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Conservation of Momentum
This chapter introduces concept of center of mass and its motion. These are followed by verification of conservation of momentum of a system of...
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Arbitrary acoustic orbital angular momentum detection using dual-layer metasurfaces
Orbital angular momentum (OAM), with its unique physical properties and vast application prospects, has attracted widespread attention in various...
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Directional controllable terahertz orbital angular momentum generator
Most of previous reported orbital angular momentum (OAM) have limitations of unidirectional regulation. In order to expand the utilization of space...
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Multiplexed manipulation of orbital angular momentum and wavelength in metasurfaces based on arbitrary complex-amplitude control
Due to its unbounded and orthogonal modes, the orbital angular momentum (OAM) is regarded as a key optical degree of freedom (DoF) for future...
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Orbital angular momentum lasers
Light can be tailored to carry angular momentum well beyond the restriction of its two spin states, left- and right-circularly polarized light, by...
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Wave-momentum sha** for moving objects in heterogeneous and dynamic media
Light and sound waves can move objects through the transfer of linear or angular momentum, which has led to the development of optical and acoustic...
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Multiplication of the orbital angular momentum of phonon polaritons via sublinear dispersion
Optical vortices (OVs) promise to greatly enhance optical information capacity via orbital angular momentum multiplexing. The need for the on-chip...
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Vortex-dependent spin angular momentum in tight focusing of power-exponent azimuthal-variant beams
Unlike the traditional cylindrical vector beams, the power-exponent azimuthal-variant (PEAV) vector beams possess the non-axisymmetric polarization...
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Radii and Momentum Distribution of Unstable Nuclei
The neutron and proton distributions that define the dimension, i.e., radii of nuclei are fundamental properties determining the localization of...
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Dark photon production via elastic proton bremsstrahlung with non-zero momentum transfer
We explore hypothetical vector particles, dark photons γ ′, which mix with the Standard Model photons and thus mediate interactions with charged...
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A decomposition of light’s spin angular momentum density
Light carries intrinsic spin angular momentum (SAM) when the electric or magnetic field vector rotates over time. A familiar vector equation...
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Angular momentum holography via a minimalist metasurface for optical nested encryption
Metasurfaces can perform high-performance multi-functional integration by manipulating the abundant physical dimensions of light, demonstrating great...
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Super-reflector enabled by non-interleaved spin-momentum-multiplexed metasurface
Electromagnetic wave multiplexing, especially for that occurring at different incidences (spatial-frequency multiplexing), is pivotal for ultrathin...
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Controlling the TE-TM splitting of topological photonic interface states by precise incident angle adjustment
Topological phases in photonic systems have garnered significant attention, often relying on precise structural design for generating non-trivial...
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Transverse Momentum Distribution of Secondary Particles in High-Energy Collisions of Protons and Nuclei and the Possibility of Detecting Dark Matter Particles in the Spectra of Soft Photons
AbstractThe transverse momentum distributions of Λ hyperons and D mesons produced in pp and PbPb collisions at ultrarelativistic energies were found...
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Relativistic approach to Balazs’s thought experiment and the Abraham’s form of photon momentum in medium
A relativistic approach to the well-known Balazs’s thought experiment is presented. Being contradictory to the special theory of relativity, the...
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Angular Momentum
In 1927, Wolfgang Pauli found a theoretical explanation for the Stern-Gerlach experiments. In these experiments a beam of electrons is deflected by a...
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Momentum-dependent intraband high harmonic generation in a photodoped indirect semiconductor
Nonlinear optical response of solid-state materials exposed to strong non-resonant light fields leads to the generation of harmonic frequencies as a...
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Momentum considerations inside near-zero index materials
Near-zero index (NZI) materials, i.e., materials having a phase refractive index close to zero, are known to enhance or inhibit light-matter...
