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Search: authors:"Diana Popescu"

3 papers found.
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Scalar pair production in a magnetic field in de Sitter universe

The production of scalar particles by the dipole magnetic field in de Sitter expanding universe is analyzed. The amplitude and probability of transition are computed using perturbative methods. A graphical study of the transition probability is performed obtaining that the rate of pair production is important in the early universe. Our results prove that in the process of pair...

Adaptive robotic end-effector with embedded 3D-printed sensing Circuits

MATEC Web of Conferences Adaptive robotic end-effector 3D-printed sensing circuits with embedded Aurelian Zapciu 0 George Constantin 0 Diana Popescu 0 0 University POLITEHNICA of Bucharest

Augmented reality application for training in pipe defects ultrasonic investigation

The paper presents the development process of an Augmented Reality (AR) application used for training operators in using ultrasonic equipment for non-destructive testing (NDT) of pipework. The application provides workers useful information regarding the process steps, the main components of ultrasonic equipment and the proper modality of placing, aligning and moving it on pipe...