(particle physics, Standard Model) Any elementary or composite particle that has half-integer spin and thus obeys Fermi–Dirac statistics and the Pauli exclusion principle (equivalently, a particle for which the wavefunction of any system of identical such particles changes sign whenever two are swapped); a baryon, a lepton or a quark;
fermion
Definition, parts of speech, synonyms, and sentence examples for fermion.
Editorial note
Majorana fermion is a fermion whose anti-particle is itself.
Quick take
(particle physics, Standard Model) Any elementary or composite particle that has half-integer spin and thus obeys Fermi–Dirac statistics and the Pauli exclusion principle (equivalently, a particle for which the wavefunction of any system of identical such particles changes sign whenever two are swapped); a baryon, a lepton or a quark;
Meaning at a glance
The clearest senses and uses of fermion gathered in one view.
Definitions
Core meanings and parts of speech for fermion.
noun
(particle physics, Standard Model) Any elementary or composite particle that has half-integer spin and thus obeys Fermi–Dirac statistics and the Pauli exclusion principle (equivalently, a particle for which the wavefunction of any system of identical such particles changes sign whenever two are swapped); a baryon, a lepton or a quark;
Example sentences
Majorana fermion is a fermion whose anti-particle is itself.
And an issue called the fermion-sign problem means that the computational power necessary to simulate larger systems scales exponentially with the number of particles.
The topology enforces a background of fermion correlations that amounts to a condensate wall localized in the Klein Bottle.
A quantum computer can handle the fermion sign problem by scaling polynomially with the number of particles instead of exponentially.
The most powerful classical computers cannot get around what is known as the fermion sign problem.
Different masses for left- and right-handed components of a Dirac fermion is a contradiction in terms.
Giving any standard model fermion a bare mass term would violate electroweak gauge invariance.
The difference between leptons (as a kind of fermion, which obey the P.
Some good news, the Majorana fermion has recently been independently observed.
A Dirac fermion has a left-handed component and a right-handed one.
They did not detect a Majorana fermion itself.
Here's a simpler version: What these people have done is a way of arranging some electrons such that they behave like Majorana fermions (a fermion [particle] whose anti-particle is itself).
Proper noun examples
According to wikipedia [1], the cited paper merely demonstrates the finding of a quasi-particle [3] that behaves like a Weyl Fermion.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use fermion in a sentence?
Majorana fermion is a fermion whose anti-particle is itself.
What does fermion mean?
(particle physics, Standard Model) Any elementary or composite particle that has half-integer spin and thus obeys Fermi–Dirac statistics and the Pauli exclusion principle (equivalently, a particle for which the wavefunction of any system of identical such particles changes sign whenever two are swapped); a baryon, a lepton or a quark;
What part of speech is fermion?
fermion is commonly used as noun.