Nonstandard expansion techniques for the effective potential in λ φ 4 quantum field theory A Okopińska
Physical Review D 35 (6), 1835, 1987
293 1987 Nonstandard expansion techniques for the finite-temperature effective potential in λ quantum field theory A Okopińska
Physical Review D 36 (8), 2415, 1987
72 1987 Optimized expansion in quantum field theory of massive fermions with (ψ¯ ψ) 2 interaction A Okopińska
Physical Review D 38 (8), 2507, 1988
51 1988 Non-standard perturbative methods for the effective potential in λφ4 QFT A Okopinska
International Centre for Theoretical Physics, 1986
39 1986 Accurate energy levels and partition function of a quantum-mechanical anharmonic oscillator A Okopińska
Physical Review D 36 (4), 1273, 1987
38 1987 Two-electron entanglement in elliptically deformed quantum dots P Kościk, A Okopińska
Physics Letters A 374 (37), 3841-3846, 2010
35 2010 Goldstone bosons in the Gaussian approximation A Okopińska
Physics Letters B 375 (1-4), 213-216, 1996
31 1996 Correlation effects in the Moshinsky model P Kościk, A Okopińska
Few-Body Systems 54 (7-10), 1637-1640, 2013
30 2013 Entanglement entropies in the ground states of helium-like atoms P Kościk, A Okopińska
Few-Body Systems 55, 1151-1157, 2014
28 2014 Optimized expansion for the effective action and multi-particle states in the scalar quantum field theory A Okopinska
Annals of Physics 228 (1), 19-42, 1993
23 1993 A simple alternative to the relativistic Breit–Wigner distribution F Giacosa, A Okopińska, V Shastry
The European Physical Journal A 57 (12), 336, 2021
21 2021 The optimized Rayleigh–Ritz scheme for determining the quantum-mechanical spectrum P Kościk, A Okopińska
Journal of Physics A: Mathematical and Theoretical 40 (35), 10851, 2007
17 2007 Fokker-Planck equation for bistable potential in the optimized expansion A Okopińska
Physical Review E 65 (6), 062101, 2002
14 2002 Entanglement properties of the two-electron quasi-one dimensional Gaussian quantum dot A Kuroś, A Okopińska
Few-Body Systems 56, 853-858, 2015
13 2015 Exact finite reduced density matrix and von Neumann entropy for the Calogero model O Osenda, FM Pont, A Okopińska, P Serra
Journal of Physics A: Mathematical and Theoretical 48 (48), 485301, 2015
13 2015 Quasi-exact solutions for two interacting electrons in two-dimensional anisotropic dots P Kościk, A Okopińska
Journal of Physics A: Mathematical and Theoretical 40 (5), 1045, 2007
12 2007 Application of the Fröbenius method to the Schrödinger equation for a spherically symmetric potential: an anharmonic oscillator P Kościk, A Okopińska
Journal of Physics A: Mathematical and General 38 (35), 7743, 2005
12 2005 Optimized perturbation method for the propagation in the anharmonic oscillator potential A Okopińska
Physics Letters A 249 (4), 259-264, 1998
10 1998 Determination of resonances by the optimized spectral approach A Kuroś, P Kościk, A Okopińska
Journal of Physics A: Mathematical and Theoretical 46 (8), 085303, 2013
9 2013 Correlation and entanglement measures in trapped few-particle systems A Okopińska
Journal of Physics: Conference Series 213 (1), 012004, 2010
9 2010