《Table 1Expectation of the operators (first column) under the spin Dicke state (second column) and

《Table 1Expectation of the operators (first column) under the spin Dicke state  (second column) and   提示:宽带有限、当前游客访问压缩模式
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《Quantum Fisher information width in quantum metrology》


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The relevant expectations are shown in the last column of Table 1,from which the QFI of the coherent spin state|ψ?cs is rewritten as: