Liping Zou
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View article: Radiation of "breathing" vortex electron packets in magnetic field
Radiation of "breathing" vortex electron packets in magnetic field Open
When a vortex electron with an orbital angular momentum (OAM) enters a magnetic field, its quantum state is described with a nonstationary Laguerre-Gaussian (NSLG) state rather than with a stationary Landau state. A key feature of these NS…
View article: Design of a compact and integrated vortex field-emission electron source
Design of a compact and integrated vortex field-emission electron source Open
Vortex electron beams in the energy range of 100–300 keV have been widely demonstrated in electron microscopy. However, the experimental realization of higher-energy vortex beams remains a major challenge. To enable the coupling of vortex …
View article: Design of a 200 MHz CW He2+ RFQ for 211At production
Design of a 200 MHz CW He2+ RFQ for 211At production Open
Short-lived alpha-emitting radiopharmaceuticals are promising for targeted cancer therapy, providing high linear energy transfer and localized cytotoxic effects while minimizing damage to healthy tissues. To ensure a stable and high-purity…
View article: Design of high intensity radio frequency quadrupole accelerator for Suzhou neutron source
Design of high intensity radio frequency quadrupole accelerator for Suzhou neutron source Open
View article: High-Precision Physics Experiments at Huizhou Large-Scale Scientific Facilities
High-Precision Physics Experiments at Huizhou Large-Scale Scientific Facilities Open
In response to the capabilities presented by the High-Intensity Heavy Ion Accelerator Facility (HIAF) and the Accelerator-Driven Subcritical System (CiADS), as well as the proposed Chinese Advanced Nuclear Physics Research Facility (CNUF),…
View article: Simulation of vortex ion generation from a cold atom ion source
Simulation of vortex ion generation from a cold atom ion source Open
Vortex waves with orbital angular momentum (OAM) have garnered significant attention since their appearance due to their unique properties. Vortex beams are experimentally demonstrated with photons, electrons, neutrons, and atoms. However,…
View article: Multi-scale Structural Characteristics and Efficiency Analysis of Proton Exchange Membrane Water Electrolysis Hydrogen Production Technology
Multi-scale Structural Characteristics and Efficiency Analysis of Proton Exchange Membrane Water Electrolysis Hydrogen Production Technology Open
Driven by the global energy transition and carbon neutrality goals, proton exchange membrane water electrolysis (PEMWE) technology has become the core technology for large-scale hydrogen production due to its advantages of high efficiency …
View article: The Influence of Magnetic Fields on the Operational State and Velocity of Smart Projectiles
The Influence of Magnetic Fields on the Operational State and Velocity of Smart Projectiles Open
The electromagnetic railgun, as a novel launching technology, held great potential for development. However, due to the strong magnetic interference during the launch process, most of the electromagnetic railguns that were being researched…
View article: Electroweak strings in the standard model
Electroweak strings in the standard model Open
We argue that the existence of the electroweak monopole predicts the existence of the electroweak string in the standard model made of monopole–antimonopole pair separated infinitely apart, which carry the quantized magnetic flux $$4 \pi n…
View article: Design of the 500 MHz 2-cell superconducting cavity for the SILF
Design of the 500 MHz 2-cell superconducting cavity for the SILF Open
The design of the main accelerating cavity in the storage ring of synchrotron radiation sources has consistently been an important area of research. In order to save the number of straight sections in the Shenzhen Innovation Light source F…
View article: Generalized Gouy Rotation of Electron Vortex beams in uniform magnetic fields
Generalized Gouy Rotation of Electron Vortex beams in uniform magnetic fields Open
The intrinsic rotation of electron vortex beams, governed by their phase structure, has been experimentally observed in magnetic fields by breaking the beam's cylindrical symmetry. However, conventional Landau states, which predict three f…
View article: Nucleon microscopy in proton-nucleus scattering via analysis of bremsstrahlung emission: role of incoherent emission
Nucleon microscopy in proton-nucleus scattering via analysis of bremsstrahlung emission: role of incoherent emission Open
We study electromagnetic form factors of protons in proton-nucleus scattering via analysing of experimental cross-sections of accompanying bremsstrahlung photons. A new bremsstrahlung model for proton-nucleus scattering is developed, where…
View article: Production of twisted particles in magnetic fields
Production of twisted particles in magnetic fields Open
The use of a (quasi)uniform magnetic field opens new possibilities for the production of twisted particles having orbital angular momenta. We ascertain these possibilities. Quantum states suitable for the creation of charged particles in a…
View article: Research progress of ultracold ion source
Research progress of ultracold ion source Open
Nanobeam is an advanced technology for preparing charged ion beams with spot diameters on a nanometer scale, and mainly used for high-resolution and high-precision ion beam analysis, ion beam fabrication and ion beam material modification …
View article: Electroweak Strings in the Standard Model
Electroweak Strings in the Standard Model Open
We argue that the existence of the electroweak monopole predicts the existence of the electroweak string in the standard model made of monopole-antimonopole pair separated infinitely apart, which carry the quantized magnetic flux $4 πn/e$.…
View article: Design and simulation of 500 MHz single cell superconducting RF cavity for SILF
Design and simulation of 500 MHz single cell superconducting RF cavity for SILF Open
Shenzhen Innovation Light source Facility (SILF) is a 3.0 GeV fourth generation diffraction limited synchrotron light source currently under construction in Shenzhen. The SILF storage ring is proposed to use two 500 MHz single cell superco…
View article: Recent progress in the physics of twisted particles
Recent progress in the physics of twisted particles Open
National Natural Science Foundation of China (11975320,12175319,12175320); Chinese Academy of Sciences (2019VMA0019); Natural Science Foundation of Guangdong Province (2022A1515010280)
View article: Experimental verification of two types of gluon jets in QCD
Experimental verification of two types of gluon jets in QCD Open
The Abelian decomposition of QCD tells that there are two types of gluons, the color neutral neurons and colored chromons. We propose to confirm the Abelian decomposition testing the existence of two types of gluon jets experimentally. We …
View article: Experimental Verification of Two types of Gluon Jets in QCD
Experimental Verification of Two types of Gluon Jets in QCD Open
The Abelian decomposition of QCD tells that there are two types of gluons, the color neutral neurons and colored chromons. We propose to confirm the Abelian decomposition testing the existence of two types of gluon jets experimentally. We …
View article: Production of twisted particles in heavy-ion collisions
Production of twisted particles in heavy-ion collisions Open
A prevalence of production of twisted (vortex) particles in noncentral heavy-ion collisions is shown. In such collisions, photons emitted due to the rotation of charges are highly twisted. Charged particles are produced in nonspreading mul…
View article: Production of twisted particles in magnetic fields
Production of twisted particles in magnetic fields Open
The use of a (quasi)uniform magnetic field opens new possibilities for a production of twisted particles having orbital angular momenta. Quantum states suitable for a production of charged particles in a uniform magnetic field are determin…
View article: Production of twisted particles in heavy-ion collisions
Production of twisted particles in heavy-ion collisions Open
A prevalence of production of twisted (vortex) particles in noncentral heavy-ion collisions is shown. In such collisions, photons emitted due to the rotation of charges are highly twisted. Charged particles are produced in nonspreading mul…
View article: Revisiting the compatibility problem between the gauge principle and the observability of the canonical orbital angular momentum in the Landau problem
Revisiting the compatibility problem between the gauge principle and the observability of the canonical orbital angular momentum in the Landau problem Open
View article: Twisted particles in heavy-ion collisions
Twisted particles in heavy-ion collisions Open
The importance of production of twisted (vortex) particles in heavy-ion collisions is analyzed. Free twisted particles can possess giant intrinsic orbital angular momenta. Twisted particles are spatially localized and can be rather ubiquit…
View article: Twisted particles in heavy-ion collisions
Twisted particles in heavy-ion collisions Open
The importance of twisted (vortex) particles in heavy-ion collisions is analyzed. Free twisted particles can possess giant intrinsic orbital angular momenta. Twisted particles are spatially localized and can be rather ubiquitous in laborat…
View article: General quantum-mechanical solution for twisted electrons in a uniform magnetic field
General quantum-mechanical solution for twisted electrons in a uniform magnetic field Open
A theory of twisted (and other structured) paraxial electrons in a uniform magnetic field is developed. The obtained general quantum-mechanical solution of the relativistic paraxial equation contains the commonly accepted result as a speci…
View article: Exotic States in a Holographic Theory
Exotic States in a Holographic Theory Open
Supersymmetric Light Front Holographic QCD is a holographic theory, which not only describes the spectroscopy of mesons and baryons, but also predicts the existence and spectroscopy of tetraquarks. A discussion of the limitations of the th…
View article: Abelian and Non-Abelian Monopole Configuration in Condensed Matters
Abelian and Non-Abelian Monopole Configuration in Condensed Matters Open
We discuss the Abelian and non-Abelian monopoles which could exist in condensed matters. We show how the Dirac monopole can be regularized by the charge screening, and argue that the Dirac monopole of mass of hundred meVs could exist in di…
View article: Position and spin in relativistic quantum mechanics
Position and spin in relativistic quantum mechanics Open
The problem of the position and spin in relativistic quantum mechanics is\nanalyzed in detail. It is definitively shown that the position and spin\noperators in the Foldy-Wouthuysen representation (but not in the Dirac one) are\nquantum-me…
View article: The physics of helical electron beam in a uniform magnetic field as a testing ground of gauge principle
The physics of helical electron beam in a uniform magnetic field as a testing ground of gauge principle Open