Sentences with phrase «with pairs of particles»

Thanks to quantum uncertainty, empty space roils with pairs of particles flitting in and out of existence.

Not exact matches

In the drive to improve early detection and treatment of cancer, a pair of Toronto scientists has developed a unique technology that combines contrast agents with targeted, long - lasting nano - particles for use in multiple medical imaging platforms.

The thought experiment assumed that with paired particles, if the spin of one changes, the spin of the other also changes.

Theo, I gave you observed examples of effects with no cause, particle pairs forming out of the vacuum all the time, throughout space.

Stapp's thesis is quite compatible with its being determined experimentally that changes in the orientation of the spin - measuring device applied to one member of such a pair of particles have no significant effect upon the statistical make - up of spin - measurement results for the second member of such particle pairs.

In other words, the possible spin values (with respect to a given axis) for one member of a pair of until - recently interacting particles are not the same in case the spin of the second member of the pair is to be measured along one axis as they would be if the spin of the second particle were to be measured along another axis — even if the selection of the axis for the second particle can be made after the two particles have ceased interacting.

In quantum physics, the Heisenberg uncertainty principle states that one can not assign, with full precision, values for certain pairs of observable variables, including the position and momentum, of a single particle at the same time even in theory.

The EPR authors described a source, such as a radioactive nucleus, that shot out pairs of particles with the same speed but in opposite directions.

Equally striking, if less well known, are the so - called squeezed quantum states: Normally, Heisenberg's uncertainty principle means that one can not measure the values of certain pairs of physical quantities, such as the position and velocity of a quantum particle, with arbitrary precision.

The technicolour force would fill space with pairs of new particles, which would form a soup through which other particles would travel, gaining mass in the process.

Thanks to quantum uncertainty, the vacuum roils with particle - antiparticle pairs flitting in and out of existence too fast to detect directly.

Quantum mechanics dictates that such short - lived particle pairs arise from even empty space, infusing the vacuum with its own ripples of activity.

Entanglement occurs when particles become correlated in pairs to predictably interact with each other regardless of how far apart they are.

And experiments with different types of DNA tethers showed that having flexible DNA strands was essential to accommodate the pairing of differently shaped particles.

Because physicists have also created pairs of photons, particles of light, called qudits, with a D, for multiple dimensions.

This is a consequence of quantum theory, which says that a vacuum is not truly empty, but fizzes with fleeting pairs of particles and their antimatter counterparts.

The decaying theoretical underpinnings for simple WIMP models, paired with the growing list of empty - handed detection efforts, have led Feng and many others to propose that WIMPs are part of a more complicated picture: a hidden realm of the universe filled with varieties of dark particles interacting with one another through a suite of dark forces, perhaps exchanging dark charges through bursts of dark light.

As it turned out, with the help of a new dark force, interacting particles could trade in some of their kinetic energy to produce a positron — electron pair, a proposal put forth by Finkbeiner and study co-author Neal Weiner, an N.Y.U. physicist, last year.

In one case they made two different arrangements of the same three pairs of particles of different sizes, producing products with different optical properties.

The existence of antimatter partners for all matter particles is now a well - verified phenomenon, with both partners for hundreds of such pairings observed.

On December 15, the LHC's two largest particle detectors, called ATLAS and CMS, both reported an unexpected excess of pairs of photons with a combined energy of 750 gigaelectronvolts (GeV).

Due to a quirk of the strong force, an accelerator can produce new particle pairs from the proton by imparting extra energy to the particles, with a beam of electrons.

«We used to be confined to pairing with spin one - half particles, says the lead author of the study and a UMD assistant research scientist, Hyunsoo Kim.

«We're using precisely shaped DNA constructs made as a scaffold and single - stranded DNA tethers as a programmable glue that matches up particles according to the pairing mechanism of the genetic code — A binds with T, G binds with C,» said Wenyan Liu of the CFN, the lead author on the paper.

Last year, a team of nuclear physicists in Hungary observed an anomaly in the decays of excited beryllium - 8 atoms — an unexpected preference for spitting out pairs of particles with a particular angle of separation.

«As already mentioned, there is no stable nucleus with five or eight nuclear particles [nucleons], so it is not possible to build nuclei heavier than helium by adding neutrons or protons to helium (4He) nuclei, or by fusing pairs of helium nuclei.

There are two main theoretical models, one based on small magnetite particles that may reorient in an external magnetic field and the other based on the idea that upon photo excitation a certain type of molecules in the eye of a bird support a radical pair formed by two electrons which evolve under the joint action of the Zeeman interaction with the external magnetic field and the hyperfine interaction with the supporting molecule.

For the most part, entangled particles are like a pair of carefully boxed mail - order coins with the same (random) side up.

Wilson's graphic fluency and absurdist sense of humor (one piece features typewriter keys floating like water lilies, another pairs two gramophone horns blasting particles at each other) recall the 1970s paintings of Philip Guston, whose figural motifs flowed with a prolificacy and naturalness verging on the speed of thought.

Considering a broad collision process whereby a large number of particles or agents randomly and repeatedly interact in pairs, with prearranged conservation law (s).