Speciality:
01.04.02 (Theoretical physics)
Keywords: System of two particles, scattering state, scattering cross section, scattering amplitude, phase shift, quasipotential equation, scattering form-factor, bound state, energy spectrum, decay constant, resonant state.
Subject:
Quantum theory of scattering states and bound states of relativistic two-particle systems.
Quantum theory of resonant states of two-particle systems.
Analytical and numerical methods for solving equations of quantum theory.
Main publications:
V.N. Kapshai, Yu.A. Grishechkin, “Relativistic equations with some point potentials”, Russian Physics Journal, 52:6 (2009), 554-563
Yu.A. Grishechkin, V.N. Kapshai, “Numerical solution of relativistic problems on bound states of systems of two spinless particles”, Russian Physics Journal, 56:4 (2013), 435-443
Yu.A. Grishechkin, V.N. Kapshai, “Solution of the Logunov–Tavkhelidze Equation for the Three-Dimensional Oscillator Potential in the Relativistic Configuration Representation”, Russian Physics Journal, 61:9 (2018), 1645-1652
