Скачать или смотреть Quantum Hall Effect – A Fascinating Physics Phenomenon

The Hall Effect occurs when a current-carrying conductor or semiconductor is placed in a magnetic field perpendicular to the current. The magnetic field exerts a force on the moving charge carriers, causing them to accumulate on one side of the material. This creates a measurable Hall voltage across the conductor.

The Quantum Hall Effect is a special version observed at very low temperatures and strong magnetic fields, where the Hall resistance becomes quantized in exact steps. This discovery, made by Klaus von Klitzing in 1980, revolutionized condensed matter physics and earned him a Nobel Prize.

It’s a cornerstone in understanding topological states of matter, plays a role in defining fundamental constants, and has deep implications for quantum physics, metrology, and future electronic devices.


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