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Monopole-antimonopole: interaction, scattering and creation.

Ayush Saurabh1, Tanmay Vachaspati1

  • 1Physics Department, Arizona State University, Tempe, AZ, 85287, USA.

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|November 12, 2019
PubMed
Summary

Magnetic monopole-antimonopole interactions, influenced by separation and a novel twist degree of freedom, create non-annihilating bound states called sphalerons. This interaction prevents annihilation and leads to unique scattering behaviors.

Keywords:
magnetic monopolesphalerontopological solitons

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Area of Science:

  • Theoretical physics
  • High-energy physics
  • Topological field theory

Background:

  • The behavior of magnetic monopoles and their interactions are key areas of study in theoretical physics.
  • Understanding topological defects and their properties is crucial for various physical phenomena.

Purpose of the Study:

  • To investigate the interaction dynamics of magnetic monopole-antimonopole pairs.
  • To explore the role of a novel 'twist' degree of freedom in these interactions.
  • To analyze the formation of bound states (sphalerons) and scattering phenomena.

Main Methods:

  • Theoretical analysis of monopole-antimonopole pair interactions.
  • Numerical simulations of gauge wave collisions and pair production.
  • Exploration of the Abelian-Higgs model for related phenomena.

Main Results:

  • A novel interaction dependent on separation and a twist degree of freedom was identified.
  • This interaction leads to non-annihilating sphaleron bound states and unique scattering.
  • Gauge wave collisions produce monopole-antimonopole pairs, and similar scatterings in the Abelian-Higgs model produce string loops.

Conclusions:

  • The twist degree of freedom fundamentally alters monopole-antimonopole interactions, preventing annihilation.
  • Sphalerons represent a significant non-trivial bound state solution arising from this interaction.
  • The findings have potential implications for understanding topological phenomena in physics, including potential links to superconductivity and electroweak processes.