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fermion space

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  • Fermion — In particle physics, fermions are particles which obey Fermi Dirac statistics; they are named after Enrico Fermi. In contrast to bosons, which have Bose Einstein statistics, only one fermion can occupy a quantum state at a given time; this is the …   Wikipedia

  • Fermion doubling — In lattice theories, fermion fields experience (at least) a doubling of the number of particle types in a lattice.A lattice is a periodic arrangement of vertices. If we Fourier transform a lattice, the space of momenta is a torus with the shape… …   Wikipedia

  • Four-fermion interactions — In quantum field theory, fermions are described by anticommuting spinor fields. A four fermi interaction describes a local interaction between four fermionic fields at a point. Local here means that it all happens at the same spacetime point.… …   Wikipedia

  • Fock space — The Fock space is an algebraic system (Hilbert space) used in quantum mechanics to describe quantum states with a variable or unknown number of particles. It is named for V. A. Fock.Technically, the Fock space is the Hilbert space made from the… …   Wikipedia

  • Quantum field theory — In quantum field theory (QFT) the forces between particles are mediated by other particles. For instance, the electromagnetic force between two electrons is caused by an exchange of photons. But quantum field theory applies to all fundamental… …   Wikipedia

  • Non-topological soliton — In quantum field theory, a non topological soliton (NTS) is a field configuration possessing, contrary to a topological one, a conserved Noether charge and stable against transformation into usual particles of this field for the following reason …   Wikipedia

  • DJMax Technika — Promotion poster for DJMax Technika (China) Developer(s) Pentavision …   Wikipedia

  • Virtual particle — In physics, a virtual particle is a particle that exists for a limited time and space, introducing uncertainty in their energy and momentum due to the Heisenberg Uncertainty Principle. (Indeed, because energy and momentum in quantum mechanics are …   Wikipedia

  • Fermi energy — The Fermi energy is a concept in quantum mechanics usually referring to the energy of the highest occupied quantum state in a system of fermions at absolute zero temperature. This article requires a basic knowledge of quantum mechanics.Note that… …   Wikipedia

  • DJMax Technika 2 — Promotional teaser for DJMax Technika 2 Developer(s) Pentavision …   Wikipedia

  • Elementary particle — In particle physics, an elementary particle or fundamental particle is a not known to have substructure; that is, it is not known to be made up of smaller particles. If an elementary particle truly has no substructure, then it is one of the basic …   Wikipedia

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