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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Vector boson mass generation without new fields.

Bernd A Berg1

  • 1Department of Physics, Florida State University, Tallahassee, Florida 32306-4350, USA.

Physical Review Letters
|September 26, 2012
PubMed
Summary
This summary is machine-generated.

A new model featuring vector fields with U(1)⊗SU(2) symmetry yields a massless photon and massive SU(2) boson. Nonperturbative Monte Carlo calculations support a quantum continuum limit despite perturbative renormalization challenges.

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Area of Science:

  • Theoretical physics
  • Quantum field theory
  • Lattice regularization

Background:

  • A previous model of vector fields with local U(1)⊗SU(2) symmetry was established.
  • This model predicted a massless U(1) photon and a massive SU(2) vector boson using lattice regularization.

Purpose of the Study:

  • To investigate the quantization of the classical continuum action for the U(1)⊗SU(2) vector field model.
  • To determine if a quantum continuum limit exists for this model.

Main Methods:

  • Analysis of perturbative renormalization for the quantized action.
  • Nonperturbative Monte Carlo simulations.

Main Results:

  • Quantization of the classical continuum action encounters perturbative renormalization difficulties.
  • Nonperturbative Monte Carlo calculations indicate the existence of a quantum continuum limit.

Conclusions:

  • Despite challenges in perturbative renormalization, the model likely possesses a valid quantum continuum limit.
  • The findings suggest the model's potential for describing fundamental particle physics phenomena.