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arXiv 2111.13629math-phmath.MPmath.SP
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二维Calogero型边界

Calogero type bounds in two dimensions

Ari Laptev, Larry Read, Lukas Schimmer

摘要:

对于具有电势$V$和Aharonov-Bohm磁场的平面$\mathbb{R}^2$上的薛定谔算子,我们得到了它的负本征值个数的一个上界,它是由$V$的$L^1(\mathbb{R}^2)$ -范数表示的.类似于一维的Calogero界,在$V$上的单调性假设下,结果是正确的。我们的证明方法依赖于一个概括的Calogero的约束算子值的潜力。我们还建立了一个类似的边界上的薛定谔算子(无磁场)的半平面上施加Dirchlet边界条件时,并在整个平面上限制反对称函数。

英文摘要:

For a Schrödinger operator on the plane $\mathbb{R}^2$ with electric potential $V$ and Aharonov--Bohm magnetic field we obtain an upper bound on the number of its negative eigenvalues in terms of the $L^1(\mathbb{R}^2)$-norm of $V$. Similar to Calogero's bound in one dimension, the result is true under monotonicity assumptions on $V$. Our proof method relies on a generalisation of Calogero's bound to operator-valued potentials. We also establish a similar bound for the Schrödinger operator (without magnetic field) on the half-plane when a Dirchlet boundary condition is imposed and on the whole plane when restricted to antisymmetric functions.

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