A new study reports on a deep new probe into the interface between the theories of gravity and quantum mechanics, using ultra-high energy neutrino particles detected by a particle detector set deep into the Antarctic glacier at the south pole.
Einstein's theory of general relativity explains that gravity is caused by a curvature of the directions of space and time. The most familiar manifestation of this is the Earth's gravity, which keeps us on the ground and explains why balls fall to the floor and individuals have weight when stepping on a scale.
"The challenge of unifying quantum mechanics with the theory of gravitation remains one of the most pressing unsolved problems in physics," said co-author Benjamin Jones, associate professor of physics."If the gravitational field behaves in a similar way to the other fields in nature, its curvature should exhibit random quantum fluctuations."
"We searched for those fluctuations by studying the flavors of neutrinos detected by the IceCube Observatory," Negi said."Our work resulted in a measurement that was far more sensitive than previous ones , but it did not find evidence of the expected quantum gravitational effects."
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