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Journal of Tecnologia Quantica
Published by Yayasan Adra Karima Hubbi
ISSN : 30626757     EISSN : 30481740     DOI : 10.70177/quantica
Core Subject : Science,
Physics
Journal of Tecnologia Quantica is dedicated to bringing together the latest and most important results and perspectives from across the emerging field of quantum science and technology. Journal of Tecnologia Quantica is a highly selective journal; submissions must be both essential reading for a particular sub-field and of interest to the broader quantum science and technology community with the expectation for lasting scientific and technological impact. We therefore anticipate that only a small proportion of submissions to Journal of Tecnologia Quantica will be selected for publication. We feel that the rapidly growing QST community is looking for a journal with this profile, and one that together we can achieve. Submitted papers must be written in English for initial review stage by editors and further review process by minimum two international reviewers.
Arjuna Subject : Fisika dan Astronomi - Fisika Nuklir dan Molekuler, dan Ooptik
Articles 5 Documents
 1 
Search results for , issue "Vol. 2 No. 2 (2025)" : 5 Documents clear
Quantum Key Distribution for Secure Electronic Voting Systems Antoniou, Vasilis; Nikolaou, Maria; Sargsyan, Tigran
Journal of Tecnologia Quantica Vol. 2 No. 2 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/quantica.v2i2.1958

Abstract

The background of this research focuses on the security challenges faced by electronic voting (e-voting) systems that are vulnerable to the threat of eavesdropping and data manipulation. As the use of digital technology in elections increases, innovative solutions are needed to ensure the integrity and confidentiality of voters' votes. This study aims to explore the application of Quantum Key Distribution (QKD) in a safe and reliable e-voting system. The method used is a case study of the implementation of QKD in various e-voting trials in several countries, with an analysis of the test results of the success rate, security, and speed of data transmission. The results show that the application of QKD in the e-voting system is able to provide a security level of up to 99%, even with a decrease in data transmission speed compared to conventional systems. The resulting security is much higher, overcoming the potential for eavesdropping and data forgery attacks. The conclusion of this study is that QKD can be an effective solution to improve security in e-voting systems, although transmission speed challenges need to be improved. Further research is needed to optimize this technology so that it can be applied at scale with better efficiency.
Quantum Sensor for Monitoring the Earth’s Structure Huber, Anton; Schmidt, Klara; Ivanov, Nikolai
Journal of Tecnologia Quantica Vol. 2 No. 2 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/quantica.v2i2.1959

Abstract

The background of this research focuses on the challenges of monitoring the deeper structure of the Earth, especially related to the variations in magnetic and gravitational fields that indicate geological changes and tectonic activity. Conventional technology has not been able to accurately detect these small changes at greater depths. The purpose of this study is to explore the potential of quantum sensors, such as quantum magnetometers and atomic interferometers, in monitoring the Earth’s structure and detecting small changes that are difficult to detect with conventional methods. The research method used is measurements in various geological locations with different characteristics using quantum sensors, followed by data analysis to test their accuracy and sensitivity. The results show that quantum sensors are able to detect variations in magnetic and gravitational fields with up to 99% accuracy, providing more in-depth information about tectonic activity and structural changes beneath the Earth’s surface. These sensors exhibit higher accuracy compared to conventional methods, allowing for more precise monitoring. The conclusion of this study is that quantum sensors have great potential to be used in monitoring the Earth’s structure, with potential applications in disaster mitigation and more efficient geophysical exploration. Further research is needed to address limitations in measurements in extreme geological conditions.
Quantum Entanglement in Multi-Particle Systems Lambert, Maxime; Lefevre, Olivier; Hristov, Dimitar
Journal of Tecnologia Quantica Vol. 2 No. 2 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/quantica.v2i2.1961

Abstract

The background of this research focuses on the phenomenon of quantum entanglement in multi-particle systems involving photons and atoms. Although much research has been done on entanglement in two-particle systems, challenges arise when the system is expanded to include more particles. This study aims to explore how entanglement is maintained in multi-particle systems and to understand the differences between photons and atoms in this context. The method used is an experiment that involves measuring entanglement in a system of photons and atoms that are separated at a certain distance. The results showed that photons can maintain entanglement over very long distances (up to 1 kilometer), while atoms show a decrease in entanglement levels over longer distances, but can still be used in quantum computing applications at shorter distances. The study concluded that photons are more stable in maintaining entanglement over long distances, while atoms are more suitable for quantum computing applications in small systems. Further research is needed to address the limitations related to the stability of entanglement over longer distances and to develop applications in larger multi-particle systems.
Quantum Thermodynamics: The Second Law in the Quantum World Miller, David; Harris, Robert; Ivanova, Yulia
Journal of Tecnologia Quantica Vol. 2 No. 2 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/quantica.v2i2.1962

Abstract

The second law of thermodynamics is one of the basic principles of physics that applies in the classical and quantum worlds. Although this principle is widely accepted, its application in quantum systems is still the subject of intense research. This research focuses on the application of the second law of thermodynamics in the quantum world, with an emphasis on the influence of quantum entanglement on entropy and energy changes in quantum systems. The purpose of this study is to explore how the second law of thermodynamics applies in quantum systems and how quantum entanglement affects the rate of entropic change. This study aims to identify the differences between quantum systems and classical systems in the context of thermodynamics. This study uses experimental and simulation methods on simple quantum systems, such as trapped ions, to measure changes in entropy as temperature increases. The data obtained were analyzed to identify the influence of quantum entanglement on the rate of entropy change and how this differs from classical systems. The results showed that quantum entanglement affected the rate of entropy increase, with quantum systems showing slower entropy changes compared to classical systems. This suggests that entropy in quantum systems is not only affected by temperature, but also by quantum interactions between particles. This study concludes that the second law of thermodynamics remains valid in the quantum world, but with significant modifications due to the influence of quantum entanglement. These findings pave the way for the development of more complex and applicable quantum thermodynamic models, which can be used in the design of future quantum technologies.
Quantum Gravity and Its Implications for Cosmology Akhmedov, Farid; Guliyeva, Gulnar; Al-Baker, Rania
Journal of Tecnologia Quantica Vol. 2 No. 2 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/quantica.v2i2.1963

Abstract

The background of this research focuses on the confluence of two major theories in physics, namely quantum mechanics and general relativity, which are very important in explaining gravity at the quantum scale and cosmology. The purpose of this study is to investigate the relationship between quantum gravity theory and its implications for cosmological phenomena, especially related to singularities and enormous models of the universe. The method used in this study is a comparative analysis of various existing theories of quantum gravity, including string theory and quantum loop gravity, as well as a literature review on the application of these theories in cosmology. The results show that although various theories have been developed, there is not yet a clear consensus on how to integrate quantum gravity into the broader cosmological model. The study also revealed a huge gap in the experiments that could confirm these theories, which slowed down our understanding of gravity at the quantum scale. The conclusion of this study is the importance of further research in experiments and theories to bring together the principles of quantum and general relativity, which is expected to lead to a new, more comprehensive model of cosmology and the universe.

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