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Classical and quantum mechanics in the Snyder space

机译:斯奈德空间中的古典和量子力学

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The Snyder model is an example of noncommutative spacetime admitting a fundamental length scale and invariant under Lorentz transformations. Here, we consider its nonrelativistic counterpart, i.e. the Snyder model restricted to three-dimensional Euclidean space. We discuss the classical and the quantum mechanics of a free particle in this framework, and show that they strongly depend on the sign of a coupling constant λ, appearing in the fundamental commutators. If A is negative, momenta are bounded, while for λ > 0 a minimal localization length arises. We also give the exact solution of the harmonic oscillator equations both in the classical and the quantum case, and show that its frequency is energy dependent.
机译:Snyder模型是非容性时期的一个例子,其承认Lorentz转换下的基本长度和不变性。在这里,我们考虑其非素描性的对应物,即斯奈德模型限于三维欧几里德空间。我们讨论了本框架中自由粒子的古典和量子力学,并表明它们强烈取决于耦合常数λ的符号,出现在基本换向器中。如果a是否定的,则界限界限,而对于λ> 0,则出现最小的定位长度。我们还提供了谐波振荡器方程的精确解决方案,既古典和Quantum壳体,则表明其频率取决于能量。

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