News tagged with quantum gravity


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UCSB physicists move one step closer to quantum computing

UCSB physicists move one step closer to quantum computing

Physics / Quantum Physics

created Nov 20, 2009 | popularity 5 / 5 (6) | comments 0

Physicists at UC Santa Barbara have made an important advance in electrically controlling quantum states of electrons, a step that could help in the development of quantum computing. The work is published ...


Solving big problems

Solving big problems with new quantum algorithm

Physics / Quantum Physics

created Nov 09, 2009 | popularity 4.6 / 5 (32) | comments 0

(PhysOrg.com) -- In a recently published paper, Aram Harrow at the University of Bristol and colleagues from MIT in the United States have discovered a quantum algorithm that solves large problems much faster ...


Do we need dark matter?

Do we need dark matter?

Physics / General Physics

created Nov 12, 2009 | popularity 4.2 / 5 (20) | comments 35

It's the biggest problem in physics: the matter we can see in the universe accounts for just five per cent of the observed gravity that holds galaxies together.


Quantum gas microscope offers glimpse of quirky ultracold atoms

Quantum gas microscope offers glimpse of quirky ultracold atoms

Physics / Quantum Physics

created Nov 04, 2009 | popularity 4.6 / 5 (19) | comments 4

(PhysOrg.com) -- Physicists at Harvard University have created a quantum gas microscope that can be used to observe single atoms at temperatures so low the particles follow the rules of quantum mechanics, ...


JQI researchers create entangled photons from quantum dots

Physics / Quantum Physics

created Nov 18, 2009 | popularity 4.3 / 5 (8) | comments 1

To exploit the quantum world to the fullest, a key commodity is entanglement—the spooky, distance-defying link that can form between objects such as atoms even when they are completely shielded from one another. Now, physicists ...


Using superconducting probes to get a picture of what it's like inside CNTs

Nanotechnology / Nanophysics

created Nov 20, 2009 | popularity 4.9 / 5 (8) | comments 0

(PhysOrg.com) -- "Carbon nanotubes are exciting for fundamental physics, and for potential technological applications," Nadya Mason tells PhysOrg.com. "However, we are generally limited in the way that we can study them. ...


Research continues on secure, mobile, quantum communications

Technology / Engineering

created Oct 27, 2009 | popularity 5 / 5 (2) | comments 0

Researcher Dr. David H. Hughes of the Air Force Research Laboratory in Rome, N.Y. is leading a team investigating long-distance, mobile optical links imperative for secure quantum communications capabilities in theater.


Small nanoparticles bring big improvement to medical imaging

Small nanoparticles bring big improvement to medical imaging

Nanotechnology / Bio & Medicine

created Nov 18, 2009 | popularity 5 / 5 (3) | comments 0

If you're watching the complex processes in a living cell, it is easy to miss something important—especially if you are watching changes that take a long time to unfold and require high-spatial-resolution ...


Creating a six-qubit cluster state

Physics / Quantum Physics

created Nov 02, 2009 | popularity 4.6 / 5 (10) | comments 2

(PhysOrg.com) -- Many scientists believe that quantum entanglement is required in order for effective quantum computing. Entanglement takes place when there is a connection that exists between two objects - even when they ...


A line on string theory

A line on string theory

Physics / General Physics

created Nov 12, 2009 | popularity 4.7 / 5 (46) | comments 15

(PhysOrg.com) -- A Harvard theoretical physicist has discussed with scientists at the Large Hadron Collider in Switzerland the possibility that they may discover a theorized "stau" particle, with a lifetime ...



List of search results for quantum gravity