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Quantum Theory of Lee–Naughton–Lebed’s Angular Effect in Strong Electric Fields 强电场中李-诺顿-勒贝德角效应的量子理论
Pub Date : 2024-07-17 DOI: 10.3390/quantum6030023
Andrei G. Lebed
Some time ago, Kobayashi et al. experimentally studied the so-called Lee–Naughton–Lebed’s (LNL) angular effect in strong electric fields [Kobayashi, K.; Saito, M.; Omichi E.; Osada, T. Phys. Rev. Lett. 2006, 96, 126601]. They found that strong electric fields split the LNL conductivity maxima in an α-(ET)2-based organic conductor and hypothetically introduced the corresponding equation for conductivity. In this paper, for the first time, we suggest the quantum mechanical theory of the LNL angular oscillations in moderately strong electric fields. In particular, we demonstrate that the approximate theoretical formula obtained by us well describes the above mentioned experiments.
不久前,小林等人通过实验研究了强电场中所谓的李-诺顿-勒贝德(LNL)角效应[Kobayashi, K.; Saito, M.; Omichi E.; Osada, T. Phys. Rev. Lett. 2006, 96, 126601]。他们发现在基于 α-(ET)2 的有机导体中,强电场会分割 LNL 的最大电导率,并假设性地引入了相应的电导率方程。本文首次提出了中强电场中 LNL 角振荡的量子力学理论。我们特别证明,我们所得到的近似理论公式很好地描述了上述实验。
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引用次数: 0
Wave Function and Information 波函数与信息
Pub Date : 2024-05-23 DOI: 10.3390/quantum6020017
Leonardo Chiatti
Two distinct measures of information, connected respectively to the amplitude and phase of the wave function of a particle, are proposed. There are relations between the time derivatives of these two measures and their gradients on the configuration space, which are equivalent to the wave equation. The information related to the amplitude measures the strength of the potential coupling of the particle (which is itself aspatial) with each volume of its configuration space, i.e., its tendency to participate in an interaction localized in a region of ordinary physical space corresponding to that volume. The information connected to the phase is that required to obtain the time evolution of the particle as a persistent entity starting from a random succession of bits. It can be considered as the information provided by conservation principles. The meaning of the so-called “quantum potential” in this context is briefly discussed.
我们提出了两种不同的信息测量方法,它们分别与粒子波函数的振幅和相位有关。这两种量度的时间导数与它们在构型空间上的梯度之间存在着等价于波方程的关系。与振幅相关的信息测量粒子(本身是非空间的)与其构型空间每个体的潜在耦合强度,即粒子参与与该体相对应的普通物理空间区域中局部相互作用的倾向。与相位相关的信息是指从随机比特序列开始,获得粒子作为持久实体的时间演化所需的信息。它可以被视为守恒原理提供的信息。这里简要讨论一下所谓 "量子势 "的含义。
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引用次数: 0
Quantized Approach to Damped Transversal Mechanical Waves 阻尼横向机械波的量化方法
Pub Date : 2024-03-04 DOI: 10.3390/quantum6010009
F. Márkus, K. Gambár
In information transfer, the dissipation of a signal is of crucial importance. The feasibility of reconstructing the distorted signal depends on the related permanent loss. Therefore, understanding the quantized dissipative transversal mechanical waves might result in deep insights. In particular, it may be valid on the nanoscale in the case of signal distortion, loss, or even restoration. Based on the description of the damped quantum oscillator, we generalize the canonical quantization procedure for the case of the transversal waves. Then, we deduce the related damped wave equation and the state function. We point out the two possible solutions of the propagating-damping wave equation. One involves the well-known Gaussian spreading solution superposed with the damping oscillation, in which the loss of information is complete. The other is the Airy function solution, which is non-spreading–propagating, so the information loss is only due to oscillation damping. However, the structure of the wave shape remains unchanged for the latter. Consequently, this fact may allow signal reconstruction, resulting in the capability of restoring the lost information.
在信息传输过程中,信号的损耗至关重要。重建失真信号的可行性取决于相关的永久损耗。因此,了解量子化耗散横向机械波可能会带来深刻的见解。特别是在纳米尺度上,它可能在信号失真、丢失甚至恢复的情况下有效。基于对阻尼量子振荡器的描述,我们对横向波的典型量化过程进行了概括。然后,我们推导出相关的阻尼波方程和状态函数。我们指出了传播阻尼波方程的两种可能解。一种是众所周知的与阻尼振荡叠加的高斯扩散解,在这种解中,信息完全丢失。另一种是 Airy 函数解,它是非传播-传播解,因此信息损失只是由于振荡阻尼造成的。然而,后者的波形结构保持不变。因此,这一事实可能允许信号重建,从而恢复丢失的信息。
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引用次数: 0
Quantum Value Valuation Continuum 量子价值评估连续体
Pub Date : 2024-02-02 DOI: 10.3390/quantum6010006
Ünsal Özdilek
Price, cost, and income (PCI) methods are traditionally used to approximate the value state of an economic commodity such as a property. Based on the estimates of these methods, we explore how quantum theory represents the fundamental process of value valuation in practice. We propose that the mathematical formalism of quantum theory is a promising view and measure of economic value. To ground our exploration, we first map traditional PCI estimates onto three-dimensional spherical coordinates, which were then transformed into two-dimensional quantum states using the Bloch sphere. This step enabled the computation of eigenvalues and eigenvectors of the Hamiltonian matrix, from which the value state measures were derived. The results exhibit practical applications as well as fundamental insights into potential connections between economic and quantum value states.
价格、成本和收入(PCI)方法传统上用于近似估算经济商品(如房地产)的价值状态。基于对这些方法的估计,我们探讨了量子理论如何在实践中代表价值评估的基本过程。我们提出,量子理论的数学形式主义是经济价值的一种有前途的观点和衡量标准。为了使我们的探索有据可依,我们首先将传统的 PCI 估值映射到三维球面坐标上,然后利用布洛赫球将其转化为二维量子态。通过这一步骤,我们可以计算出哈密尔顿矩阵的特征值和特征向量,并由此得出价值状态测量值。这些结果展示了实际应用以及对经济和量子价值状态之间潜在联系的基本见解。
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引用次数: 0
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