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Related Experiment Video

Updated: Feb 4, 2026

The Joint Effect of Social Comparison and Social Distance on Evaluation of Intertemporal Choice Outcomes in Event-related Potential Studies
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A new comparison theorem on Hellmann potential.

K D Sen1, Debjit Mandal2

  • 1School of Chemistry, University of Hyderabad, Hyderabad, 500046, India. kds77@uohyd.ac.in.

Journal of Molecular Modeling
|September 30, 2018
PubMed
Summary
This summary is machine-generated.

The spherical Hellmann potential

Keywords:
Comparison theorem, pseudopotentialsHellmann potentialScreened coulomb potentialYukawa potential

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Area of Science:

  • Quantum mechanics and atomic physics.

Background:

  • Screened Coulomb potentials are crucial for modeling atomic and molecular systems.
  • The relative ordering of energy levels in these potentials is important for understanding spectral properties.

Purpose of the Study:

  • To establish the hierarchical ordering of the spherical Hellmann potential relative to standard screened Coulomb potentials.
  • To extend existing comparison theorems for screened Coulomb potentials to include the Hellmann potential.

Main Methods:

  • Utilized basic inequalities to determine the relative ordering of potentials.
  • Expanded a known comparison theorem for screened Coulomb potentials.
  • Performed analytical derivations and supported them with numerical calculations.

Main Results:

  • The spherical Hellmann potential is definitively placed within the hierarchy of screened Coulomb potentials at all radial distances.
  • The energy levels of nℓ-states for the Hellmann potential are comparatively ordered with respect to screened Coulomb potentials.
  • Analytical findings are validated through numerical computations.

Conclusions:

  • The study provides a comprehensive framework for comparing the Hellmann potential with screened Coulomb potentials.
  • The expanded comparison theorem offers new insights into the energy level ordering of quantum systems.
  • This work contributes to a deeper understanding of inter-particle interactions in various physical contexts.