A strange crystal made of electrons just revealed its hidden motion
Physicists have found a new way to peer inside one of matter’s most elusive quantum states: the Wigner crystal, where electrons stop behaving like independent particles and organize into a crystal-like pattern.
Physicists have found a new way to peer inside one of matter’s most elusive quantum states: the Wigner crystal, where electrons stop behaving like independent particles and organize into a crystal-like pattern.
The short version
- By shining light on an atomically thin material cooled close to absolute zero, researchers uncovered optical signals that reveal not just where the electrons are, but how they move together.
- Researchers at the University of Basel and the Technical University of Munich have found a new way to examine how electrons move together inside one of the most elusive forms of matter, the Wigner crystal.
- By using light to probe this delicate quantum state, the physicists uncovered properties that had previously been extremely difficult to observe.
What happened
When electrons are restricted to a two-dimensional plane and interact strongly enough, they can begin behaving very differently from ordinary electrons. Instead of moving independently, they arrange themselves into a repeating pattern similar to the orderly structure of atoms in a conventional crystal.
Why it matters
This unusual arrangement is called a Wigner crystal.
Summary by Nerd News Network. Read the full article at ScienceDaily — Top Science via the links above and below.