Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Symmetric Member in Bending01:07

Symmetric Member in Bending

190
In the study of the mechanics of materials, analyzing the behavior of prismatic members under opposing couples is crucial for understanding internal stress distributions, which are essential for structural design. When subjected to couples, a prismatic member experiences internal forces that maintain equilibrium. A couple, characterized by two equal and opposite forces, creates a moment but no resultant force. The internal forces at any section cut of the member must balance these external...
190
Unsymmetric Bending - Angle of Neutral Axis01:15

Unsymmetric Bending - Angle of Neutral Axis

333
Unsymmetrical bending occurs when a structural member is subjected to bending moments in a plane that does not align with the member's principal axes. This scenario typically arises in beams and other structural components when loads are applied at non-ideal angles, introducing complexities in stress analysis.
When a bending moment is applied at an angle θ concerning the vertical axis of a symmetrical member, it can be resolved into components along the member's principal...
333
Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)01:20

Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)

1.1K
Two NMR-active nuclei bonded to a central atom can be involved in geminal or two-bond coupling. Geminal coupling is commonly seen between diastereotopic protons in chiral molecules and unsymmetrical alkenes, among others.
The central atom need not be NMR-active because its electrons are affected by the electron polarization of the spin-active atoms. However, spin information is transmitted less effectively than in one-bond coupling, and 2J values are usually weaker than 1J values. The energy of...
1.1K
Angle of Twist: Problem Solving01:13

Angle of Twist: Problem Solving

323
An electric motor applies a torque of 700 N·m to an aluminum shaft, triggering a stable rotation. Two pulleys, B and C, are subjected to torques of 300 N·m and 400 N·m, respectively. The modulus of rigidity is provided as 25 GPa. With the knowledge of the length and diameter of each segment, the twist angle between the two pulleys can be computed. First, a section cut is made between pulleys B and C, and the cut cross-section is analyzed using a free-body diagram. Given that the...
323
Gauss's Law: Planar Symmetry01:27

Gauss's Law: Planar Symmetry

8.0K
A planar symmetry of charge density is obtained when charges are uniformly spread over a large flat surface. In planar symmetry, all points in a plane parallel to the plane of charge are identical with respect to the charges. Suppose the plane of the charge distribution is the xy-plane, and the electric field at a space point P with coordinates (x, y, z) is to be determined. Since the charge density is the same at all (x, y) - coordinates in the z = 0 plane, by symmetry, the electric field at P...
8.0K
Rotation of Asymmetric Top01:11

Rotation of Asymmetric Top

931
By definition, a spherically symmetric body has the same moment of inertia about any axis passing through its center of mass. This situation changes if there is no spherical symmetry. Since most rigid bodies are not spherically symmetric, these require special treatment.
The relationship between the angular momentum of any rigid body and its angular velocity, both of which are vectors, involves the moment of inertia. The moment of inertia is a scalar quantity only for spherically symmetric...
931

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Quark-like modes of fractional orbital angular momentum.

Science bulletin·2026
Same author

On-Chip Asymmetric Steering of Phonon Polaritons via Grating-Driven Twisted α-Phase Molybdenum Trioxide Bilayers.

Nano letters·2026
Same author

Observation of Gapless Spectral Flows in Elastic Metamaterials with Synthetic Dimension.

Physical review letters·2026
Same author

Endoscopic submucosal dissection for early gastric cancer and precancerous lesions enhances postoperative recovery and mitigates complication risks.

World journal of gastrointestinal surgery·2025
Same author

Manifold optics.

Optics letters·2025
Same author

Topology in Thermal, Particle, and Plasma Diffusion Metamaterials.

Chemical reviews·2025
Same journal

Reassessing the Proposed Creatine-PrP Axis in Endometriosis: Methodological and Mechanistic Considerations.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same journal

IL-7R-Enriched Extracellular Vesicles From the Thymus Drive Colitis via Promoting Neutrophil Extracellular Trap Formation.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same journal

Oral Prebiotic Polysaccharide Hydrogels Sustaining Colon Antibody Release Alleviate Inflammatory Bowel Disease.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same journal

Systematic Phosphorus-Driven Structural and Field Engineering of n-a-Si:H for Flexible n-a-Si:H/Te Near-Infrared Photodetectors.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same journal

Chemically Gradient Ordered Nanodomains Enable Large Tensile Ductility in Gigapascal Lightweight Refractory High-Entropy Alloys.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same journal

Single-Molecule Characterization of Bacterial Factor-Dependent Transcription Activation by Rob.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
See all related articles

Related Experiment Video

Updated: Jul 16, 2025

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices
11:24

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

40

Geometric Phase in Twisted Topological Complementary Pair.

Kun Zhang1, Xiao Li1, Daxing Dong1

  • 1College of Physics, Key Laboratory of Aerospace Information Materials and Physics (MIIT), Nanjing University of Aeronautics and Astronautics (NUAA), Nanjing, 211106, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|September 22, 2023
PubMed
Summary
This summary is machine-generated.

A new method generates geometric phase using topological complementary pairs (TCPs), overcoming limitations of spin-orbit coupling for various wave systems. This approach enables precise wave manipulation in acoustics and beyond.

Keywords:
geometric phaseorbital angular momentumsubwavelength acousticstopological complementary pairtunable wave control

More Related Videos

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
13:44

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

Published on: August 30, 2013

42.9K
A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
00:07

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

8.5K

Related Experiment Videos

Last Updated: Jul 16, 2025

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices
11:24

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

40
Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
13:44

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

Published on: August 30, 2013

42.9K
A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
00:07

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

8.5K

Area of Science:

  • Optics and Acoustics
  • Wave Physics
  • Quantum Optics

Background:

  • Geometric phase is crucial in optics, typically relying on spin-orbit coupling.
  • Current methods are limited to circularly-polarized light and struggle with spin-less wave fields.

Purpose of the Study:

  • To introduce a novel paradigm for geometric phase generation.
  • To overcome the limitations of spin-dependent geometric phase.
  • To demonstrate universality across classical wave systems.

Main Methods:

  • Concept of topological complementary pairs (TCPs) with opposite topological charges.
  • Cyclic evolution of orbital-angular-momentum transformation in mode space.
  • Experimental demonstration using scalar acoustic waves.

Main Results:

  • Generation of linearly-varying geometric phase of arbitrary order.
  • Quantification of geometric phase by intrinsic topological charge.
  • Precise manipulation of acoustic waves at subwavelength scales.

Conclusions:

  • The proposed geometric phase is independent of spin and universally applicable to classical wave systems.
  • TCPs offer a new platform for wave-matter interaction and geometric phase exploration.
  • Significant opportunities for diverse applications in wave systems.