Many-body perturbation theories in modern quantum chemistry and nuclear physics

26-30th March                              PROGRAM

 


 

Organizers:  A. Tichai (CEA, ESNT, contact), E. Giner (Max Planck Institute, Stuttgart), T. Duguet (CEA, DPhN-contact)

 

The goals of the workshop are to:
1. educate nuclear physicists about the relevance of MBPT methods in modern quantum many-body calculations,
2. exchange ideas regarding state-of-the-art MBPT methods between quantum chemists and nuclear physicists,
3. identify the systems, observables and situations for which perturbative methods are appropriate,

4. discuss the merits and the efficiency of the various strategies to treat near-degenerate and degenerate systems via perturbative methods.

 

 

Exposés -TALKS- Invited speakers

PROGRAM

 

 

Introductory lectures on many-body perturbation theories (MBPT)


1. M. Nooijen, Princeton University
Introduction to the single reference many body perturbation theory and its diagrammatic representation
2. D. Cremer, Southern Methodist University
Historical and modern trends in many-body perturbation theory calculations
3. R. Roth, T. U. Darmstadt
Nuclear interactions and many-body perturbation theory: convergence, accuracy and sensitivity
4. C. Angeli, University of Ferrara
Basics of multi-reference many-body perturbation theories
5. T. Duguet, CEA/Saclay
Basics of symmetry broken and restored many-body perturbation theory

 

Talks


1. Application of MBPT to closed-shell systems

 

+ K. Hebeler, T. U. Darmstadt
Many-body perturbation theory calculations of infinite nuclear matter
+ F. R. Xu, Peking University
Many-body perturbation theory calculations of closed-shell nuclei
+ W. Klopper, Karlsruhe Institute of Technology
Explicitly correlated Møller-Plesset perturbation theory
+ P. Piecuch, Michigan State University
Perturbative corrections to non-perturbative methods
+ F. Hummel, Vienna University
Observable calculation in zero and finite-temperature Many-body perturbation theory


2. Multi-reference perturbation theories

 

+ A. Tichai, CEA, ESNT
Multi-configuration perturbation theory for open-shell nuclei
+ E. Giner, Max Planck Institute
A Jeziorski-Monkhorst fully uncontracted multi-Reference perturbative treatment
+ P. Arthuis, CEA/Saclay
Bogoliubov many-body perturbation theory for open-shell nuclei
+ I. Lindgren, University of Gothenburg
Fully covariant many-body perturbation theory
+ D. Cremer, Southern Methodist University
Low-order many-body perturbation theory calculations for very large molecules
+ F. Neese, Max Planck Institute
Explicitly correlated NEVPT2


3. Resummation of perturbation series

 

+ O. Costin, Ohio State University
Different methods to turn a divergent series into a convergent one
+ J. Toulouse, Jussieu University
Direct ring coupled cluster with range separated electronic interaction


4. Computational advances in MBPT


+ V. Khoromskaia, Max Planck Institute
MBPT2 energy correction using tensor factorization of the grid-based two-electron integrals
+ C. Ochsenfeld, Munich University
Perspectives on correlated linear-scaling methods

 

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