broken symmetry
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Broken symmetry — is a concept, developed by Lee and Yang, used in mathematics and physics when an object breaks either rotational symmetry or translational symmetry. That is, when one can only rotate an object in certain angles or when one is able to discern if… … Wikipedia
Symmetry breaking — in physics describes a phenomenon where (infinitesimally) small fluctuations acting on a system crossing a critical point decide a system s fate, by determining which branch of a bifurcation is taken. For an outside observer unaware of the… … Wikipedia
Symmetry — For other uses, see Symmetry (disambiguation) … Wikipedia
Symmetry in physics — refers to features of a physical system that exhibit the property of symmetry that is, under certain transformations, aspects of these systems are unchanged , according to a particular observation. A symmetry of a physical system is a physical or … Wikipedia
Symmetry in biology — For other uses, see Symmetry (disambiguation) and Bilateral (disambiguation). Bilateral symmetry redirects here. For bilateral symmetry in mathematics, see reflection symmetry. The elaborate patterns on the wings of butterflies are one example of … Wikipedia
Spontaneous symmetry breaking — Quantum field theory (Feynman diagram) … Wikipedia
1964 PRL symmetry breaking papers — Five of the six 2010 Sakurai Prize Winners Kibble, Guralnik, Hagen, Englert, and Brout In 1964 three teams proposed related but different approaches to explain how mass could arise in local gauge theories. These three, now famous, papers were… … Wikipedia
Event symmetry — The term Event symmetry describes invariance principles that have been used in some discrete approaches to quantum gravity where the diffeomorphism invariance of general relativity can be extended to a covariance under any permutation of… … Wikipedia
Chiral symmetry — In quantum field theory, chiral symmetry is a possible symmetry of the Lagrangian under which the left handed and right handed parts of Dirac fields transform independently. The chiral symmetry transformation can be divided into a component that… … Wikipedia
Left-right symmetry — is a general principle in physics which holds that valid physical laws must not produce a different result for a motion that is left handed than motion that is right handed. The most common application is expressed as equal treatment of clockwise … Wikipedia
T-symmetry — is the symmetry of physical laws under a time reversal transformation mdash;: T: t mapsto t.Although in restricted contexts one may find this symmetry, the universe itself does not show symmetry under time reversal. This is due to the uncertainty … Wikipedia