The rapid growth of materials chemistry data, driven by advancements in large-scale
radiation facilities as well as laboratory instruments, has outpaced conventional data …

Understanding the nature and origin of collective excitations in materials is of fundamental
importance for unraveling the underlying physics of a many-body system. Excitation spectra …

H Φ [aitch-phi] is an open-source software package of numerically exact and stochastic
calculations for a wide range of quantum many-body systems. In this paper, we present the …

With the introduction of x-ray free electron laser sources around the world, new scientific
approaches for visualizing matter at fundamental length and time-scales have become …

The Kitaev model on a honeycomb lattice may provide a robust topological quantum
memory platform, but finding a material that realizes the unique spin-liquid phase remains a …

Inelastic neutron scattering (INS) is a powerful technique to study vibrational dynamics of
materials with several unique advantages. However, analysis and interpretation of INS …

Numerical approaches to the correlated electron problem have achieved considerable
success, yet are still constrained by several bottlenecks, including high order polynomial or …

The honeycomb magnet α-RuCl 3 is a prime candidate material for realizing the Kitaev
quantum spin liquid (QSL), but it shows long-range magnetic order at low temperature …

Novel magnetic materials are important for future technological advances. Theoretical and
numerical calculations of ground-state properties are essential in understanding these …

Calculating dynamical spin correlations is essential for matching model magnetic exchange
Hamiltonians to momentum-resolved spectroscopic measurements. A major numerical …