Physical Review Letters


08 Mar 2021
What is the origin of black holes and how is that question connected with another mystery, the nature of dark matter? Dark matter comprises the majority of matter in the Universe, but its nature remains unknown.
25 Feb 2021
An international team of scientists led by the Galician Institute of High Energy Physics and the University of Aveiro, including an undergraduate from the Department of Physics at The Chinese University of Hong Kong (CUHK), has proposed the collision of two exotic compact objects known as boson stars as an alternative explanation for the origin of the gravitational wave signal GW190521.
25 Dec 2020
In their paper, the team described a novel scenario for PBH formation and showed that the black holes from the “multiverse” scenario can be found using the Hyper Suprime-Cam (HSC) of the 8.2m Subaru Telescope, a gigantic digital camera—the management of which Kavli IPMU has played a crucial role—near the 4,200 meter summit of Mt. Mauna Kea in Hawaii.
23 Dec 2020
Osaka City University scientists have developed mathematical formulas to describe the current and fluctuations of strongly correlated electrons in quantum dots. Their theoretical predictions could soon be tested experimentally.
02 Dec 2020
Yuto Minami at KEK and Eiichiro Komatsu at Kavli IPMU developed a new method to calibrate detectors to the light from dust in our Galaxy, thereby describing a new physics, with 99.2 percent accuracy, that may show parity symmetry breaking.
31 Aug 2020
The quantum chromodynamics (QCD) phase transition in core-collapse supernovae has been examined for the first time, using state-of-the-art multi-dimensional supernova simulations and unique imprints of such a phase transition on the emitted gravitational-wave and neutrino signals have been detected. The findings have been reported in a paper jointly authored by Professor Ming-chung Chu and Dr. Lap-Ming Lin from The Chinese University of Hong Kong (CUHK), Dr. Shuai Zha (CUHK PhD 2019) and Professor Evan O’Connor from Stockholm University, and Professor Sean M. Couch from Michigan State University. It was recently published and selected as Editors’ Suggestion in the Physical Review Letters, a top physics journal.
06 Apr 2020
Two Kavli IPMU string theorists and a condensed-matter theorist have found a quantum mechanical anomaly in the duality between the electric field and the magnetic field, which could play a role in removing an inconsistency in string theory.
matter and anti-matter timeline
03 Feb 2020
Gravitational waves could contain evidence to prove that neutrino particles reshuffled matter and anti-matter, explains a new study.
26 Aug 2019
A recent study, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has laid a solid foundation for further study of dispersive interaction by verifiying a new mechanism for matter-wave diffraction.
Figure 1
19 Jun 2019
Using holography, researchers have found that when gravity is combined with quantum mechanics, symmetry is not possible.
mg-scale suspended mirror
17 May 2019
One of the most unknown phenomena in modern physics is gravity. Its measurement and laws remain somewhat of an enigma. Researchers at Tohoku University have revealed important information about a new aspect of the nature of gravity by probing the smallest mass-scale.
Triplet Superconductivity Demonstrated Under High Pressure
18 Apr 2019
Researchers in France and Japan have demonstrated a theoretical type of unconventional superconductivity in a uranium-based material, according to a study published in the journal Physical Review Letters.
Figure 1
27 Feb 2019
New study finds dark matter may scatter against each other only when they hit the right energy, which could explain why galaxies from the smallest to the biggest have the shapes they do.


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