Quantum scattering on a delta potential in ghost-free theory

  title={Quantum scattering on a delta potential in ghost-free theory},
  author={J. Boos and V. Frolov and A. Zelnikov},
  journal={Physics Letters B},
  • J. Boos, V. Frolov, A. Zelnikov
  • Published 2018
  • Physics
  • Physics Letters B
  • Abstract We discuss the quantum-mechanical scattering of a massless scalar field on a δ -potential in a ghost-free theory and obtain analytic solutions for the scattering coefficients. Due to the non-locality of the ghost-free theory the transmission coefficient tends to unity for frequencies much larger than the inverse scale of non-locality, even for infinitely strong potentials. At the same time there exists a critical strength of the δ -potential barrier below which there is always a… CONTINUE READING

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