AskDefine | Define supercharge

Dictionary Definition

supercharge

Verb

1 increase or raise; "boost the voltage in an electrical circuit" [syn: boost, advance]
2 increase the pressure on a gas or liquid [syn: pressurize, pressurise]

User Contributed Dictionary

English

Verb

  1. to increase the power of an internal combustion engine (either Otto or Diesel cycle) by compressing the inlet air with power extracted from the crankshaft.
  2. to make faster, more powerful.

See also

turbocharge

Related terms

supercharger, turbocharger

Extensive Definition

In theoretical physics, a supercharge is a generator of supersymmetry transformations.

Intuitive meaning

Supercharge, denoted by the symbol Q, is an operator which transforms bosons into fermions, and vice versa. Since the supercharge operator changes a particle with spin one half to a particle with spin one or zero, the supercharge itself is a spinor that carries one half unit of spin.

Commutation

Supercharge commutes with the Hamiltonian operator, such that
[ Q , H ] = 0

References

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