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supersymmetry
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Supersymmetry is a theoretical framework in physics that suggests the existence of a symmetry between particles with integer spin (bosons) and particles with half-integer spin (fermions). It proposes that for every known particle, there exists a partner particle with different spin properties. There have been multiple experiments on supersymmetry that have failed to provide evidence that it exists in nature. If evidence is found, supersymmetry could help explain certain phenomena, such as the nature of dark matter and the hierarchy problem in particle physics.
Supersymmetry is a theoretical idea in physics proposing that every particle has a partner particle with different properties, creating a symmetry between two fundamental types of particles. Scientists are interested in it because it could help explain mysteries like dark matter and certain puzzles in particle physics, though experiments so far have not found evidence that it actually exists in nature.
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Article
27 sectionsContents
- History
- Applications
- Extension of possible symmetry groups
- Supersymmetry algebra
- Supersymmetric quantum mechanics
- Supersymmetry in quantum field theory
- Supersymmetry in condensed matter physics
- Supersymmetry in optics
- Supersymmetry in dynamical systems
- In finance
- Supersymmetry in mathematics
- Supersymmetry in string theory
- Supersymmetry in particle physics
- Supersymmetric extensions of the Standard Model
- Searches and constraints for supersymmetry
- Current status
- General supersymmetry
- Extended supersymmetry
- Supersymmetry in alternate numbers of dimensions
- Fractional supersymmetry
- See also
- References
- Further reading
- Theoretical introductions, free and online
- Monographs
- On experiments
- External links
Supersymmetry is a theoretical framework in physics that suggests the existence of a symmetry between particles with integer spin (bosons) and particles with half-integer spin (fermions). It proposes that for every known particle, there exists a partner particle with different spin properties. There have been multiple experiments on supersymmetry that have failed to provide evidence that it exists in nature. If evidence is found, supersymmetry could help explain certain phenomena, such as the nature of dark matter and the hierarchy problem in particle physics.
A supersymmetric theory is a theory in which the equations for force and the equations for matter are identical. In theoretical and mathematical physics, any theory with this property has the principle of supersymmetry (SUSY). Dozens of supersymmetric theories exist. In theory, supersymmetry is a type of spacetime symmetry between two basic classes of particles: bosons, which have an integer-valued spin and follow Bose–Einstein statistics, and fermions, which have a half-integer-valued spin and follow Fermi–Dirac statistics. The names of bosonic partners of fermions are prefixed with s-, because they are scalar particles. For example, if the electron existed in a supersymmetric theory, then there would be a particle called a selectron (superpartner electron), a bosonic partner of the electron.