In coloured media, the index of refraction does not decrease monotonically with increasing wavelength, but behaves in a quite non-monotonical way. This behaviour is called anomalous dispersion and results from the fact that the absorption of a material influences its index of refraction. So far, this interesting fact has not been widely acknowledged by the graphics community. In this paper, we ...

Using data from equilibrium Molecular Dynamics computer simulations we have built up a catalogue of response functions for the Coulomb one-component plasma (OCP) over wide range $\Gamma$ coupling values, including strongly coupled $\Gamma > 1$ liquid regime. We focus on domain negative compressibility ($\Gamma>3$), where causality and concomitant Kramers-Kronig relations are violated. give desc...

The optical and electrical properties of zinc-doped Cz p -GaAs have been studied. Reflection spectra ten specimens taken in the mid-IR region. Van der Pau galvanomagnetic, resistivity Hall coefficient measurements carried out for same (all were at room temperature). reflection processed using Kramers–Kronig relations, spectral dependences real imaginary parts complex dielectric permeability cal...

Kramers-Kronig (KK) receiver shows strong feasibility since the phase can be extracted from detected intensity through Hilbert transform (HT). To reduce complexity and make HT more suitable for practical KK system, approximated as finite impulse response (FIR) filter, i.e., HT-FIR filter. However, Fourier series expansion of filter suffers oscillations around discontinuities further results in ...

Real-time 10,000 km transmission over a straight-line link is achieved using software-defined multi-modulation format receiver implemented on commercial off-the-shelf general-purpose graphics processing unit (GPU). Minimum phase 1 GBaud (QAM) signals are transmitted and successfully received after detection with Kramers-Kronig (KK) coherent receiver. 8-, 16-, 32-, 64-QAM 7600, 5600, 3600, 1600 ...

The optical reflectivity of a vacancy doped colossal magnetoresistance material La0.936Mn0.982O3 has been investigated on single-crystal samples as a function of temperature and at zero and 0.5 T magnetic fields. The conductivity has been evaluated by Kramers-Kronig analysis in the frequency range of 100–20 000 cm. The broad peak in the optical conductivity, observed at room temperature around ...

The effect (Stark effect) of an applied electric field on the electronic states of molecular adsorbates was studied by measuring surface plasmon resonance (SPR) as a function of the wavelength of the incident light that excites the SPR. Using the Kramers-Kronig relation, Stark spectra comparable to those obtained with conventional methods were extracted from the electric field-induced SPR angul...

We calculate the entropy of a two-dimensional Fermi Liquid(FL) using a model with a contact interaction between fermions. We find that there are T 2 contributions to the entropy from interactions separate from those due to the collective modes. These T 2 contributions arise from non-analytic corrections to the real part of the selfenergy which may be calculated from the leading log dependence o...