50 results on '"Fernández, Francisco M."'
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2. On some one-dimensional quantum-mechanical models with a delta-potential interaction
3. Algebraic analysis of non-Hermitian quadratic Hamiltonians
4. On the interaction of a magnetic quadrupole moment with an electric field in a rotating frame
5. Extremely broken generalized $\mathcal{PT}$ symmetry
6. On the application of the Adomian-based methods
7. Quantum particles in a suddenly accelerating potential
8. On the Q-BOR-FDTD method
9. On the Rayleigh-Ritz variational method
10. On the misinterpretation of conditionally-solvable quantum-mechanical problems
11. On the effective secular equation
12. On the problem of the vanishing discriminant
13. On the quantum-mechanical singular harmonic oscillator
14. Comment on: 'Aharonov-Bohm effect for bound states from the interaction of the magnetic quadrupole moment of a neutral particle with axial fields'. Phys. Rev. A 101, 032102 (2020)
15. Symmetry and degeneracy, exceptional point and coalescence: a pedagogical approach
16. Comment on 'Eigenstate clustering around exceptional points'
17. Comment on: 'Bound states for a Coulomb-type potential induced by the interaction between a moving electric quadrupole moment and a magnetic field'. Ann. Phys. 341 (2014) 86
18. Comment on: 'On the Dirac oscillator subject to a Coulomb-type central potential induced by the Lorentz symmetry violation'
19. On the Majorana solution to the Thomas-Fermi equation
20. Comment on: 'Threading dislocation densities in semiconductor crystals: A geometric approach'. Phys. Lett. A 376 (2012) 2838-2841
21. Comment on: 'Quantum aspects of the Lorentz symmetry violation on an electron in a nonuniform electric field' Eur. Phys. J. Plus (2020) 135:623
22. Comment on: 'On the effects of the Lorentz symmetry violation yielded by a tensor field on the interaction of a scalar particle and a Coulomb-type field' Ann. Phys. 399 (2018) 117-123
23. On the spectra of coupled harmonic oscillators
24. Comment on: 'Relativistic quantum dynamics of a charged particle in cosmic string spacetime in the presence of magnetic field and scalar potential'. Eur. Phys. J. C (2012) 72:2051
25. On the Hellmann-Feynman theorem for degenerate states
26. Comment on: 'Tunneling of coupled methyl quantum rotors in 4-methylpyridine: Single rotor potential versus coupling interaction'. J. Chem. Phys. \textbf{147}, 194303 (2017)
27. On the spectrum of an oscillator in a magnetic field
28. Quantum particles in a suddenly moving localized potential
29. On a model for rotational tunneling with a $C_{6}$-space-time symetric analog
30. A pedagogical description of diabatic and adiabatic molecular processes
31. Simple model for Crystal Field Theory
32. Tight upper and lower bounds to the eigenvalues and critical parameters of a double well
33. Bound states in weakly deformed waveguides: numerical vs analytical results
34. On the construction of pseudo-Hermitian Hamiltonians by means of similarity transformations
35. On recent calculations of resonances for the Stark effect in hydrogen
36. Generalization of parity-time and partial parity-time symmetry
37. Algebraic treatment of $\mathcal{PT}$-symmetric coupled oscillators
38. Non-Hermitian oscillators with $T_{d}$ symmetry
39. On the eigenvalues of some non-Hermitian Hamiltonians with space-time symmetry
40. On the symmetry of the quantum-mechanical particle in a cubic box
41. PT-symmetry broken by point-group symmetry
42. On the uncertainty relations for an electron in a constant magnetic field
43. Comment on: 'Numerical estimates of the spectrum for anharmonic PT symmetric potentials' [Phys. Scr. \textbf{85} (2012) 065005]
44. Particle correlation from uncorrelated non Born-Oppenheimer SCF wavefunctions
45. On certain sum rules for the hydrogen atom
46. Quantum scattering by Wronskians
47. On a simple approach to nonlinear oscillators
48. HAM and HPM: Another attack to reason
49. Nonsensical models for quantum dots
50. Born-Oppenheimer approximation for a harmonic molecule
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