Quantum Causal Loops: Exotic Processes With Cause-Effect Cycles
Causal reasoning is ubiquitous — from physics to medicine, economics and social sciences, as well as in everyday life. Whenever we press the button, the…
Quantum Physics
Scientists Realize Efficient Generation of High-Dimensional Quantum Teleportation
In a study published in Physical Review Letters, the team led by academician GUO Guangcan from University of Science and Technology of China (USTC) of…
The First Steps Toward a Quantum Brain: An Intelligent Material That Learns by Physically Changing Itself
An intelligent material that learns by physically changing itself, similar to how the human brain works, could be the foundation of a completely new generation…
Physicists’ Clever Experiment Shows How Complex Oscillations in a Quantum System Simplify With Time
With a clever experiment, physicists have shown that in a one-dimensional quantum system, the initially complex distribution of vibrations or phonons can change over time…
A Powerful Ion Microscope Developed to Study Quantum Gases
University of Stuttgart researchers developed a particle-based imaging approach that enables the spatially and temporally resolved investigation of vastly different systems such as ground-state samples,…
A Benchmark for Single-Electron Quantum Circuits
A new methodology for an abstract and universal description of the fidelity of quantum circuits. Manipulating individual electrons with the goal of employing quantum effects…
A Frankenstein of Order and Chaos: Researchers Discover a Hybrid Quantum System
Normally the word “chaos” evokes a lack of order: a hectic day, a teenager’s bedroom, tax season. And the physical understanding of chaos is not…
Ultimate Precision: Scientists Reach Limit of Multi-Parameter Quantum Measurement With Zero Trade-Off
Real-life applications like magnetometry or quantum gyroscope typically involve precise measurement on multiple parameters. How to achieve the ultimate precision limits simultaneously is a long…
Unusual Quantum Phenomena: Physicists Observe Competition Between Magnetic Orders
Nature study: research team from the University of Bonn gains insights into novel quantum phenomena. They are as thin as a hair, only a hundred…
Improving LIDAR and GPS: Breaking Through the Resolution Barrier With Quantum-Limited Precision
Researchers at Paderborn University have developed a new method of distance measurement for systems such as GPS, which achieves more precise results than ever before….
Scientists Make Pivotal Discovery in Quantum and Classical Information Processing
Scientists tame photon-magnon interaction. Working with theorists in the University of Chicago’s Pritzker School of Molecular Engineering, researchers in the U.S. Department of Energy’s (DOE)…
New Theory Proposed to Explain One Dimensional Quantum Liquids Formation
Liquids are ubiquitous in nature — from the water that we consume daily to superfluid helium which is a quantum liquid appearing at temperatures as…
Physicists Find New State of Matter in a One-Dimensional Quantum Gas – “Beyond My Wildest Conception”
By adding some magnetic flair to an exotic quantum experiment, physicists produced an ultra-stable one-dimensional quantum gas with never-before-seen “scar” states – a feature that…
Important Milestone in the Creation of a Quantum Computer That Uses Transistors As Qubits
One of the obstacles for progress in the quest for a working quantum computer has been that the working devices that go into a quantum…
Error Protected Quantum Bits Entangled: A Milestone in the Development of Fault-Tolerant Quantum Computers
Even computers can miscalculate. Already small disturbances change stored information and corrupt results. That is why computers use methods to continuously correct such errors. In…
Surprising Discovery of Unexpected Quantum Behavior in Insulators Suggests Existence of Entirely New Type of Particle
In a surprising discovery, Princeton physicists have observed an unexpected quantum behavior in an insulator made from a material called tungsten ditelluride. This phenomenon, known…
Quantum Entanglement of Electrons Using Heat
Quantum entanglement is key for next-generation computing and communications technology, Aalto researchers can now produce it using temperature differences. A joint group of scientists from…
Hidden Symmetry Could Be Key to Ultra-Powerful Quantum Computers
Researchers have found a way to protect highly fragile quantum systems from noise, which could aid in the design and development of new quantum devices,…