Geodesic
On the ambiguous treatment of the Schrödinger equation for the infinite potential well and an alternative via flat solutions: The one-dimensional case
Jesús Ildefonso Díaz1
1Universidad Complutense de Madrid, Spain
Interfaces and free boundaries, Tome 17 (2015) no. 3, pp. 333-351

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DOI

An ambiguity in the mathematical treatment of the study of bound state solutions of the Schrödinger equation for infinite well type potentials (studied for the first time in a pioneering article of 1928 by G. Gamow) is pointed out. An alternative to prove a similar “localizing effect” is here offered “in terms Hardy type potentials” with the distance to the boundary as a variable. The existence of flat solutions (with zero normal derivative at the boundary) and solutions with compact support is here obtained by first time in the literature for elliptic problems for this kind of linear equations
DOI : 10.4171/ifb/345
Classification : 81-XX, 34-XX, 35-XX
Mots-clés : Schrödinger equation, infinite well potential, Hardy potentials, sublinear eigenvalue type problem, flat solution, solution with compact support

Jesús Ildefonso Díaz  1

1 Universidad Complutense de Madrid, Spain 
Jesús Ildefonso Díaz. On the ambiguous treatment of the Schrödinger equation for the infinite potential well and an alternative via flat solutions: The one-dimensional case. Interfaces and free boundaries, Tome 17 (2015) no. 3, pp. 333-351. doi: 10.4171/ifb/345
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     author = {Jes\'us Ildefonso D{\'\i}az},
     title = {On the ambiguous treatment of the {Schr\"odinger} equation for the infinite potential well and an alternative via flat solutions: {The} one-dimensional case},
     journal = {Interfaces and free boundaries},
     pages = {333--351},
     year = {2015},
     volume = {17},
     number = {3},
     doi = {10.4171/ifb/345},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/345/}
}
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