I am trying to write some code to automatically generate a judicious set of graphics from DFT/fn-DMC calculations so that users can sanity check their results quickly. My literature review has found that volume rendering of the wavefunctions is a good first choice, then isosurfaces of constant $|\psi|^2$, and Fermi surfaces where appropriate.

However, many of these visualization routines are computationally cheap, relative to the simulations, so the more ways to understand the simulation data, the merrier.

  • What are the awesome graphics you have seen in published literature that gave you unique insight into a quantum system?
  • What graphics should be co-produced with each simulation to make life easier for matter modelling practitioners?

Just to get things started:

Here is a paper with nice graphics (see Figure 5); it looks to my untrained eye like they are creating "widened Fermi surfaces" similar to the result of ARPES measurements.

enter image description here

2D systems (e.g. Figure 3) allow some more interesting band structure visualizations; although I imagine this is possible in 3D if we slice through a lattice plane.

enter image description here

Plotting the unit cell is an obvious choice, since many of these programs require hand-typed input decks. This won't give any unique insight, but it would be a good sanity check.

This paper is chock-full of killer graphics; I especially enjoy the Berry curvature field in figure 4c.

Berry Curvavture

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    $\begingroup$ +1. It might be better suited as two separate questions: "what are some awesome graphics" and "what graphics should be co-produced with each simulation". They seem to be rather different questions and we need more questions anyway. $\endgroup$ – Nike Dattani Jul 20 at 15:44
  • $\begingroup$ I liked your questions, but I'm afraid that the first one is very personal as "awesome" is related with fillings. About the second one, instead of "what graphics", I think that "what properties" could be better. Of course, the latter will strongly dependent on the code you are focuses as each one has its own format. $\endgroup$ – Camps Jul 20 at 16:58

Magnetic Anisotropy

The best way to understand magnetic anisotropy is to visualize it. I think a visualization should be co-produced with every calculation of magnetic anisotropic energy.

The following figure shows Magnetocrystalline anisotropy energy calculated for G-type antiferromagnetic LiNbO3-type InFeO3$^1$. enter image description here

Another figure shows MAE of CuO calculated for the GS AF1 magnetic structure$^2$ enter image description here


  1. Fujita, Koji, et al. "LiNbO3-type InFeO3: room-temperature polar magnet without second-order Jahn–Teller active ions." Chemistry of Materials 28.18 (2016): 6644-6655.

  2. Rocquefelte, Xavier, et al. "Room-temperature spin-spiral multiferroicity in high-pressure cupric oxide." Nature Communications 4.1 (2013): 1-7.

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