First-principles path-integral renormalization-group method for Coulombic many-body systems Export

@article{citeulike:6047406, abstract = {An approach for obtaining the ground state of Coulombic many-body systems is presented. This approach is based on the path-integral renormalization-group method with nonorthogonal Slater determinants, is free of the negative sign problem, and can handle higher dimensional systems with consideration of the correlation effect. Furthermore, it can be easily extended to the multicomponent quantum systems that contain more than two kinds of quantum particles. According to our results obtained with the present approach, it achieves the same accuracy as the variational Monte Carlo method with a few Slater determinants and enables us to study the entire ground state consisting of electrons and nuclei without the need to use the Born-Oppenheimer approximation.}, author = {Kojo, Masashi and Hirose, Kikuji}, citeulike-article-id = {6047406}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PLRAAN000080000004042515000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRA/v80/e042515}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevA.80.042515}, day = {23}, doi = {10.1103/PhysRevA.80.042515}, journal = {Physical Review A (Atomic, Molecular, and Optical Physics)}, keywords = {analytic, coulomb, many-body, model, path-integrap, renormalization, system}, month = {October}, number = {4}, pages = {042515+}, posted-at = {2009-10-31 07:35:57}, priority = {2}, publisher = {APS}, title = {First-principles path-integral renormalization-group method for Coulombic many-body systems}, url = {http://dx.doi.org/10.1103/PhysRevA.80.042515}, volume = {80}, year = {2009} }

TY - JOUR ID - citeulike:6047406 L3 - citeulike-article-id:6047406 N2 - An approach for obtaining the ground state of Coulombic many-body systems is presented. This approach is based on the path-integral renormalization-group method with nonorthogonal Slater determinants, is free of the negative sign problem, and can handle higher dimensional systems with consideration of the correlation effect. Furthermore, it can be easily extended to the multicomponent quantum systems that contain more than two kinds of quantum particles. According to our results obtained with the present approach, it achieves the same accuracy as the variational Monte Carlo method with a few Slater determinants and enables us to study the entire ground state consisting of electrons and nuclei without the need to use the Born-Oppenheimer approximation. IS - 4 JF - Physical Review A (Atomic, Molecular, and Optical Physics) TI - First-principles path-integral renormalization-group method for Coulombic many-body systems PB - APS VL - 80 SP - 042515 KW - analytic KW - coulomb KW - many-body KW - model KW - path-integrap KW - renormalization KW - system AU - Kojo, Masashi AU - Hirose, Kikuji PY - 2009/10/23/ UR - http://dx.doi.org/10.1103/PhysRevA.80.042515 ER -