The inability to test state-of-the-art theories in a laboratory setting is a major obstacle to fundamental research in physics. However, a recent breakthrough discovery is allowing scientists to observe phenomena that were previously only understood in theory or represented in science fiction. The Unruh effect is one such theory. It is a hot glow that appears above a streaming light when astronauts in spacecraft experience extreme acceleration and observe the light of stars. This effect is similar to Stephen Hawking’s expected light from a black hole, which was first predicted by Canadian scientist Bill Anruh. This is due to the fact that black holes tend to accelerate everything towards them.
Like the Hawking effect, the Unruh effect requires enormous acceleration to produce a meaningful glow. Thus the Unruh effect was thought to be so weak that it would be difficult to measure at accelerations achievable in testing with existing equipment.
Through the use of high-intensity lasers, the study team discovered a new technique for experimenting with the Unruh effect. They found that by shining a high-intensity laser at an accelerated particle, the Unruh effect could be increased to the point where it could be measured.
In an unexpected surprise, scientists found that by delicately controlling acceleration and deceleration, accelerated matter could be made transparent.
the conclusions were published In the latest edition of the journal Physical Review Letters.
The team is now preparing to conduct more laboratory tests. They are also concerned with the implications of the research for some of the most fundamental problems in physics and the nature of the universe.
Barbara Soda, PhD student in physics at the University of Waterloo, and one of the paper’s authors, said It is believed that black holes are not completely black. Instead, they must emit radiation, as Hawking discovered. This is because quantum fluctuations of radiation can escape a black hole while nothing else can.
The ability to test the phenomenon of acceleration-induced transparency along with the Unruh effect is a major step forward for physicists who have long been trying to reconcile Albert Einstein’s general theory of relativity with quantum mechanics.
Achim Kempf, professor of applied mathematics and member of the Waterloo Institute for Quantum Computing and a co-author of the study, said that while general relativity and quantum physics were now at odds, there should be a unified theory that defines how things act. in the world.