Tag

Fuzzy Dark Matter

All articles tagged with #fuzzy dark matter

science2 years ago

"Unveiling the Dark Matter Solution to Black Hole's Final Parsec Problem"

A new study suggests that fuzzy dark matter, a variation of dark matter made of low-mass scalar particles, could help solve the final parsec problem of black hole mergers. Simulations using regular dark matter and general relativity alone have failed to explain the details of how black holes merge. Fuzzy dark matter, with its more "fuzzy" distribution, could increase the rate of orbital decay for black holes, particularly supermassive ones. Direct observations of supermassive black holes are needed to confirm this hypothesis. Future observations from NANOGrav and the planned LISA gravitational wave observatory may provide the necessary evidence.

astronomy2 years ago

Unveiling the Dark Matter Solution to Black Hole's Final Parsec Problem

A new study suggests that fuzzy dark matter, a variation of standard cold dark matter made of low-mass scalar particles, could potentially help solve the final parsec problem of black hole mergers. Computer simulations currently fail to show black holes merging, instead stabilizing when they are about a parsec apart. Fuzzy dark matter, with its more "fuzzy" distribution, could increase the rate of orbital decay for black holes, particularly supermassive ones. However, further observations of supermassive black holes are needed to confirm or rule out this idea.

astronomy2 years ago

"Surprising Discovery: Galaxy Comprised Mostly of Mysterious Dark Matter"

A newly discovered dwarf galaxy called Nube, found by chance in images gathered by the IAC Stripe82 Legacy Project, is mostly comprised of dark matter and is the largest ultra-diffuse galaxy known. While it supports the dark matter cosmological model, it doesn't match the profile of the popular variant known as cold dark matter, instead fitting a version called fuzzy dark matter. This finding suggests that there may be more dwarf galaxies made mostly of dark matter in our celestial neighborhood, waiting to be discovered.

science-and-astronomy2 years ago

Ultracold state of matter reveals potential dark matter candidate's fuzziness.

Scientists have used an ultracold state of matter called Bose-Einstein condensate (BEC) to mimic the behavior of "fuzzy" dark matter, which is believed to be made up of tiny particles with wave-like behavior. The team found that BECs resembled the physical state at the cores of fuzzy dark matter "halos" and that there were specific similarities with BECs. This achievement is promising for future attempts to create laboratory settings that replicate aspects of matter distribution in the universe on a smaller scale.