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On some classes of exactly-solvable Klein–Gordon equations

2005; Elsevier BV; Volume: 349; Issue: 5 Linguagem: Inglês

10.1016/j.physleta.2005.09.056

1873-2429

A. de Souza Dutra, G. Chen,

Nonlinear Waves and Solitons

In this work we discuss some exactly solvable Klein–Gordon equations. We basically discuss the existence of classes of potentials with different nonrelativistic limits, but which shares the intermediate effective Schroedinger differential equation. We comment about the possible use of relativistic exact solutions as approximations for nonrelativistic inexact potentials.