微枝末节
发表于 2025-3-25 06:06:35
Discrete Spectrum for a Periodic Schroedinger Operator Perturbed by a Decreasing PotentialOne studies a periodic Schroedinger operator in L.(ℝ) perturbed by a potential decreasing at infinity in the mean.Criteria of infinitude and finiteness of the discrete spectrum in gaps are given. Similar results for a semiinfinite gap of the perturbed periodic Schroedinger operator in L.(ℝ.),n≥3, are obtained.
TEN
发表于 2025-3-25 10:51:10
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排他
发表于 2025-3-25 14:52:53
WKB-Approximations from the Perturbation Theory ViewpointIn this work analogs of the classical WKB-approximation theorems covering nonsmooth, rapidly growing and oscillating potentials are obtained.
Chronological
发表于 2025-3-25 18:23:43
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limber
发表于 2025-3-25 22:48:21
Representation of the Three-Body S-Matrix in Terms of Effective AmplitudesIn tie triangle representation of three-body scattering problem in ℝ., a relation between effective amplitudes and the three-body S-matrix for 2 → (2 , 3) processes is obtained.
使虚弱
发表于 2025-3-26 02:39:21
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花费
发表于 2025-3-26 05:08:08
978-3-0348-7308-6Birkhäuser Verlag Basel 1990
Lamina
发表于 2025-3-26 10:58:39
Order,Disorder and Chaos in Quantum Systems978-3-0348-7306-2Series ISSN 0255-0156 Series E-ISSN 2296-4878
打火石
发表于 2025-3-26 16:12:36
Asymptotics of the Discrete Spectrum of Hamiltonians of Quantum Systems with a Homogeneous Magnetic ich are less than µ.+λ, using similarestimates of effective one-particle operators; here µ. is the bottom of the essential spectrum of the symmetry α, λ<0 Using these estimates we have got the asymptotics of N. (µ.+λ) as λ→−0.
hemorrhage
发表于 2025-3-26 20:00:33
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