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documentation:guide:list_of_transformations [2015/11/21 10:57]
poslavskysv [DiracTrace]
documentation:guide:list_of_transformations [2015/11/21 11:03]
poslavskysv
Line 1: Line 1:
-====== List of transformations ======+====== List of common ​transformations ======
 <​html>​ <​html>​
 <div class="​text-right"​ style="​font-size:​ 15px; "> <div class="​text-right"​ style="​font-size:​ 15px; ">
Line 343: Line 343:
  
 <​html><​hr style="​border:​dashed #555555; border-width:​1px 0 0; height:​0;"></​html>​ <​html><​hr style="​border:​dashed #555555; border-width:​1px 0 0; height:​0;"></​html>​
 +====SpinorsSimplify====
 +simplifies Dirac spinors:
 +<sxh groovy; gutter: false>
 +defineMatrices '​G_a',​ '​G5',​ Matrix1.matrix,​ '​cu',​ Matrix1.covector
 +def sSimplify = SpinorsSimplify[[uBar:​ '​cu',​ Momentum: '​p_a',​ Mass: '​m'​]]
 +println sSimplify >> '​cu*G^a*p_a'​.t
 +</​sxh>​
 +<sxh plain; gutter: false>
 +   > -m*cu*G_{b}+2*cu*p_{b}
 +</​sxh>​
 +See [[documentation:​ref:​SpinorsSimplify]].
 +
 +<​html><​hr style="​border:​dashed #555555; border-width:​1px 0 0; height:​0;"></​html>​
 +
 ====Symmetrize==== ====Symmetrize====
 gives a symmetrization of tensor with respect to specified indices under the specified symmetries: gives a symmetrization of tensor with respect to specified indices under the specified symmetries: