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Related Experiment Videos

Optical potentials for inelastic scattering from many-body targets.

L S Cederbaum1

  • 1Theoretische Chemie, Universitat Heidelberg, Im Neuenheimer Feld 229, D-69120 Heidelberg, Germany.

Physical Review Letters
|October 6, 2000
PubMed
Summary

This study introduces inelastic Green's functions, extending the concept of optical potentials to inelastic scattering. These functions simplify complex many-body problems into solvable one-body scenarios, even for indistinguishable particles.

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Area of Science:

  • Theoretical Physics
  • Quantum Mechanics
  • Scattering Theory

Background:

  • Standard Green's functions use self-energy as an optical potential for elastic scattering.
  • Optical potentials simplify many-body scattering problems into one-body problems.

Purpose of the Study:

  • Introduce and discuss inelastic Green's functions.
  • Extend the concept of optical potentials to inelastic scattering processes.

Main Methods:

  • Development of inelastic Green's functions.
  • Analysis of their self-energies as optical potentials for inelastic scattering.

Main Results:

  • Inelastic Green's functions possess self-energies that act as optical potentials for inelastic scattering.

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  • Intriguing phenomena emerge for noninteracting particles when projectiles are indistinguishable from target particles.

    • Conclusions:

    • Inelastic Green's functions provide a framework for studying inelastic scattering.
    • The concept of optical potentials is successfully extended to inelastic processes, offering new insights.