Sentences with phrase «electromagnetic interaction»

In normal matter, this energy loss occurs via electromagnetic interactions.

The quantity in question is the fine - structure constant, a number that governs the strength of electromagnetic interactions (SN: 11/12/16, p. 24), such as those that confine electrons within atoms.

Likewise, the ratio of electrons to protons can not vary by more than 1 part in 10 to the 37th power or else electromagnetic interactions would prevent chemical reactions.

The basic idea is that, in the case of large nuclei such as gold, which have a very large positive electric charge, electromagnetic interactions play a much more important role in particle production than they do in the case when two small, equally charged protons collide.

«Physicists trace origin of electromagnetic interaction to Dirac equation.»

The atomic nucleus offers a unique opportunity to study the competition between three of the four fundamental forces known to exist in nature, the strong nuclear interaction, the electromagnetic interaction and the weak nuclear interaction.

CONSTANT QUANTIFED A team of physicists, including Weicheng Zhong of the University of California, Berkeley (pictured) has performed the most precise measurement yet of the fine - structure constant, which governs the strength of electromagnetic interactions.

Physicists would like an even faster - ticking clock to answer big nagging questions, like: Is the so - called fine structure constant, which determines the strength of electromagnetic interactions, truly constant?

An international group of physicists has traced the origin of an electromagnetic interaction to the Dirac equation, a fundamental equation of quantum physics.

Dirac's 1927 paper on this interaction is seen as the first step tow - ards a theory now called quantum electro - dynamics or QED, the theory of the electromagnetic interaction of charged particles.

«What hides the symmetry between the weak and electromagnetic interactions?

«One of the great recent achievements of modern physics is a quantum field theory in which weak and electromagnetic interactions are understood to arise from a common symmetry.

Although the weak and electromagnetic interactions are linked through symmetry, their manifestations in the everyday world are very different.

This model describes three types of forces: electromagnetic interactions, which cause all phenomena associated with electric and magnetic fields and the spectrum of electromagnetic radiation; strong interactions, which bind atomic nuclei; and the weak nuclear force, which governs beta decay — a form of natural radioactivity — and hydrogen fusion, the source of the sun's energy.

Along with gravity, the electromagnetic interaction and weak nuclear force, strong - interactions are one of four fundamental forces.

Lead scientist Professor Tim Gershon, from The University of Warwick's Department of Physics, explains: «Gravity describes the universe on a large scale from galaxies to Newton's falling apple, whilst the electromagnetic interaction is responsible for binding molecules together and also for holding electrons in orbit around an atom's nucleus.

Due in part to the forces» relative simplicity, scientists have previously been able to solve the equations behind gravity and electromagnetic interactions, but the strength of the strong interaction makes it impossible to solve the equations in the same way.

«If we observe exactly the asymmetry we predict based on the electromagnetic interaction, then this becomes very strong evidence to support our hypothesis,» Nakagawa said.

The electromagnetic interaction gives rise to forces on electrically charged bodies.

When the electrons and the lattice experience a particular kind of electromagnetic interaction, or coupling, the energy potential for the electron is lowered, thus trapping it within the lattice.

Electromagnetic interactions are certainly a candidate and the contribution of resonances is almost always «underinvestigated»