arXiv subjects

Assen Kyuldjiev

Publications and source records attributed to Assen Kyuldjiev.

4 recordsLinked to original sources

arXiv2025

Development of soft and hard skills of high-school students via Young Physicists' Tournament

The Young Physicists' Tournament (YPT) inspires high-school students to immerse themselves into an inquiry process closely resembling the real physics research. Using questionnaires' replies from the students and their teachers engaged in YPT, we investigated the perception of teachers and students on how the preparation for YPT contributes to the development of hard skills (physics content knowledge, mathematics, modelling...) and soft skills (communication, team work, organization...) of the students, and how it compares to regular classes and other activities. This comparison shows a positive role of YPT among students, and even a more positive perception among teachers. The significant development of a wide range of advanced skills justifies the substantial effort, resources and dedication of both teachers and students required for the participation in YPT.

physics.ed-ph↗

arXiv2022

Development of Scientific Skills via IYPT -- How does YPT participation lead to hard-skill development?

physics.ed-ph↗

arXiv2022

Development of Soft Skills via IYPT

We investigated how students perceive the role of IYPT (www.iypt.org) participation in their development of soft skills. We also investigated how students teachers assess the contribution of YPT participation to students soft skills development. Third, we link self-reported soft-skill development to performance in research tasks, as assessed by international panels of experts in the context of a physics competition. Taken together, the three steps, by triangulating the relationship between inquiry-based learning and soft-skill development, allow building inference about how inquiry-based learning helps students build soft skills, and how these soft skills influence student performance in research tasks. The data for the three stages includes 308 student responses for stage one, 33 teacher responses for stage two, and 794 expert (teachers, researchers, and university professors) assessments of student performance for stage three. Condensing the detailed findings from our analysis, we suggest thirteen guidelines for developing soft skills in students below.

physics.ed-ph↗

arXiv1999

Classical approaches to Higgs mechanism

The standard approach to Higgs mechanism is based on the existence of unitary gauge but, unfortunately, it does not come from a coordinate change in the configuration space of the initial model and actually defines a new dynamical system. So, it is a questionable approach to the problem but it is shown here that the final result could still make sense as a Marsden-Weinstein reduced system. (This reduction can be seen as completely analogous to the procedure of obtaining the "centrifugal" potential in the classical Kepler problem.) It is shown that in the standard linearization approximation of the Coulomb gauged Higgs model geometrical constraint theory offers an explanation of the Higgs mechanism because solving of the Gauss law constraint leads to different physical submanifolds which are not preserved by the action of the (broken) global U(1) group.

physics.gen-ph↗