A promising approach to the treatment of superficial human cancer is laser induced hyperthermia. A correct choice of the parameters used for the treatment planning should be based on modeling of both radiative transfer and transient heating of human tissues which will allow to predict the thermal conversions in the tumor. In this paper, we focus on the radiative transfer modeling which should b...

The electromagnetic wave ranging from the millimeter wave to gamma ray is radiated from plasmas produced by irradiating solid and gas targets with high intensity optical pulses. Recently, several theoretical works have pointed out the possibility that laser produced plasmas radiate intense THz wave [1]. The laser produced plasma is one of the promising candidates for an efficient generator of t...

In this study, a Computational Fluid Dynamics (CFD) model was developed to evaluate ultraviolet disinfection applesauce reactor. To simulate UV reactors, three sets of equations, including hydrodynamics, radiation and species mass conservation were solved simultaneously. The Realizable k-e turbulence model and the discrete ordinate method were used to find the UV radiation profile through the r...

The separation of the absorption of linearly polarized resonant radiation by anharmonic local vibrations of cubic symmetry is analyzed by the method of the quantum kinetic equation. It is shown that as a result of the symmetry-induced degeneracy of the energy levels the absorption saturation is accompanied by rotation of the radiation polarization towards one of the symmetry axes of the crystal...

We use a double quantum dot as a frequency-tunable on-chip microwave detector to investigate the radiation from electron shot-noise in a near-by quantum point contact. The device is realized by monitoring the inelastic tunneling of electrons between the quantum dots due to photon absorption. The frequency of the absorbed radiation is set by the energy separation between the dots, which is easil...

Background: Nitrous oxide (N2O) is a greenhouse gas that is a very small portion of the nitrogen cycle, but is environmentally damaging at low levels. In the lower atmosphere, N2O absorbs infrared radiation in spectra not absorbed by other common greenhouse gases, such as carbon dioxide. Because of N2O’s unique spectral absorption range, each molecule absorbs 200 times as much outgoing radiatio...

We investigate the large-scale inhomogeneities of the hydrogen ionizing radiation field in the Universe at redshift z = 3. Using a raytracing algorithm, we simulate a model in which quasars are the dominant sources of radiation. We make use of large scale N-body simulations of a ΛCDM universe, and include such effects as finite quasar lifetimes and output on the lightcone, which affects the sha...

It is shown that linearized gravitational radiation confined in a cavity can achieve thermal equilibrium if the mean density of the radiation and the size of the cavity satisfy certain constraints. Is it possible, in principle, to confine gravitational radiation in a box, for a time long enough for it to achieve thermal equilibrium? This issue has been investigated before by various authors [1,...