{"id":14294,"date":"2021-02-11T10:37:30","date_gmt":"2021-02-11T08:37:30","guid":{"rendered":"https:\/\/blog.univie.ac.at\/?p=14294"},"modified":"2026-07-14T15:33:43","modified_gmt":"2026-07-14T13:33:43","slug":"the-corner-stones-of-secure-communication-and-better-computers","status":"publish","type":"post","link":"https:\/\/blog.univie.ac.at\/en\/humans-of-university-of-vienna-en\/the-corner-stones-of-secure-communication-and-better-computers\/","title":{"rendered":"Human of #univie Beate: “The corner-stones of secure communication and better computers”"},"content":{"rendered":"

\u201cIn my degree programme in Physics, I deal with quanta and quantum information. In this area, the University of Vienna focuses on photons, the fundamental light particles. Light particles can have different energies that, in certain areas, correspond to the colours that we see. However, light particles cannot only have different energies but can also differ regarding other properties. In the laboratory, we can even overlay different properties.<\/p>\n

Imagine a box filled with black or white balls. When we take a white ball out of the box, we are used to thinking that this ball has always been white. It would be counter-intuitive to assume that this ball is white only now because I see it right now, right? This intuition does not apply to smaller objects. This means that the ball can be white and black at the same time and only appears in a certain colour once I take it out of the box to look at it. This is the so-called superposition principle. Another important principle in the world of quanta is called entanglement. It means that the properties of two objects are correlated.<\/p>\n

If you have never heard of this principle before, you might point out that this can in no case work. In fact, many physicists are confused by this theory as well \u2013 there have been many attempts to explain quantum mechanics. This is the best-known interpretation: Interactions between a measuring instrument and the physical object that is supposed to be measured cause the superpositions to collapse. So, the property of an object only becomes reality by measuring it.<\/p>\n

I was fascinated by quantum mechanics exactly because of this inherent elusive character. The principles of superposition and entanglement are the corner-stones based on which academics around the world try to build secure communication or better computers. In future, this will open up unimaginable possibilities and especially increase computing powers immensely.<\/p>\n

To contribute my share to this future, I decided to write my master\u2019s thesis in this research area. I was able to prove in my experiments that quantum effects also lead to an increase in computing power when applied to certain machine learning algorithms. As my experiment uses photons, the University of Vienna \u2013 as the top performing university in this area \u2013 provides the perfect environment for my work.\u201d \u2013 Beate Elisabeth Asenbeck<\/em><\/p>\n

Beate studied Physics<\/a> at the University of Vienna.<\/p>\n

P.S.: On 11 Feb students of the Vienna Doctoral School of Physics (VDSP) organizes a conference highlighting the “International Day of Women and Girls in Science”. The event will feature the careers and experiences of women in science in keynote talks and scientific flash talks. For further information, please follow this link.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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