Ultralight dark matter has wavelike properties that could affect the operation of the clocks.
Global Positioning SystemsUniversity of Delaware physicist Marianna Safronova and collaborators Yu-Dai Tsai of the University of California, Irvine, and Joshua Eby of the University of Tokyo and the Kavli Institute for the Physics and the Mathematics of the Universe want to put these "precision timepieces to work in the quest to find dark matter,"According to the researchers, in a particular region of the solar system, between the orbit of Mercury and the Sun, the density of large...
Atomic clocks, which operate by measuring the frequency of photons emitted in transitions of various states in atoms, could pick up these signals. And if there is ultralight dark matter in the presence of the clock experiment, the frequencies will be modified - slightly increasing the oscillations of the dark matter and decreasing the photon energy.
"The more dark matter there is around the experiment, the larger these oscillations are, so the local density of dark matter matters a lot when analyzing the signal," EbyAs per the paper, the work would be done by atomic, nuclear, and molecular clocks that are" Safronova said in a statement. The Parker Solar Probe is an ongoing NASA mission that sent a spacecraft closer to the Sun than any other spacecraft has gone before.
"It showed that you could send a satellite very close to the Sun, sensing new conditions and making discoveries. That is much closer to the Sun than what we are proposing here," she said.Clock mission demonstrated the best atomic clock in space until now, but Safronova stresses that various types of clocks based on higher frequencies have been developed in the past 15 years.
"There is a whole range of great things we can do in space," Safronova said. "We are at the very, very beginning of that."Recent advances in quantum sensors, including atomic clocks, enable searches for a broad range of dark matter candidates. The question of the dark matter distribution in the Solar system critically affects the reach of dark matter direct detection experiments.
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