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Color charge is a property of quarks and gluons that is related to the particles' strong interactions in the theory of quantum chromodynamics (QCD). Like electric charge, it determines how quarks and gluons interact through the strong force; however, rather than there being only positive and negative charges, there are three "charges", commonly called red, green, and blue.
QCD is a type of quantum field theory called a non-abelian gauge theory, with symmetry group SU(3). The QCD analog of electric charge is a property called color. Gluons are the force carriers of the theory, just as photons are for the electromagnetic force in quantum electrodynamics.
Quantum chromodynamics is the study of the SU(3) Yang–Mills theory of color-charged fermions (the quarks) and gluons. Subcategories This category has the following 5 subcategories, out of 5 total.
The theory of quantum chromodynamics explains that quarks carry what is called a color charge, although it has no relation to visible color. [6] Quarks with unlike color charge attract one another as a result of the strong interaction, and the particle that mediates this was called the gluon.
According to quantum chromodynamics (QCD), quarks possess a property called color charge. There are three types of color charge, arbitrarily labeled blue, green, and red. [nb 6] Each of them is complemented by an anticolor – antiblue, antigreen, and antired. Every quark carries a color, while every antiquark carries an anticolor. [76]
Color transparency is important because it provides valuable insights into the strong interaction. In fact, color transparency is a prediction of the quantum field theory of the strong force, quantum chromodynamics (QCD). [1] Additionally, color transparency has implications for nuclear physics and the structure of atomic nuclei.
He is also known to have played a role in keeping string theory alive through the 1970s and early 1980s, supporting that line of research at a time when it was a topic of niche interest. [57] [58] Gell-Mann was a proponent of the consistent histories approach to understanding quantum mechanics, which he advocated in papers with James Hartle ...
One consequence of this difference is that the color charge is too large for perturbative computations which are the mainstay of QED. As a result, the main theoretical tools to explore the theory of the QGP is lattice gauge theory. [25] [26] The transition temperature (approximately 175 MeV) was first predicted by lattice gauge theory. Since ...