News tagged with quantum spin

Researchers engineer molecular magnets to act as long-lived qubits

(PhysOrg.com) -- Some physicists today are investigating the possibility of using molecular magnets as information storage units in future quantum computers. Molecular magnets are molecules whose magnetic ...

Physics / General Physics

created Mar 21, 2012 | popularity 4.8 / 5 (14) | comments 0 | with audio podcast feature

Could silicon be ideal in quantum computing?

(PhysOrg.com) -- "Quantum computing could provide a way to significantly speed up the way we process certain algorithms," Malcolm Carroll tells PhysOrg.com. "The primary issue, though, is that you need a well controlled two-le ...

Physics / Quantum Physics

created Sep 16, 2011 | popularity 5 / 5 (9) | comments 1 | with audio podcast feature

Sensitivity of precision measurements enhanced by the environment

(PhysOrg.com) -- When it comes to quantum measurements, interaction with the environment usually limits sensitivity, since it causes decoherence. But in a new study, scientists have shown that the environment ...

Physics / Quantum Physics

created Apr 27, 2011 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast feature

Could the combination of general relativity and quantum mechanics lead to spintronics?

(PhysOrg.com) -- In the early 20th century, two famous discoveries about spin were made. One of them, discovered by Albert Einstein and Wander Johannes de Haas, explains a relationship between the spin of elementary particles. ...

Physics / Quantum Physics

created Mar 03, 2011 | popularity 4.5 / 5 (26) | comments 8 | with audio podcast feature

Physicists demonstrate 100-fold speed increase in optical quantum memory

(PhysOrg.com) -- As with today's computers, future quantum computers will require more than just quantum information processing; they will also require methods to store and retrieve the quantum information. ...

Physics / Optics & Photonics

created Apr 01, 2010 | popularity 4.5 / 5 (31) | comments 0 | with audio podcast feature

Researchers Design Triple Quantum Dot for Quantum Information Applications

(PhysOrg.com) -- While quantum dots have existed since the 1980s, only in the past decade have physicists successfully created lateral few-electron single quantum dots. These quantum dots enable physicists ...

Nanotechnology / Nanophysics

created Nov 30, 2009 | popularity 4.7 / 5 (18) | comments 0 feature

Proposed Quantum Computer Consists of Billions of Electron Spins

(PhysOrg.com) -- While researchers have already demonstrated the building blocks for few-bit quantum computers, scaling these systems up to large quantum computers remains a challenge. One of the biggest problems ...

Physics / Quantum Physics

created Sep 09, 2009 | popularity 4.6 / 5 (27) | comments 23 feature

New study proves that much-sought exotic quantum state of matter can exist

(PhysOrg.com) -- The world economy is becoming ever more reliant on high tech electronics such as computers featuring fingernail-sized microprocessors crammed with billions of transistors. For progress to ...

Physics / Quantum Physics

created Aug 15, 2011 | popularity 4.7 / 5 (15) | comments 4 | with audio podcast

Subatomic quantum memory in diamond demonstrated

Physicists working at the University of California, Santa Barbara and the University of Konstanz in Germany have developed a breakthrough in the use of diamond in quantum physics, marking an important step ...

Physics / Quantum Physics

created Jun 27, 2011 | popularity 4.4 / 5 (11) | comments 32 | with audio podcast

Ultrathin copper-oxide layers behave like quantum spin liquid

(PhysOrg.com) -- Magnetic studies of ultrathin slabs of copper-oxide materials reveal that at very low temperatures, the thinnest, isolated layers lose their long-range magnetic order and instead behave like ...

Physics / Superconductivity

created Jun 10, 2011 | popularity 4.7 / 5 (7) | comments 1 | with audio podcast

Quantum mapmakers complete first voyage through spin liquid

(PhysOrg.com) -- Scientists from Oxford University have mapped a state of matter called 'quantum spin liquid', whose existence was proposed in the 1970s but which has only been observed recently.

Physics / Quantum Physics

created Apr 01, 2011 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Getting to know the strong force, one of the four fundamental forces of the universe

(PhysOrg.com) -- In new work, high-energy physicists have observed two long-sought quantum states in the bottomonium family of sub-atomic particles. The result will help researchers better understand one of ...

Physics / General Physics

created Mar 31, 2011 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Scientists produce a crystal that could help unlock the mystery of high-temperature superconductors

MIT scientists have synthesized, for the first time, a crystal they believe to be a two-dimensional quantum spin liquid: a solid material whose atomic spins continue to have motion, even at absolute zero temperature.

Physics / Superconductivity

created Mar 29, 2011 | popularity 4.4 / 5 (11) | comments 0 | with audio podcast

Is space like a chessboard?

(PhysOrg.com) -- Physicists at UCLA set out to design a better transistor and ended up discovering a new way to think about the structure of space.

Physics / General Physics

created Mar 18, 2011 | popularity 4.4 / 5 (38) | comments 59 | with audio podcast

Creating a pure spin current in graphene

(PhysOrg.com) -- Graphene is a material that has the potential for a number of future applications. Scientists are interested in using graphene for quantum computing and also as a replacement for electronics. However, in ...

Nanotechnology / Nanophysics

created Feb 07, 2011 | popularity 5 / 5 (13) | comments 10 | with audio podcast feature