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arXiv math-ph/9804015math-phmath.MP
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h-形变量子平面上的量子力学

Quantum Mechanics on the h-deformed Quantum Plane

Sunggoo Cho

摘要:

在扩展的$h$ -形变量子平面上,我们找到了协变形变海森堡代数和Laplace-Beltrami算子,并在量子平面上显式求解了某些物理系统的薛定谔方程.在交换极限下,量子平面上的量子粒子的行为变成了庞加莱半平面上的量子粒子的行为,庞加莱半平面是一个具有恒定负高斯曲率的表面。我们表明,特定势下粒子的束缚态能谱明显依赖于形变参数$h$。此外,它表明,束缚态可以生存在量子平面上的极限情况下,在庞加莱半平面上的束缚态消失。

英文摘要:

We find the covariant deformed Heisenberg algebra and the Laplace-Beltrami operator on the extended $h$-deformed quantum plane and solve the Schrödinger equations explicitly for some physical systems on the quantum plane. In the commutative limit the behaviour of a quantum particle on the quantum plane becomes that of the quantum particle on the Poincaré half-plane, a surface of constant negative Gaussian curvature. We show the bound state energy spectra for particles under specific potentials depend explicitly on the deformation parameter $h$. Moreover, it is shown that bound states can survive on the quantum plane in a limiting case where bound states on the Poincaré half-plane disappear.

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