Physicists have found a way to circumvent the limits of the Heisenberg uncertainty principle

Scientists from the University of Sydney have presented a new study that reveals how to circumvent the limits of the Heisenberg uncertainty principle. Their results open up new horizons for quantum technologies, including quantum computers and communications, which can fundamentally change modern computing and data security. The study was published in the journal Science Advances.

The Heisenberg uncertainty principle (a German theoretical physicist, one of the founders of quantum mechanics, winner of the Nobel Prize in Physics in 1932), formulated back in 1927, says that it is impossible to simultaneously know two parameters of a particle with infinite accuracy, for example, its coordinate and velocity. The more accurate one is, the more erroneous the other is.

However, quantum physics, with its unique properties, opens up new possibilities for overcoming these limitations. Instead of trying to measure both things directly, they measure something else that is related to these quantities but does not violate the uncertainty principle. This is called "modular observables". These observables, although related to position and momentum, can be measured simultaneously with high accuracy.

The study used a special quantum method with ions, where scientists were able to accurately measure the position and velocity (or momentum) of an object at the same time, but using a new approach that circumvents the limitations imposed by conventional physics.

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The results of this study are of great importance for future quantum sensors. These sensors can be used to develop quantum computers, which, in turn, will perform calculations much faster and more efficiently than modern computers. For example, quantum sensors can be used in medicine for precise diagnostics, in geophysics for studying the Earth's crust, as well as in the field of security to create secure communications.

Research like this shows that quantum technologies can significantly improve measurement accuracy, leading to the development of entirely new technologies in areas such as quantum computing, quantum communications, and quantum security.

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Physicists continue to work on making quantum systems more stable and durable. This will help create more efficient quantum sensors that can work in real-world environments where standard measurement methods are no longer suitable.

Future research in this area will contribute to the creation of even more advanced quantum systems that can significantly improve understanding of the world at the most fundamental levels.

An international group of physicists has published a paper in Physical Review Letters (PRL) that provides the most convincing evidence to date that black holes behave in exact accordance with Albert Einstein's general theory of relativity and that Stephen Hawking's key assumptions about their nature are confirmed.

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