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梅塔普lectic核的微分刻画

A Differential Characterization of the Metaplectic Kernel

Benjamin Cahen

arXiv 2608.22443首次发表:更新:

AI 中文总结

该研究在Bargmann-Fock和薛定谔模型中,利用梅塔普lectic表示算子与海森堡表示的交错性质,推导并刻画了梅塔普lectic核的微分形式,明确其为辛变换对应的经典高斯函数。

AI 中文摘要

我们仅基于梅塔普lectic表示算子与海森堡表示的定义交错性质,在Bargmann-Fock模型中推导该算子的积分核。将梅塔普lectic算子表示为积分算子,可将对应的无穷小交错恒等式转化为其核满足的一阶偏微分方程组。我们证明该方程组(在单位标量范围内)唯一确定核,此核正是与辛变换相关的经典高斯函数,对薛定谔模型也得到了类似结果。

英文摘要

We present a derivation of the integral kernel of a metaplectic representation operator in the Bargmann-Fock model based solely on its defining intertwining property with the Heisenberg representation. Expressing a metaplectic operator as an integral operator transforms the corresponding infinitesimal intertwining identities into a system of first-order partial differential equations satisfied by its kernel. We show that this system determines the kernel (up to a unit scalar) which is precisely the classical Gaussian associated with the symplectic transformation. A similar result is obtained for the Schrödinger model.

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