Unitary dressing transformations and exponential decay below threshold for quantum spin systems. I, II (Q920455)

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scientific article; zbMATH DE number 4163778
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Unitary dressing transformations and exponential decay below threshold for quantum spin systems. I, II
scientific article; zbMATH DE number 4163778

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    Unitary dressing transformations and exponential decay below threshold for quantum spin systems. I, II (English)
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    1990
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    quantum spin systems
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    unitary dressing transformation
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