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Many-body effects between unbosonized excitons

机译:未玻化激子之间的多体效应

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We here, give a brief survey of our new many-body theory for composite excitons, as well as some of the results we have already obtained using it. In view of them, we conclude that, in order to fully trust the results one finds, interacting excitons should not be bosonized: indeed, all effective bosonic Hamiltonians (even the hermitian ones!) can miss terms as large as the ones they generate; they can even miss the dominant term, as in problems dealing with optical nonlinearities. (c) 2004 Elsevier Ltd. All rights reserved.
机译:我们在这里简要概述了复合激子的新多体理论,以及使用该理论已经获得的一些结果。鉴于它们,我们得出结论,为了完全相信人们发现的结果,不应激化相互作用的激子:的确,所有有效的玻色子哈密顿量(甚至是埃尔米顿量的哈密顿量)都可能遗漏与其生成的一样大的术语。它们甚至可能会遗漏主导术语,例如在处理光学非线性问题时。 (c)2004 Elsevier Ltd.保留所有权利。

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