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…
Quantum Physics
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,…
Quantum Nanodevice Can Be Both a Heat Engine and Refrigerator at the Same Time
A multitasking nanomachine that can act as a heat engine and a refrigerator at the same time has been created by RIKEN engineers. The device…
Scientists Chemically Age Quantum Dots in a Test Tube
Researchers from MIPT and the RAS Institute of Problems of Chemical Physics have proposed a simple and convenient way to obtain arbitrarily sized quantum dots…
Entangled Photons Created 100 Times More Efficiently Than Previously Possible
Fast, ultra-bright photon source brings scalable quantum photonics within reach. Super-fast quantum computers and communication devices could revolutionize countless aspects of our lives — but first,…
New, More Precise Atomic Clock Could Help Detect Dark Matter and Study Gravity’s Effect on Time
The new atomic clock design, which uses entangled atoms, could help scientists detect dark matter and study gravity’s effect on time. Atomic clocks are the…
Counter-Intuitive Quantum Mechanics: State of Vibration That Exists Simultaneously at Two Different Times
When Light and Atoms Share a Common Vibe An especially counter-intuitive feature of quantum mechanics is that a single event can exist in a state…
Ultra-Thin Designer Materials Unlock Elusive Quantum Phenomena With Huge Impact for Quantum Computing
New research, published in Nature, has measured highly sought-after Majorana quantum states. A team of theoretical and experimental physicists have designed a new ultra-thin material…
Major Computing Breakthrough: Copenhagen Researchers Can Now Achieve “Quantum Advantage”
University of Copenhagen researchers have advanced their quantum technology to such a degree that classical computing technology can no longer keep up. They have developed…
Ultracold Atoms Reveal a Surprising New Type of Quantum Magnetic Behavior
The findings may help researchers design “spintronic” devices and novel magnetic materials. A new study illuminates surprising choreography among spinning atoms. In a paper appearing…
Amazing Twist: “Magic” Angle Graphene and the Creation of Unexpected Topological Quantum States
Electrons inhabit a strange and topsy-turvy world. These infinitesimally small particles have never ceased to amaze and mystify despite the more than a century that…
Quantum Interference Phenomenon Identified That Occurs Through Time
Since the very beginning of quantum physics, a hundred years ago, it has been known that all particles in the universe fall into two categories:…
Multiple Wavelengths of Light Emitted From a Single Source Using Carbon Dot Nanoparticles
KAIST researchers have synthesized a collection of nanoparticles, known as carbon dots, capable of emitting multiple wavelengths of light from a single particle. Additionally, the…
Direct Visualization of Quantum Dots Reveals Shape of Quantum Wave Function of the Trapped Electrons
Researchers used a scanning tunneling microscope to visualize quantum dots in bilayer graphene, an important step toward quantum information technologies. Trapping and controlling electrons in…
Combining Quantum Physics and the Theory of Relativity: Sound-Waves From a Quantum Vacuum at the Black Hole Laboratory
Researchers have developed a new theory for observing a quantum vacuum that could lead to new insights into the behavior of black holes. The Unruh…