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用柯西积分公式与δ函数的方法,在Fock空间中给出了谐振子逆算符备和(备)-1的本征态的显式。“,”We study the eigenstates of the harmonic oscillator inverse operatorsa-1 and (a+) -1 in Fock space, by the method of the Cauchy integration formula and theδfunction.