concepts
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Spontaneous symmetry breaking is a mode of realization of symmetry breaking in a physical system, where the underlying laws are invariant under a symmetry transformation, but the system as a whole changes under such transformations, in contrast to explicit symmetry breaking .
Spontaneous symmetry breaking
Spin (physics)
In quantum mechanics and particle physics , spin is an intrinsic form of angular momentum carried by elementary particles , composite particles ( hadrons ), and atomic nuclei . [ 1 ] [ 2 ] Spin is a solely quantum-mechanical phenomenon; it does not have a counterpart in classical mechanics (despite the term spin being reminiscent of classical phenomena such as a planet spinning on its axis). [ 2 ]Self-organization is a process where some form of global order or coordination arises out of the local interactions between the components of an initially disordered system.
Self-organization
Electrical resistivity (also known as resistivity , specific electrical resistance , or volume resistivity ) quantifies how strongly a given material opposes the flow of electric current . A low resistivity indicates a material that readily allows the movement of electric charge . Resistivity is commonly represented by the Greek letter ρ ( rho ).
Electrical conduction
In the physical sciences , a phase is a region of space (a thermodynamic system ), throughout which all physical properties of a material are essentially uniform. [ 1 ] Examples of physical properties include density , index of refraction , magnetization and chemical composition.
Phase (matter)
phase types