1 \times 10^{-29}\, {\rm e\cdot cm}$ at 90$\%$ confidence level, reaching an unprecedented accuracy level. This can…

High Energy Physics - Phenomenology · Physics 2021-11-05 Giuliano Panico , Alex Pomarol , Marc Riembau