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arXiv math-ph/0307061math-phmath.MP
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具有锐高自旋渐近性的量子自旋的Wehrl熵的一个下界

A lower bound for the Wehrl entropy of quantum spin with sharp high-spin asymptotics

Bernhard G. Bodmann

摘要:

导出了单量子自旋的Wehrl熵的一个下界。这个界的高自旋渐近性与Lieb猜想一致,但不包括逆自旋量子数中的一阶和高阶项。这里提出的结果可以被看作是补充验证的情况下,最低自旋Schupp猜想[Commun. 207(1999),481]。韦尔熵的当前结果是通过插值一个尖锐的范数界得到的,该范数界也意味着所谓的雷尼-韦尔熵的一个尖锐的下界,其某些指数均匀地间隔为逆自旋量子数的一半。

英文摘要:

A lower bound for the Wehrl entropy of a single quantum spin is derived. The high-spin asymptotics of this bound coincides with Lieb's conjecture up to, but not including, terms of first and higher order in the inverse spin quantum number. The result presented here may be seen as complementary to the verification of the conjecture in cases of lowest spin by Schupp [Commun. Math. Phys. 207 (1999), 481]. The present result for the Wehrl-entropy is obtained from interpolating a sharp norm bound that also implies a sharp lower bound for the so-called Rényi-Wehrl entropy with certain indices that are evenly spaced by half of the inverse spin quantum number.

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