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ANN ARBOR—An odd, iridescent material that's puzzled physicists for decades turns out to be an exotic state of matter that could open a new path to quantum computers and other next-generation electron...
Quantum mechanical calculations reveal the hidden states of enzyme active sites（图）
enzyme active sites Quantum mechanical
2014/12/1
Enzymes carry out fundamental biological processes such as photosynthesis, nitrogen fixation and respiration, with the help of clusters of metal atoms as “active” sites. But scientists lack basic info...
While the Martinis Lab at UC Santa Barbara has been focusing on quantum computation, former postdoctoral fellow Pedram Roushan and several colleagues have been exploring qubits (quantum bits) for quan...
MagLab Discovery Could Be Crucial Step to Quantum Computer（图）
The magnet. Graphene. Materials Dc physical
2014/7/18
TALLAHASSEE, Fla. – Researchers from Columbia University working at the National High Magnetic Field Laboratory (MagLab) have observed a physical phenomenon in bilayer graphene that could usher in a n...
Scientists at Yale University have confirmed a 50-year-old, previously untested theoretical prediction in physics and improved the energy storage time of a quantum switch by several orders of magnitud...
JILA physicists discover 'quantum droplet' in semiconductor（图）
quantum droplet semiconductor
2014/3/20
JILA physicists used an ultrafast laser and help from German theorists to discover a new semiconductor quasiparticle—a handful of smaller particles that briefly condense into a liquid-like droplet.
Seeking Quantum-ness: D-Wave Chip Passes Rigorous Tests（图）
D-Wave Chip Passes Rigorous Tests
2014/3/20
With cutting-edge technology, sometimes the first step scientists face is just making sure it actually works as intended.
The USC Viterbi School of Engineering is home to the USC-Lockheed Martin...
Stirring-up atomtronics in a quantum circuit: What's so 'super' about this superfluid（图）
super a quantum circuit
2014/3/20
While pursuing the goal of turning a cloud of ultracold atoms into a completely new kind of circuit element, physicists have demonstrated that such a cloud-known as a Bose-Einstein condensate (BEC)-ca...
Scientists use 'voting' and 'penalties' to overcome errors in quantum optimization（图）
voting penalties
2014/3/18
Study demonstrates that when the D-Wave quantum processor is led astray by noise, error correction can ensure that it functions as intended
Scientists have taken a quantum leap forward towards future computing after discovering that ‘background interference’ in quantum-level measurements, may be the very thing they need to unlock the pote...
Quantum communications boosted by solid memory devices（图）
Quantum communications solid memory devices
2011/1/21
Two independent groups have demonstrated how a pair of entangled photons can transfer their entanglement to and from a solid – the process that should one day form the backbone of so-called quantum me...
Quantum theory survives latest challenge（图）
Quantum theory latest challenge Albert Einstein
2011/1/21
Since quantum mechanics was first formulated, a string of physicists including Albert Einstein have been uncomfortable with the idea of entanglement – whereby a group of quantum particles have a close...
Quantum gravity corrects QED（图）
Quantum gravity QED
2010/11/30
This week's issue of Nature includes a paper that's remarkable for two reasons: it is about quantum gravity – a topic usually not covered in the journal – and it is written by just one person. Now, af...
A new optical chip that allows pairs of photons to take a quantum walk has been unveiled by an international team of physicists. The tiny device contains an array of 21 coupled optical waveguides and ...
Molecular machines could be capable of quantum mechanical tunnelling – something normally seen in very tiny particles like electrons and atoms. That’s the claim of researchers at the University of Cal...