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Found 22 Documents (Results 1–22)

Threshold effects in a two-fermion system on an optical lattice. (English. Russian original) Zbl 1445.81019

Theor. Math. Phys. 203, No. 2, 648-663 (2020); translation from Teor. Mat. Fiz. 203, No. 2, 251-268 (2020).
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Threshold phenomena in the spectrum of the two-particle Schrödinger operator on a lattice. (English. Russian original) Zbl 1419.81012

Theor. Math. Phys. 198, No. 3, 363-375 (2019); translation from Teor. Mat. Fiz. 198, No. 3, 418-432 (2019).
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Bound states of the Schrödinger operator of a system of three bosons on a lattice. (English. Russian original) Zbl 1348.81238

Theor. Math. Phys. 188, No. 1, 994-1005 (2016); translation from Teor. Mat. Fiz. 188, No. 1, 36-48 (2016).
MSC:  81Q10 81V70 81Q35
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Positivity of eigenvalues of the two-particle Schrödinger operator on a lattice. (English. Russian original) Zbl 1298.81086

Theor. Math. Phys. 178, No. 3, 336-346 (2014); translation from Teor. Mat. Fiz. 178, No. 3, 390-402 (2014).
MSC:  81Q10 81Q35 39A12
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Existence and analyticity of bound states of a two-particle Schrödinger operator on a lattice. (English. Russian original) Zbl 1274.81084

Theor. Math. Phys. 170, No. 3, 326-340 (2012); translation from Teor. Mat. Fiz. 170, No. 3, 393-408 (2012).
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Spectral properties of the three-particle difference Schrödinger operator. (English. Russian original) Zbl 0951.35032

Funct. Anal. Appl. 33, No. 2, 151-153 (1999); translation from Funkts. Anal. Prilozh. 33, No. 2, 84-88 (1999).
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