Magnetism arises from the quantum mechanical exchange interaction between electron spins, producing macroscopic phenomena that power electric motors, data storage, medical imaging, and countless other technologies. Understanding the B-H hysteresis curve, domain structure, and phase transitions between ferromagnetic and paramagnetic states is essential to materials science and electrical engineering.
These simulations let you trace hysteresis loops with tunable coercivity and remanence, watch magnetic domain walls move under applied fields, observe the Curie temperature transition from ordered to disordered spin states, design solenoid electromagnets with controllable geometry, and explore crystal anisotropy energy surfaces — all with physically accurate models and real-time visualization.