How to exper imenta l ly measure the number 5 of the S O ( 5 ) theory ?
نویسنده
چکیده
According to Wilson's theory of critical phenomena, critical exponents are universal functions of d, the dimension of space, and n, the dimension of the symmetry group. SO(5) theory of antiferromagnetism and superconductivity predicts a bicritical point where TN and T~ intersect. By measuring critical exponents close to the bicritical point, and knowing that d = 3, one can experimentally measure the number 5 of the SO(5) theory.
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تاریخ انتشار 2003