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Kink Soliton Solutions in the Logarithmic Schrödinger Equation

Author

Listed:
  • Tony C. Scott

    (Institut für Physikalische Chemie, RWTH Aachen University, 52056 Aachen, Germany
    Current address: Sathorn St-View, 201/1 St Louise 1 Alley, Khwaeng Yan Nawa, Sathon, Bangkok 10120, Thailand.)

  • M. Lawrence Glasser

    (Department of Physics, Clarkson University, Potsdam, NY 13676, USA)

Abstract

We re-examine the mathematical properties of the kink and antikink soliton solutions to the Logarithmic Schrödinger Equation (LogSE), a nonlinear logarithmic version of the Schrödinger Equation incorporating Everett–Hirschman entropy. We devise successive approximations with increasing accuracy. From the most successful forms, we formulate an analytical solution that provides a very accurate solution to the LogSE. Finally, we consider combinations of such solutions to mathematically model kink and antikink bound states, which can serve as a possible candidate for modeling dilatonic quantum gravity states.

Suggested Citation

  • Tony C. Scott & M. Lawrence Glasser, 2025. "Kink Soliton Solutions in the Logarithmic Schrödinger Equation," Mathematics, MDPI, vol. 13(5), pages 1-12, March.
  • Handle: RePEc:gam:jmathe:v:13:y:2025:i:5:p:827-:d:1603293
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    References listed on IDEAS

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    1. K. Zloshchastiev, 2012. "Volume element structure and roton-maxon-phonon excitations in superfluid helium beyond the Gross-Pitaevskii approximation," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 85(8), pages 1-8, August.
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