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arXiv 0902.3044quant-phnlin.PS
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基于信息论的非线性薛定谔方程的性质

Properties of some nonlinear Schrodinger equations motivated through information theory

Ding-Yuan Liew, Rajesh R. Parwani

摘要:

我们更新我们的理解,通过信息论的非线性薛定谔方程的动机。特别是,我们表明,$q-$变形的基本非线性方程导致系统的能量的扰动增加,从而有利于最简单的$q=1$的情况下。此外,能量最小化标准被证明是等价的,在领先的顺序,不确定性最大化的论点。内插参数的特殊值$η=1/4$,其中前导阶能量位移消失,意味着在非线性超对称量子力学中现有的超对称性的保持。物理上,$η$可能编码相对论效应。

英文摘要:

We update our understanding of nonlinear Schrodinger equations motivated through information theory. In particular we show that a $q-$deformation of the basic nonlinear equation leads to a perturbative increase in the energy of a system, thus favouring the simplest $q=1$ case. Furthermore the energy minimisation criterion is shown to be equivalent, at leading order, to an uncertainty maximisation argument. The special value $η=1/4$ for the interpolation parameter, where leading order energy shifts vanish, implies the preservation of existing supersymmetry in nonlinearised supersymmetric quantum mechanics. Physically, $η$ might be encoding relativistic effects.

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