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Program

Our workshop in Heidelberg will be from Monday morning the 7-th of October 2019 to Friday the 11-th at lunch time. The program includes alternating theory sessions with lectures and hands-on tutorials. We expect participants to arrive on Sunday evening (or Monday morning early) and leave on Friday.


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Sunday 6-10-2019
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Monday 7-10-2019
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Tuesday 8-10-2019
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Wednesday 9-10-2019
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Thursday 10-10-2019
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Friday 11-10-2019
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9:00 - 10:30 Lecture F. de Groot
Introduction to core level spectroscopy and theoretical models. Spectroscopy types, edges, level of theory
Background literature

Powerpoints

Codes
CTM4XAS
CTM4DOC
Quanty4RIXS
Lecture F. de Groot
Experimental questions (why core level spectroscopy)
Background literature

Powerpoints
Lecture A. Juhin
Density functional theory and K-edges
Background literature

Powerpoints

Lecture A. Juhin
Polarization and dichroism
Background literature

Powerpoints
Lecture M. W. Haverkort
Multi-scale modelling of RIXS.
Background literature

Powerpoints
10:30 - 11:00 Coffee Coffee Coffee Coffee Coffee
11:00 - 12:30 Hands-on tutorials
Introduction to Quanty, a many-body script language. (Orbitals, Slater-determinants, many-particle eigenstates, configuration interaction, restricted active space, Green’s functions)
Background literature
Lua Reference Manual
Powerpoints

Tutorials

Hands-on tutorials
Ligand field theory
Powerpoints

Tutorials

Hands-on tutorials
Density functional theory calculation of NiO and CrF4: bands, DOS, Wannier functions, Molecular orbitals, ligand orbitals
Tutorials

Hands-on tutorials
Polarization dependence and tensor formulation of XAS, RIXS and NIXS
Tutorials
Hands-on tutorials
Multi-scale modelling of RIXS. Magnon dispersion in NiO and EuO as seen with RIXS
tutorials

12:30 - 13:30 Lunch Lunch Lunch Lunch Lunch
13:30 - 15:00 Lecture M.-A. Arrio
Crystal-field theory and multiplets
Background literature

Powerpoints

Lecture M. Retegan
Calculations using Crispy, a graphical interface
Codes
Crispy
Powerpoints
Lecture M. W. Haverkort
Ab initio many-body techniques
Background literature

Powerpoints
M. W. Haverkort
Ab initio many-body techniques
Powerpoints
From density functional theory via tight binding and Wannier functions to multiplet ligand field theory
Departure
15:00 - 15:30 Coffee Coffee Coffee Coffee
15:30 - 17:00 Hands-on tutorials
Ground-state calculations: Energy level diagram, finite temperature, magnetic susceptibility of NiO in the crystal-field approximation
Background literature
Tables of Crystal-field potentials in the different point-groups
powerpoints
The size of spin orbit coupling and some other background on spin-orbit interaction
tutorials
tutorials crystal field theory, temperature and magnetism
Hands-on tutorials
X-ray spectroscopy of NiO in the ligand-field approximation (XAS, PES, RXD, NIXS, RIXS)
Tutorials
tutorials NiO Ligand field approximation
Hands-on tutorials
Calculations using Crispy
Hands-on tutorials
From DFT to MLFT
powerpoints
From DFT to MLFT
tutorials
LDA+MLFT for NiO and CrF4
tutorial including the DFT results - you do not need FPLO to run these
Arrival
18:00 - … Free evening program Poster session
Time for the participants to present their own research.
Free evening program Free evening program

Posters

Feel free to bring your poster on Monday morning and place it on one of the walls of our institute.

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