All 1-dimensional systems Anharmonicity Band calculations Black hydrogen CeCoIn5 Computational Physics Condensed Matter Physics Conventional superconductivity Correlated bands Correlations in mezoscale DFT Dense matrices Dias-Silvera experiment Electronic correlations Electronic structure Exact diagonalization Exchange interaction Extended Hubbard model Extreme pressure Frustration Gutzwiller approximation HPC Heisenberg model High-Tc Superconductivity Hive methods Hydrogen Ising model Lanczos method Large magnetic fields Metal-Insulation transition Metallization Monte Carlo Multi-level parallelism Nanophysics New materials New methods Peierls transition Periodic Anderson model Phonons Quantum Hall effect Quantum Mechanics Quantum chemistry Random Walk Review Simulated Annealing Solid Hydrogen Sparse matrices Topological enthropy Unconvential superconductivity Variational wave function Wave-function engineering Zero-point Motion ab initio c++ f-electrons in Polish mean field python spin-split masses symmetry groups