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Found 3,373 Documents (Results 1–100)

Conditions for the existence of eigenvalues of a three-particle lattice model Hamiltonian. (English. Russian original) Zbl 07806510

Russ. Math. 67, No. 7, 1-8 (2023); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2023, No. 7, 3-12 (2023).
MSC:  81Qxx 47Nxx 47Axx
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Convergent perturbation theory and the strong-coupling limit in quantum electrodynamics. (English. Russian original) Zbl 1521.81448

Theor. Math. Phys. 216, No. 3, 1360-1372 (2023); translation from Teor. Mat. Fiz. 216, No. 3, 532-547 (2023).
MSC:  81V05 81V10 81T15
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Evolution of spherical perturbations in the cosmological environment of degenerate scalar-charged fermions with a scalar Higgs coupling. (English. Russian original) Zbl 07723441

Theor. Math. Phys. 215, No. 3, 862-892 (2023); translation from Teor. Mat. Fiz. 215, No. 3, 465-499 (2023).
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Quantum Coulomb problem in a Gaussian time-dependent electric field within the path integral formalism. (English. Russian original) Zbl 1523.81118

Theor. Math. Phys. 215, No. 1, 551-559 (2023); translation from Teor. Mat. Fiz. 215, No. 1, 111-120 (2023).
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