<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Eliav, Ephraim</style></author><author><style face="normal" font="default" size="100%">Borschevsky, Anastasia</style></author><author><style face="normal" font="default" size="100%">Shamasundar, K. R.</style></author><author><style face="normal" font="default" size="100%">Pal, Sourav</style></author><author><style face="normal" font="default" size="100%">Kaldor, Uzi</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Intermediate hamiltonian hilbert space coupled cluster method: theory and pilot application</style></title><secondary-title><style face="normal" font="default" size="100%">International Journal of Quantum Chemistry</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">coupled cluster</style></keyword><keyword><style  face="normal" font="default" size="100%">Hilbert space</style></keyword><keyword><style  face="normal" font="default" size="100%">intermediate Hamiltonian</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">NOV</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">13</style></number><publisher><style face="normal" font="default" size="100%">JOHN WILEY &amp; SONS INC</style></publisher><pub-location><style face="normal" font="default" size="100%">111 RIVER ST, HOBOKEN, NJ 07030 USA</style></pub-location><volume><style face="normal" font="default" size="100%">109</style></volume><pages><style face="normal" font="default" size="100%">2909-2915</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The intermediate Hamiltonian state universal (Hilbert-space) coupled-cluster method is presented, using a formalism similar to that developed for the valence universal (Fock-space) approach. The method is expected to be applicable to many states not accessible by traditional multiroot multireference all-order size-extensive approaches. A pilot application to excited states of atomic beryllium shows good convergence and agreement with experiment and full CI values. (C) 2009 Wiley Periodicals, Inc. Int J Quantum Chem 109: 2909-2915, 2009&lt;/p&gt;</style></abstract><issue><style face="normal" font="default" size="100%">13</style></issue><custom3><style face="normal" font="default" size="100%">Foreign</style></custom3><custom4><style face="normal" font="default" size="100%">1.302</style></custom4></record></records></xml>