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Space-Time Curvature and the General Theory of Relativity01:17

Space-Time Curvature and the General Theory of Relativity

In 1905, Albert Einstein published his special theory of relativity. According to this theory, no matter in the universe can attain a speed greater than the speed of light in a vacuum, which thus serves as the speed limit of the universe.
This has been verified in many experiments. However, space and time are no longer absolute. Two observers moving relative to one another do not agree on the length of objects or the passage of time. The mechanics of objects based on Newton's laws of motion,...
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A stationary charge creates and interacts with the electric field, while a moving charge creates a magnetic field.
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Potential Due to a Magnetized Object01:24

Potential Due to a Magnetized Object

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Related Experiment Video

Updated: May 8, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
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Published on: January 28, 2019

Spatial modulation and topological current in holographic QCD matter.

Kenji Fukushima1, Pablo A Morales

  • 1Department of Physics, Keio University, Kanagawa 223-8522, Japan.

Physical Review Letters
|August 20, 2013
PubMed
Summary

The axial-vector interaction

Area of Science:

  • Nuclear Physics
  • Quantum Chromodynamics

Background:

  • The behavior of quark matter under extreme conditions is crucial for understanding neutron stars and the early universe.
  • Axial-vector interactions play a significant role in the properties of dense nuclear matter.

Purpose of the Study:

  • To investigate the influence of the axial-vector interaction on the spatial modulation of quark matter.
  • To analyze how magnetic fields and baryon density affect this interaction.

Main Methods:

  • Utilizing the Sakai-Sugimoto model, a theoretical framework for quantum chromodynamics.
  • Analyzing the interplay between magnetic fields, baryon density, and topological axial currents.

Main Results:

  • A magnetic field coupled with baryon density enhances the axial-vector interaction via a topological axial current.

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Last Updated: May 8, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
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Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
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Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

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Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

  • Contrary to expectations, a stronger magnetic field disfavors the spatially modulated phase of quark matter.

    • Conclusions:

    • The presence of a topological current, induced by magnetic fields and baryon density, significantly alters the spatial modulation of quark matter.
    • The study reveals a non-intuitive relationship between magnetic field strength and the favored phase of quark matter.