Exercise shorts
Advanced Computational Methods in Physics 2026: Quantum many body and tensor networks
Short silent films with captions, four per session, where in one to two minutes we see one idea of the session, with every number on screen computed with the same codes as the notebooks
Session 1: Many-body interactions and classical symmetry broken magnetism
Film 1.2 Superexchange: from electrons to spins
Film 1.3 Mean-field theory: the self-consistent loop
Film 1.4 Classical order and frustration
Session 2: Many-body quantum magnets
Film 2.1 A classical and a quantum magnet
Session 3: Many-body correlated fermionic systems
Film 3.1 Charge order in the many-body spectrum
Film 3.2 The chemical potential as a gate
Session 4: Tensor networks for many-body quantum magnets
Film 4.3 Entanglement at a phase transition
Film 4.4 Fractionalization: the spin-1 chain
Session 5: Tensor networks for many-body correlated fermionic systems
Film 5.1 Fermions as spins: the Jordan-Wigner string
Film 5.2 A charge density wave at a hundred sites
Film 5.3 When is mean-field theory valid? The correlation entropy
Film 5.4 The density matrix renormalization group