In the last decade, quantum signals and detectors carved out a place for themselves in mainstream technology. Characterization of those devices at the quantum level is thus a crucial ingredient for the development of quantum technologies. Quantum metrology, on the other hand, is the art of estimating the value of one or more parameters of interest. Recently, it has been shown that the quantum...
One of the current challenges of heavy-material-reflector reactors is the need to precisely model space and energy flux variations at the core-reflector interface. Incorrect representations of reflector effects can introduce significant errors in the resulting calculation (reactivity and reaction rates).
This paper aims to describe a methodology that provides a deterministic solver with the...
Photoacoustic imaging is an emerging biomedical imaging modality combining optical and ultrasound waves to map optical-absorption contrast at centimetric depth with sub-millimeter resolution. The key is the photoacoustic (PA) effect: optically absorbing structures emit ultrasound waves when excited with a ns-laser pulse. To reach cm-depth, PA imaging operates in the near-infrared (NIR) window...
The large increase of pile-up interactions is one of the main experimental challenge for HL-LHC physics program. Covering the pseudo-rapidity region between 2.4 and 4.0, the Hight Granularity Timing Detector (HGTD) is therefore proposed for the ATLAS Phase-II upgrade. Using the ability to distinguish between interactions within an event at different 𝑧 positions or time by high-precision...
Cadmium telluride (CdTe) solar cells are still at the front end of the few thin-film technologies exceeding 22% of efficiency. The latter record was made possible by Se alloying in the CdTe absorber.[1] This surge in efficiency has seen the manufacturing cost reducing to such levels that now CdTe photovoltaics electricity is cheaper than popular silicon photovoltaics. CdTe has a band-gap value...
Instabilities arise in many physical systems at some parameter threshold. Typically the system is embedded in an uncontrolled noisy environment. The fluctuating properties of the environment affect the control parameters of the instability, which leads to multiplicative noise. The result of multiplicative noise close to an instability threshold is on-off intermittency, which is...
The blastocoel is a fluid-filled cavity characteristic of the blastula stage during embryonic development. Its formation is a keystone in the morphogenesis of the mammalian embryo, yet the physical mechanism for its emergence remains unclear.
We recently showed that the blastocoel results from micron-sized cavities, nucleating at the adhesive side of cells and coarsening in a process akin to...
the Experimental and theoretical research related to improving the transfer of a number of authors
have carried out heat using nanoparticles and their results showed that the heat transfer of
nanofluids is very important in this context our work presents a critical model for improved heat
transfer This work is done on the basis of a 2D numerical dimension of heat transport models,
which...
In the paradigm of the Standard Cosmological Model, 83% of the mass density in the Universe cannot be explained with ordinary baryonic matter and requires an additional non-baryonic component. The preferred scenario since the 1980s is weakly interacting massive particles scenario (> 1 GeV) (WIMPS). However, despite many experiments, these particles have still not been detected. This has...
Austenitic stainless steels are used in the nuclear industry to make the internals parts of Pressurized Water Reactors (PWR) such as baffle and former plates. Numerous Baffle-to-Former Bolts (BFB) intergranular failures have been reported as a result of Irradiation Assisted Stress Corrosion Cracking (IASCC) phenomenon. In order to predict the cracking of the grain boundary through a...
We study the gap closure with pressure in Phases III and IV of molecular crystalline hydrogen by Quantum Monte Carlo methods [1]. Nuclear quantum and thermal effects are considered from first principles with Coupled Electron Ion Monte Carlo. The fundamental electronic gaps are obtained from grand-canonical Quantum Monte Carlo methods [2] properly extended to quantum crystals. Nuclear zero...
