Benjamin Helmich

Local explicitly correlated second-order Møller-Plesset perturbation theory with pair natural orbitals.

D. Tew, C. Hättig, Benjamin Helmich, 2011, The Journal of chemical physics.

A pair natural orbital implementation of the coupled cluster model CC2 for excitation energies.

C. Hättig, Benjamin Helmich, 2013, The Journal of chemical physics.

Local pair natural orbitals for excited states.

Christof Hättig, Benjamin Helmich, C. Hättig, 2011, The Journal of chemical physics.

Local explicitly correlated second- and third-order Møller-Plesset perturbation theory with pair natural orbitals.

Christof Hättig, David P Tew, Benjamin Helmich, 2011, The Journal of chemical physics.

A pair natural orbital based implementation of ADC(2)-x: Perspectives and challenges for response methods for singly and doubly excited states in large molecules

C. Hättig, Benjamin Helmich, 2014 .

A scaling PNO–MP2 method using a hybrid OSV–PNO approach with an iterative direct generation of OSVs†

Gunnar Schmitz, C. Hättig, Benjamin Helmich, 2013 .

Similarity recognition of molecular structures by optimal atomic matching and rotational superposition

Marek Sierka, Benjamin Helmich, M. Sierka, 2012, J. Comput. Chem..

Structure and properties of bimetallic titanium and vanadium oxide clusters.

Joachim Sauer, Marek Sierka, Jens Döbler, 2014, Physical chemistry chemical physics : PCCP.