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Related Concept Videos

Chirality in Nature02:30

Chirality in Nature

Chirality is the most intriguing yet essential facet of nature, governing life’s biochemical processes and precision. It can be observed from a snail shell pattern in a macroscopic world to an amino acid, the minutest building block of life. Most of the snails around the world have right-coiled shells because of the intrinsic chirality in their genes. All the amino acids present in the human body exist in an enantiomerically pure state, except for glycine - the sole achiral amino acid. The...
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Chirality is a term that describes the lack of mirror symmetry in an object. In other words, chiral objects cannot be superposed on their mirror images. For example, our feet are chiral, as the mirror image of the left foot, the right foot, cannot be superposed on the left foot.
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Coulomb Explosion Imaging as a Tool to Distinguish Between Stereoisomers
08:51

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Published on: August 18, 2017

Chiral kinetic theory.

M A Stephanov1, Y Yin

  • 1Department of Physics, University of Illinois, Chicago, Illinois 60607, USA.

Physical Review Letters
|December 11, 2012
PubMed
Summary
This summary is machine-generated.

We derived a kinetic equation for classical chiral massless particles. A Berry monopole arising from level crossing explains the chiral magnetic and vortical effects.

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Area of Science:

  • High-energy physics
  • Condensed matter theory
  • Quantum field theory

Background:

  • Chiral particles exhibit unique behaviors in various physical systems.
  • Understanding nonequilibrium dynamics is crucial for describing particle motion under specific conditions.
  • The interplay between topology and particle dynamics can lead to exotic phenomena.

Purpose of the Study:

  • To derive a classical kinetic equation for chiral massless particles.
  • To investigate the origin of chiral magnetic and vortical effects.
  • To elucidate the role of topological phenomena in particle dynamics.

Main Methods:

  • Derivation of a nonequilibrium kinetic equation.
  • Analysis of particle motion in momentum space.
  • Identification of topological features like the Berry monopole.

Main Results:

  • A classical kinetic equation for chiral massless particles was successfully derived.
  • The Berry monopole, originating from level crossing in momentum space, was identified.
  • The Berry monopole was shown to be the cause of the chiral magnetic and vortical effects.

Conclusions:

  • The derived kinetic equation accurately describes the classical motion of chiral massless particles.
  • Topological phenomena, specifically the Berry monopole, play a fundamental role in generating chiral magnetic and vortical effects.
  • This work provides a theoretical framework for understanding these effects in systems with chiral particles.