Trend Results : Theoretical Physics

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Stephen Hawking had pinned his hopes on 'M-theory' to fully explain the universe—here's what it is

Rumour has it that Albert Einstein spent his last few hours on Earth scribbling something on a piece of paper in a last attempt to formulate a theory of everything. Some 60 years later, another legendary figure in theoretical physics, Stephen Hawking, may have passed away with similar thoughts. Show More Summary

Researchers demonstrate existence of new form of electronic matter

Researchers have produced a "human scale" demonstration of a new phase of matter called quadrupole topological insulators that was recently predicted using theoretical physics. These are the first experimental findings to validate this theory.

Chapman University's Institute for Quantum Studies partners with Perimeter Institute

(Chapman University) Chapman University's Institute for Quantum Studies (IQS) has partnered with Perimeter Institute for Theoretical Physics to facilitate joint research, collaboration, and visiting positions.

Interview with Theoretical Physicist Clifford V. Johnson

Clifford V. Johnson is a professor in the Physics and Astronomy Department at the USC. “I mainly work on  (super)string theory, gravity, gauge theory and M-theory right now, which lead me to think about things like space-time, quantum mechanics, black holes, the big bang, extra dimensions, quarks, gluons, and so forth.” Clifford V. Johnson runs a […]

Physics: Can Dark Matter Cool? Thousands of 'Clumps' Might Exist Outside Hot Galactic Halos

last monthNews : Newsweek: US

A new theoretical model of dark matter suggests it contains two distinct varieties of charged particles, which would allow it to form compact objects.

Interference as a new method for cooling quantum devices

(Institute of Science and Technology Austria) Theoretical physicists propose to use negative interference to control heat flow in quantum devices. Study published in Physical Review Letters

40-year controversy in solid-state physics resolved

An international team at BESSY II headed by Prof. Oliver Rader has shown that the puzzling properties of samarium hexaboride do not stem from the material being a topological insulator, as was previously proposed. Theoretical and initial...Show More Summary

Team finds two theoretical physics models to be equivalent

Two Yale-NUS College undergraduates are part of a research team that concluded that two different mathematical models, which describe the same physical phenomenon, are essentially equivalent. The discovery could have implications for future research into magnetoresistance and its practical applications in a wide range of electronic devices. Show More Summary

Physicists have learned to change the wavelength of Tamm plasmons

(Siberian Federal University) Scientists from Siberian Federal University (SFU) and the L. V. Kirensky Institute of Physics (SB RAS) conducted theoretical studies of hybrid Tamm plasmons. Using numerical calculations, they were ableShow More Summary

"Cosmic Messengers" --New Unified Theory of Solves Mystery of Origin of Astroparticles

One of the biggest mysteries in astroparticle physics has been the origins of ultrahigh-energy cosmic rays, very high-energy neutrinos, and high-energy gamma rays. Now, a new theoretical model reveals that they all could be shot out into space after cosmic...        

New for three types of extreme-energy space particles: Theory shows unified origin

(Penn State) One of the biggest mysteries in astroparticle physics has been the origins of ultrahigh-energy cosmic rays, very high-energy neutrinos, and high-energy gamma rays. Now, a new theoretical model reveals that they all could be shot out into space after cosmic rays are accelerated by powerful jets from supermassive black holes. Show More Summary

Viewpoint: Spin Gyroscope is Ready to Look for New Physics

Author(s): Derek F. Jackson Kimball An enhanced version of a magnetometer based on atomic spins could be used to search for theoretically predicted exotic fields with ultrahigh sensitivity. [Physics 11, 5] Published Tue Jan 16, 2018

Quan­tum physics turned into tan­gi­ble re­al­ity

ETH physicists have developed a silicon wafer that behaves like a topological insulator when stimulated using ultrasound. They have thereby succeeded in turning an abstract theoretical concept into a macroscopic product.

General approach for the solution of lattice gauge theories

It is not the daily occurrence that physicists from entirely different fields closely work together. However, in theoretical physics a general ansatz can offer solutions for a large variety of problems. A team of scientists from theShow More Summary

A look into the fourth dimension

(ETH Zurich) In our daily experience space has three dimensions. Recently, however, a physical phenomenon that only occurs in four spatial dimensions could be observed in two experiments. The theoretical groundwork for those experiments was laid by an ETH researcher.

"Dark Matter is a Mythical Beast" --A New Theory of Gravity and the Dark Side of the Cosmos (A 'Galaxy' 2017 Most Viewed)

The classical theory of gravity is in dire need of new approaches, since it doesn't combine well with quantum physics. Both theories, crown jewels of 20th century physics, cannot be true at the same time. A Dutch theoretical physicist and...        

Physics: Scientists Accidentally Discover Completely New Kind of Quantum Material Whose Electrons Act Like Rays of Light

3 months agoNews : Newsweek: US

Physicists stumbled upon a new theoretical model in which electrons suddenly act the way a ray of light does.

Researchers chart the 'secret' movement of quantum particles

Researchers from the University of Cambridge have taken a peek into the secretive domain of quantum mechanics. In a theoretical paper published in the journal Physical Review A, they have shown that the way that particles interact with their environment can be used to track quantum particles when they're not being observed, which had been thought to be impossible.

Gravitational Waves Reveal Origin of Two Orbiting Black Holes --"Formed Inside a Massive Dying Star"

"In this exciting, new era of gravitational wave astronomy, we don't know what we'll find, or where it will lead us," says Joseph Fedrow of Kyoto University's Yukawa Institute for Theoretical Physics. "But our work here will help to illuminate...        

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