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Nanotechnology Now - Press Release: Quantum steering for more precise measurements


Nanotechnology Now
Einstein-Podolski-Rosen correlations can be used for precision measurements. (Image: Jurik Peter, Shutterstock)
Abstract:
Quantum systems consisting of several particles can be used to measure magnetic or electric fields more precisely. A young physicist at the University of Basel has now proposed a new scheme for such measurements that uses a particular kind of correlation between quantum particles.
Quantum steering for more precise measurements
Basel, Switzerland | Posted on April 23rd, 2021
In quantum information, the fictitious agents Alice and Bob are often used to illustrate complex communication tasks. In one such process, Alice can use entangled quantum particles such as photons to transmit or teleport a quantum state - unknown even to herself - to Bob, something that is not feasible using traditional communications. ....

United Kingdom , Great Britain , Jurik Peter , Matteo Fadel , Reto Caluori , Albert Einstein , Boris Podolsky , Philipp Treutlein , Nathan Rosen , Nature Communications , Physics Department Of The University Basel , Home Press Quantum , University Of Basel , Wave Inc , Physics Department , Professor Philipp Treutlein , Nanotechnology Now , Laser Cooling January , ஒன்றுபட்டது கிஂக்டம் , நன்று பிரிட்டன் , ஆல்பர்ட் ஐன்ஸ்டீன் , போரிஸ் போதோலஸ்கி , நாதன் ரோஸன் , இயற்கை தகவல்தொடர்புகள் , வீடு ப்ரெஸ் குவாண்டம் , பல்கலைக்கழகம் ஆஃப் பேசல் ,

Nanotechnology Now - Press Release: Quantum quirk yields giant magnetic effect, where none should exist: Study opens window into the landscape of extreme topological matter


Nanotechnology Now
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Home > Press > Quantum quirk yields giant magnetic effect, where none should exist: Study opens window into the landscape of extreme topological matter
Rice University theoretical physicists (from left) Hsin-Hua Lai, Qimiao Si and Sarah Grefe worked with experimental collaborators at Vienna University of Technology to understand topological features of a nonmagnetic Weyl-Kondo semimetal allowed it to produce a giant Hall effect in the absence of a magnetic field.
CREDIT
Photo by Jeff Fitlow/Rice University
Abstract:
In a twist befitting the strange nature of quantum mechanics, physicists have discovered the Hall effect a characteristic change in the way electricity is conducted in the presence of a magnetic field in a nonmagnetic quantum material to which no magnetic field was applied. ....

Brown School , United States , Rice University , Nordrhein Westfalen , Oleg Rubel , Peter Blaha , Toni Shiroka , Gaku Eguchi , Sarah Grefe , Edwin Hall , Qimiao Si , Xinlin Yan , Mathieu Taupin , Sami Dzsaber , Hsin Hua Lai , Vienna University Of Technology , Brown School Of Engineering , National Science Foundation , Jeff Fitlow Rice University , Baker Institute For Public , Wiess School Of Natural Sciences , Swiss National Science Foundation , Wave Inc , Switzerland Paul Scherrer Institute , Tu Wien Institute For Solid State Physics , European Union Horizon ,

Nanotechnology Now - Press Release: Quantum computing: when ignorance is wanted


Nanotechnology Now
Home > Press > Quantum computing: when ignorance is wanted
Artistic image of a homomorphic-encrypted quantum computation using a photonic quantum computer. (© Equinox Graphics, Universität Wien)
Abstract:
Quantum computers promise not only to outperform classical machines in certain important tasks, but also to maintain the privacy of data processing. The secure delegation of computations has been an increasingly important issue since the possibility of utilizing cloud computing and cloud networks. Of particular interest is the ability to exploit quantum technology that allows for unconditional security, meaning that no assumptions about the computational power of a potential adversary need to be made. ....

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Nanotechnology Now - Press Release: Quantum computers to study the functioning of the molecules of life: A team of theoretical physicists from the University of Trento has shown that it is possible to use quantum computers to simulate processes of great biological importance, such as changes in the shape of protein


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Home > Press > Quantum computers to study the functioning of the molecules of life: A team of theoretical physicists from the University of Trento has shown that it is possible to use quantum computers to simulate processes of great biological importance, such as changes in the shape of protein
Abstract:
The human body is like a construction site where hundreds of thousands of different molecular nanomachines, called proteins, are simultaneously at work. Each one of these biomolecules, which are chains of amino acids essential to living organisms, perform a different biological function, often in synergy with other proteins. During their formation (the folding process) or in the performance of their biological functions, proteins change their shape in a very specific way. In many cases it is possible to conduct experiments that provide images of proteins at near atomic resolution, but only when they are in the stable ....

United States , Alessandra Saletti , Giovanni Mattiotti , Philipp Hauke , Pietro Faccioli , Physics Department Of The University Trento , University Of Trento , American Physical Society , Home Press Quantum , Wave Inc , Physical Review Letters , Physics Department , Reaction Pathways , Nanotechnology Now , ஒன்றுபட்டது மாநிலங்களில் , இயற்பியல் துறை ஆஃப் தி பல்கலைக்கழகம் ட்ரெண்டோ , பல்கலைக்கழகம் ஆஃப் ட்ரெண்டோ , அமெரிக்கன் உடல் சமூகம் , வீடு ப்ரெஸ் குவாண்டம் , அலை இன்க் , உடல் விமர்சனம் எழுத்துக்கள் , இயற்பியல் துறை , ரியாக்ஶந் பாதைகள் , நானோ தொழில்நுட்பம் இப்போது ,