Calculations of three-nucleon reactions with N3LO chiral forces: achievements and challenges

H Witała, J Golak, R Skibiński… - Journal of Physics G …, 2014 - iopscience.iop.org
We discuss the application of the chiral N 3 LO forces to three-nucleon reactions and point to
the challenges which will have to be addressed. Present approaches to solve three-nucleon …

Two-nucleon systems in three dimensions

J Golak, W Glöckle, R Skibiński, H Witała… - Physical Review C …, 2010 - APS
A recently developed formulation for treating two-and three-nucleon bound states in a three-
dimensional formulation based on spin-momentum operators is extended to nucleon …

Two-nucleon scattering without partial waves using a momentum space Argonne V18 interaction

S Veerasamy, C Elster, WN Polyzou - Few-body systems, 2013 - Springer
We test the operator form of the Fourier transform of the Argonne V18 potential by computing
selected scattering observables and all Wolfenstein parameters for a variety of energies …

Different methods for the two-nucleon T-matrix in the operator form

J Golak, R Skibiński, H Witała, K Topolnicki… - Few-body …, 2012 - Springer
We compare three methods to calculate the nucleon–nucleon t-matrix based on the three-
dimensional formulation of Golak et al.(Phys Rev C 81: 034006, 2010). In the first place we …

Weighted-residual methods for the solution of two-particle Lippmann–Schwinger equation without partial-wave decomposition

ZC Kuruoğlu - Few-Body Systems, 2014 - Springer
Recently there has been a growing interest in computational methods for quantum scattering
equations that avoid the traditional decomposition of wave functions and scattering …

Finite-rank multivariate-basis expansions of the resolvent operator as a means of solving the multivariable lippmann–schwinger equation for two-particle scattering

ZC Kuruoğlu - Few-Body Systems, 2014 - Springer
Finite-rank expansions of the two-body resolvent operator are explored as a tool for
calculating the full three-dimensional two-body T-matrix without invoking the partial-wave …

Multi-variate Bateman method for two-body scattering without partial-wave decomposition

ZC Kuruoğlu - Journal of Mathematical Chemistry, 2014 - Springer
The use of Bateman method for solving the two-variable version of the two-body Lippmann–
Schwinger equation without recourse to partial-wave decomposition is investigated …

Direct numerical solution of the Lippmann-Schwinger equation in coordinate space without partial-wave decomposition

ZC Kuruoğlu - Physical Review E, 2016 - APS
Direct numerical solution of the coordinate-space integral-equation version of the two-
particle Lippmann-Schwinger (LS) equation is considered without invoking the traditional …

[PDF][PDF] Direct numerical solution of the Lippmann-Schwinger equation in coordinate space without partial-wave decomposition (extended version accepted for …

ZC Kuruoglu - researchgate.net
Expansion in angular-momentum states has hitherto been the usual ansatz for
computational approaches to quantum-mechanical scattering problems. However, a critical …

Direct numerical solution of the two-particle Lippmann-Schwinger equation in coordinate space using the multi-variable Nystrom method

ZC Kuruoglu - arXiv preprint arXiv:1604.01423, 2016 - arxiv.org
Direct numerical solution of the coordinate-space integral-equation version of the two-
particle Lippmann Schwinger (LS) equation is considered as a means of avoiding the …