exchange interaction
Quantum spin coupling
Exchange interaction is a quantum mechanical effect that influences how particles with spin—especially electrons—interact when their wave functions overlap.
It arises from the requirement that identical particles be indistinguishable, producing an effective force that can align or anti-align neighboring spins.
Exchange interaction underlies ferromagnetism, where electron spins spontaneously align, and antiferromagnetism, where they alternate.
The exchange interaction between iron atoms explains why the metal can be permanently magnetized.
- spinRapid rotation around axis
- electronNegative subatomic particle
- magneticAttracting iron or attention
- couplingJoint between systems
- ferromagnetPermanently magnetizable substance
quantum · Heisenberg · orbital · wavefunction · entanglement · magnetism · parallel · antiparallel · energy · splitting · hopping · tunneling · overlap · correlation · Coulomb · indistinguishable · symmetry · triplet
- magnetismmagnet, magnetic field, magnetic fields, magnetic poles, ferromagnetism
- spin physicselectron spin, spin up, spin down, spin-up, antiparallel
- statistical mechanicsentropy, thermal equilibrium, phase transition, critical point, fluctuations
exchange interactionmagnetic anisotropy
Orientation-dependent magnetization behavior
exchange, interaction, exchanges, exchanged, exchanging, exchangeable, interact, interacts, interacted