Geodesic
Dirac operator coupled to bosons
Nanosistemy: fizika, himiâ, matematika, Tome 7 (2016) no. 2, pp. 332-339.

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We consider a model of point-like interaction between electrons and bosons in a cavity. The electrons are relativistic and are described by a Dirac operator on a bounded interval while the bosons are treated by second quantization. The model fits into the extension theory of symmetric operators. Our main technical tool to handle the model is the so-called boundary triplet approach to extensions of symmetric operators. The approach allows explicit computation of the Weyl function.
Keywords: Dirac operator, operator extension, boundary triplet
Mots-clés : bosons, second quantization. 
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     author = {A. A. Boitsev and H. Neidhardt and I. Yu. Popov},
     title = {Dirac operator coupled to bosons},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {332--339},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2016_7_2_a5/}
}
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A. A. Boitsev; H. Neidhardt; I. Yu. Popov. Dirac operator coupled to bosons. Nanosistemy: fizika, himiâ, matematika, Tome 7 (2016) no. 2, pp. 332-339. http://geodesic.mathdoc.fr/item/NANO_2016_7_2_a5/