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Yang-Baxter equation: Difference between revisions

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'''Yang Chen-Ning''' (b. 1922) and '''Rodney Baxter''' (b. 1940)
'''''Yang-Baxter equation''''' 1968, 1971


'''''Yang-Baxter equation''''' 1968 and 1971 respectively
In physics, the Yang–Baxter equation (or star–triangle relation) is a consistency equation which was first introduced in the field of statistical mechanics. It depends on the idea that in some scattering situations, particles may preserve their momentum while changing their quantum internal states. It states that a matrix $${R}$$, acting on two out of three objects, satisfies
 
In physics, the Yang–Baxter equation (or star–triangle relation) is a consistency equation which was first introduced in the field of statistical mechanics. It depends on the idea that in some scattering situations, particles may preserve their momentum while changing their quantum internal states. It states that a matrix {\displaystyle R}R, acting on two out of three objects, satisfies


:$${ ({\check {R}}\otimes \mathbf {1} )(\mathbf {1} \otimes {\check {R}})({\check {R}}\otimes \mathbf {1} )=(\mathbf {1} \otimes {\check {R}})({\check {R}}\otimes \mathbf {1} )(\mathbf {1} \otimes {\check {R}})}$$
:$${ ({\check {R}}\otimes \mathbf {1} )(\mathbf {1} \otimes {\check {R}})({\check {R}}\otimes \mathbf {1} )=(\mathbf {1} \otimes {\check {R}})({\check {R}}\otimes \mathbf {1} )(\mathbf {1} \otimes {\check {R}})}$$
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*[https://en.wikipedia.org/wiki/Yang%E2%80%93Baxter_equation Yang-Baxter equation]
*[https://en.wikipedia.org/wiki/Yang%E2%80%93Baxter_equation Yang-Baxter equation]
== Discussion: ==
== Discussion: ==
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