Topological Quantum States in Graphene Created by Laser Pulses
Discovering ways to control the topological aspects of quantum materials is an important research frontier because it can lead to desirable electrical and spin transport…
Quantum Mechanics
“Spooky” Quantum Tunneling Observed by Chemists
Extremely large electric fields can prevent umbrella-shaped ammonia molecules from inverting. A molecule of ammonia, NH3, typically exists as an umbrella shape, with three hydrogen…
Quantum Destabilization of a Water Sandwich – Laws of Classical Physics Break Down
When a thin layer of water is squeezed between two hydrophobic surfaces, the laws of classical physics break down. From raindrops rolling off the waxy…
Evading Heisenberg’s Uncertainty Principle Isn’t Easy
EPFL researchers, with colleagues at the University of Cambridge and IBM Research–Zurich, unravel novel dynamics in the interaction between light and mechanical motion with significant…
Faster, More Secure Communications Using Structured Light in Quantum Protocols
Quantum mechanics is embracing patterns of light to create an alphabet that can be leveraged to build a light-based quantum network. Structured light is a…
Cryptography Without Using Secret Keys – White Paint as an Unclonable Key
Most security applications, for instance, access to buildings or digital signatures, use cryptographic keys that must at all costs be kept secret. That also is…
Researchers Watch Quantum Knots Untie – “Surprising Result”
After first reporting the existence of quantum knots, Aalto University & Amherst College researchers now report how the knots behave. A quantum gas can be…
Efficient Quantum-Mechanical Interface Leads to a Strong Interaction Between Light and Matter
Researchers have succeeded in creating an efficient quantum-mechanical light-matter interface using a microscopic cavity. Within this cavity, a single photon is emitted and absorbed up…
“Completely Unexpected” – MIT Scientists Discover Fractal Patterns in Quantum Material
The X-ray-focusing lens used in the experiment is based on a design used in lighthouses for centuries. A fractal is any geometric pattern that occurs…
Quantum Paradox Experiment Puts Einstein to the Test – May Lead to More Accurate Clocks and Sensors
More accurate clocks and sensors may result from a recently proposed experiment, linking an Einstein-devised paradox to quantum mechanics. University of Queensland physicist Dr. Magdalena…
New Quantum-Mechanical Dissipation Mechanism Observed for the First Time
How to control friction in topological insulators. Topological insulators are innovative materials that conduct electricity on the surface, but act as insulators on the inside….
Physicists Put Einstein to the Test With a Quantum-Mechanical Twin Paradox
Physicists from Ulm University put Einstein to the test — Atomic clock on space-time voyage: a quantum-mechanical twin paradox. Ulm’s most famous son, Albert Einstein,…
“Closer to Our Daily Life” – Scientists Observe a Single Quantum Vibration at Room Temperature
Studying a common material under ordinary conditions, researchers bring quantum behavior “closer to our daily life.” When a guitar string is plucked, it vibrates as…
World’s Most Efficient Single-Photon Source Created Using Time Multiplexing
Next-generation single-photon source for quantum information science: Kwiat group achieves most efficient single-photon production ever. Over the last two decades, tremendous advances have been made…
Using Quantum Wells to Cool Electronics With No Moving Parts
University of Tokyo researchers have announced a new approach for electrical cooling without the need for moving parts. By applying a bias voltage to quantum…
Quantum Vacuum: Negative Energy & Repulsive Gravity
Is it possible to borrow energy from an empty space? And if yes, do we have to give it back? Energy values smaller than zero…
Quantum Superposition Record: 2000 Atoms in Two Places at Once
The quantum superposition principle has been tested on a scale as never before in a new study by scientists at the University of Vienna in…
Micius Quantum Satellite Shows Bridge Between Quantum Mechanics and General Relativity Still Possible
Quantum mechanics and the general theory of relativity form the bedrock of the current understanding of physics — yet the two theories don’t seem to…