Unraveling the mysteries of cosmic 'heartbeats' through supercomputer simulations

The image depicts the quantum vortex network model as proposed by the study authors. The pink p-wave inner core surrounds the grey s-wave outer core (Courtesy of Muneto Nitta and Shigehiro Yasui).
The image depicts the quantum vortex network model as proposed by the study authors. The pink p-wave inner core surrounds the grey s-wave outer core (Courtesy of Muneto Nitta and Shigehiro Yasui).

In the vast expanse of the cosmos, a mysterious phenomenon has fascinated astronomers for decades: the irregular "heartbeats" of dead neutron stars. A team of researchers from Hiroshima University in Japan has used supercomputer simulations to uncover the origin of these cosmic pulses. The "heartbeats" are irregular pulses coming from ultra-dense remnants of massive stars called neutron stars, offering insights into the dynamics of these celestial bodies. Despite their rhythmic precision, these pulses occasionally deviate from their regular pattern, hinting at an unknown force.

By analyzing observational data from rapidly spinning neutron stars known as pulsars, the researchers have discovered a fundamental link between quantum vortex networks and the power law behavior of glitch energies. This groundbreaking discovery sheds light on a phenomenon that has long puzzled scientists.

Professor Muneto Nitta, the study's corresponding author, expressed optimism about the team's groundbreaking discovery. By examining the structure of superfluids within neutron stars, the researchers unveiled a mechanism involving interconnected quantum vortices that explains the erratic pulses emitted by these dead stars.

This study represents the fusion of astrophysics, nuclear physics, and condensed matter physics and has opened the door to forging connections between the interior structures of these celestial bodies and observational data. It marks a significant step forward in our quest for cosmic understanding and inspiration.