2008
DOI: 10.1007/s11005-008-0258-3
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On the Number of Negative Eigenvalues of a Schrödinger Operator with Point Interactions

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Cited by 16 publications
(22 citation statements)
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“…Finally in this section, we emphasize that L is a discrete analogue of the point-interaction Hamiltonian H on R d , which is discussed in [1,2,9,10] and in a lot of literature; H is a Schrödinger operator with pseudo-potentials…”
Section: Introduction and Main Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Finally in this section, we emphasize that L is a discrete analogue of the point-interaction Hamiltonian H on R d , which is discussed in [1,2,9,10] and in a lot of literature; H is a Schrödinger operator with pseudo-potentials…”
Section: Introduction and Main Resultsmentioning
confidence: 99%
“…We can prove Theorem 4.3 by virtue of Theorem 4.1, Theorem 1.1 and the following theorem about H; Theorem 4.5 (Theorem 1 in [10]). We have that…”
Section: The Number Of the Discrete Eigenvaluesmentioning
confidence: 99%
“…In the case of a Schrödinger operator with δ-interactions, the problem of estimating the number of negative eigenvalues is rather nontrivial, even in the case of finitely many point interactions. For further details we refer to, e.g., [3], [4], [22], [31], [33], and [38].…”
Section: Negative Spectrummentioning
confidence: 99%
“…Schrödinger operators with singular δ-type interactions supported on discrete sets, curves and surfaces are used for the description of quantum mechanical systems with a certain degree of idealization. The spectral properties of Schrödinger operators with δ and δ ′ -interactions were investigated in numerous mathematical and physical articles in the recent past; we mention only [BN11, KM10,MS12,O10] for interactions on point sets, [CK11, EI01, EK08, EN03, EP12, K12, KV07] on curves, and [AKMN13, BLL13, EF09, EK03] for interactions on surfaces. For a survey and further references we refer the reader to [E08] and to the standard monograph [AGHH].…”
Section: Introductionmentioning
confidence: 99%