Abstract
In this paper we consider operatorsH 0 andV possessing the following properties:
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(1)
H 0 is a positive self-adjoint operator acting inL 2(M, γ) with γ a probability measure, so that exp(−tH 0) is a contraction onL 1(M, γ) for eacht>0.
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(2)
V is a semibounded multiplicative operator acting inL 2(M, γ) {fx379-1}
Under these assumptions theorems of Lie-Trotter type are derived for the operatorsH, H 0, V, whereH is a self-adjoint extension of the algebraic sumH 0+V, and is built by the form method. Under the additional assumption thatV(·)∈L 2(M, γ) we prove an essential self-adjointness ofH 0+V. The results obtained are applicable to non-relativistic quantum mechanics.
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Semenov, Y.A. On the Lie-Trotter theorems inL p-spaces. Lett Math Phys 1, 379–385 (1977). https://doi.org/10.1007/BF01793951
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DOI: https://doi.org/10.1007/BF01793951