Photon vortex generation by synchrotron radiation experiments in relativistic quantum approach

T Maruyama, T Hayakawa, R Hajima, T Ka**o… - Physical Review …, 2023 - APS
We formulate a theoretical approach to describe photon vortex production in
synchrotron/cyclotron radiation from a helical moving electron under a uniform magnetic …

Emission of twisted photons by a scalar charged particle in a strong magnetic field

D Karlovets, A Di Piazza - Physical Review D, 2023 - APS
We consider the emission of a photon by a scalar charged particle in a constant and uniform
magnetic field. In contrast to the conventional approach with both photon and outgoing …

Emission of twisted photons by a Dirac electron in a strong magnetic field

I Pavlov, D Karlovets - Physical Review D, 2024 - APS
We study the spontaneous emission of a photon during the transitions between relativistic
Landau states of an electron in a constant magnetic field that can reach the Schwinger value …

Parameter-space investigation for spin-dependent electron diffraction in the Kapitza-Dirac effect

Y Wang, S Ahrens - Physical Review A, 2024 - APS
We demonstrate that spin-dependent electron diffraction is possible for a smooth range of
transverse electron momenta in a two-photon Bragg scattering scenario of the Kapitza-Dirac …

Two-dimensional simulation of the spin flip in the Kapitza-Dirac effect

P Ge, S Ahrens, B Shen - Physical Review A, 2024 - APS
Many calculations in strong-field quantum field theory are carried out by using a simple field
geometry, often neglecting the spatial field envelope. In this paper, we simulate the electron …

Beam focus and longitudinal polarization influence on spin dynamics in the Kapitza-Dirac effect

S Ahrens, Z Guan, B Shen - Physical Review A, 2022 - APS
We theoretically investigate the influence of a longitudinal laser polarization component from
beam focusing on spin dynamics in Kapitza-Dirac scattering by solving the relativistic Dirac …

Absorption of a twisted photon by an electron in strong magnetic field

AA Shchepkin, DV Grosman, II Shkarupa… - The European Physical …, 2025 - Springer
The work investigates absorption of a twisted photon, which possesses quantized total
angular momentum (TAM), by a relativistic electron with the Lorentz factor\(\displaystyle …

Manipulation of spin polarization using NV ensemble in diamond for precision displacement detection with an adjustable sensitivity

Y Nie, K Huang, L Cheng, J Cui, J Li… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
Magnetic sensing based on nitrogen-vacancy (NV) centers in diamond have been
considered by scientists to be a promising candidate for highly sensitive, integrated solid …

Perturbative solution approach for computing the two-photon Kapitza-Dirac effect in a Gaussian beam standing light wave

S Ahrens, C Zhang, P Ge, G Li, B Shen - arxiv preprint arxiv:2305.12399, 2023 - arxiv.org
Theoretical spin properties of the Kapitza-Dirac effect beyond the plane-wave description
are not known in detail. We develop a method for computing electron diffraction of the two …

Spin polarization of electrons through corrugated surface in magnetic field

H Zhao, YL Wang, R Cheng, GH Liang, H Jiang… - arxiv preprint arxiv …, 2019 - arxiv.org
Noninteracting electrons confined to a corrugated surface are investigated in magnetic field,
and the associated effective Pauli equation is given analytically by the thin-layer …