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首页> 外文期刊>Annals of Physics >Newton-Leibniz integration for ket-bra operators in quantum mechanics (IV) - Integrations within Weyl ordered product of operators and their applications
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Newton-Leibniz integration for ket-bra operators in quantum mechanics (IV) - Integrations within Weyl ordered product of operators and their applications

机译:量子力学(IV)中用于ket-bra算子的Newton-Leibniz积分-Weyl订购的算子乘积及其应用中的积分

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We show that the technique of integration within normal ordering of operators [Hong-yi Fan, Hai-liang Lu, Yue Fan, Ann. Phys. 321 (2006) 480-494] applied to tackling Newton-Leibniz integration over ket-bra projection operators, can be generalized to the technique of integration within Weyl ordered product (IWWOP) of operators. The Weyl ordering symbol; : is introduced to find the Wigner operator's Weyl ordering form Delta(p,q) = delta(p - P)delta(q - Q):, and to find operators' Weyl ordered expansion formula. A remarkable property is that Weyl ordering of operators is covariant under similarity transformation, so it has many applications in quantum statistics and signal analysis. Thus the invention of the IWWOP technique promotes the progress of Dirac's symbolic method. (C) 2007 Elsevier Inc. All rights reserved.
机译:我们证明了在算子的正常排序中的集成技术[范宏毅,陆海亮,范岳安。物理321(2006)480-494]应用于解决ket-bra投影算子上的Newton-Leibniz集成问题,可以推广到算子Weyl订购产品(IWWOP)内的集成技术。 Weyl订购符号;引入:来查找Wigner运算符的Weyl有序形式Delta(p,q)= delta(p-P)delta(q-Q):,并找到运算符的Weyl有序展开公式。一个显着的特性是算子的Weyl排序在相似性变换下是协变的,因此在量子统计和信号分析中有许多应用。因此,IWWOP技术的发明促进了狄拉克符号方法的发展。 (C)2007 Elsevier Inc.保留所有权利。

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