Friday, August 29, 2025
Science
No Result
View All Result
  • Login
  • HOME
  • SCIENCE NEWS
  • CONTACT US
  • HOME
  • SCIENCE NEWS
  • CONTACT US
No Result
View All Result
Scienmag
No Result
View All Result
Home Science News Space

Fast radio burst, a rolling cosmic dice

April 12, 2024
in Space
Reading Time: 2 mins read
0
An artist's impression illustrates a compact object’s generating FRBs
66
SHARES
602
VIEWS
Share on FacebookShare on Twitter
ADVERTISEMENT

Fast radio bursts (FRBs) represent the most intense radio explosions in the Universe, releasing sufficient energy, within just a thousandth of a second, to power the global human society for a trillion years. Since the first discovery in 2007, FRBs have garnered significant attention, culminating in the 2023 Shaw Prize in Astronomy. With yet unknown origin, these extreme cosmic bursts are among the most enigmatic phenomena in astronomy as well as physics.

An artist's impression illustrates a compact object’s generating FRBs

Credit: ©Science China Press

Fast radio bursts (FRBs) represent the most intense radio explosions in the Universe, releasing sufficient energy, within just a thousandth of a second, to power the global human society for a trillion years. Since the first discovery in 2007, FRBs have garnered significant attention, culminating in the 2023 Shaw Prize in Astronomy. With yet unknown origin, these extreme cosmic bursts are among the most enigmatic phenomena in astronomy as well as physics.

Causality dictates that FRB sources should be smaller than c·dt in size, where c is the speed of light and dt is the duration of the events. For a typical 1 millisecond burst, this implies a region smaller than 300 kilometers, implying compact objects such as neutron stars or black holes to be the FRBs’ engines. Fast spin have been observed in most compact objects, give rise to the expectation of periodicity in repeating FRBs’ bursts. However, extensive searches for periodicity from millisecond to second scales have all failed, prompting a re-evaluation of FRB emission mechanisms.

A team led by Professor Di Li from the National Astronomical Observatories of the Chinese Academy of Sciences has introduced a novel approach to characterize the FRBs’ behavior in the time-energy bivariate phase space. Quantifying the randomness and chaos using generalized “Pincus Index” and “Lyapunov Exponent”, respectively, they manage to place FRBs in the context of other common physical events like pulsars, earthquakes, and solar flares, systematically.

Both randomness and chaos cause unpredictability, but they are distinct. The unpredictability of a random sequence stays constant over time, picturing rolling dice—the outcome of each roll bears no link to the previous one. In chaotic systems, unpredictability increases exponentially over time. For example, anyone can predict the weather in the coming seconds by looking up and around, while it is still challenging for mankind to predict weather for longer term accurately.

The team found FRBs to roam around the energy-time phase space, with lower level of chaos but higher degree of randomness than those of earthquakes and solar flares. The pronounced randomness of FRB emissions suggests a combination of multiple emission mechanisms or locations. This study establishes a new frame of quantifying FRBs and gets us closer to finally revealing the origin of these violent cosmic explosions: who is rolling the cosmic dice?

###

See the article:

Yong-Kun Zhang, Di Li, Yi Feng, Pei Wang, Chen-Hui Niu, Shi Dai, Ju-Mei Yao, Chao-Wei Tsai. The arrival time and energy of FRBs traverse the time-energy bivariate space like a Brownian motion. Science Bulletin 2024;69(8):1020-1026



Journal

Science Bulletin

DOI

10.1016/j.scib.2024.02.010

Share26Tweet17
Previous Post

Researchers discover cell ‘crosstalk’ that triggers cancer cachexia

Next Post

Cleveland Innovation District partners exceeding many targets set by state and JobsOhio

Related Posts

blank
Space

Geometric Bases for su(3) and Kuperberg Bracket

August 28, 2025
blank
Space

Wormholes: Matter’s New Interaction Conduits

August 28, 2025
blank
Space

Datacenters’ Digital Footprint: Emissions Unveiled

August 28, 2025
blank
Space

Knots, Quarks, and Universal Connections

August 28, 2025
blank
Space

GPU-accelerated TPC hits light speed!

August 28, 2025
blank
Space

New Insights on Planet Formation: Scientists Uncover Distorted Protoplanetary Discs

August 27, 2025
Next Post
Cleveland Innovation District Partners Exceeding Many Targets Set by State and JobsOhio

Cleveland Innovation District partners exceeding many targets set by state and JobsOhio

  • Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study

    Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study

    27541 shares
    Share 11013 Tweet 6883
  • University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept

    954 shares
    Share 382 Tweet 239
  • Bee body mass, pathogens and local climate influence heat tolerance

    642 shares
    Share 257 Tweet 161
  • Researchers record first-ever images and data of a shark experiencing a boat strike

    509 shares
    Share 204 Tweet 127
  • Warm seawater speeding up melting of ‘Doomsday Glacier,’ scientists warn

    312 shares
    Share 125 Tweet 78
Science

Embark on a thrilling journey of discovery with Scienmag.com—your ultimate source for cutting-edge breakthroughs. Immerse yourself in a world where curiosity knows no limits and tomorrow’s possibilities become today’s reality!

RECENT NEWS

  • Enhanced Outcomes with Revised Oocyte Warming Protocol
  • Completing the Loop: A 360° Journey in Biomedical Engineering
  • Muscle Strength’s Impact on Osteosarcopenia Patients
  • Revolutionary U-Net Enhances Liver Tumor Segmentation Precision

Categories

  • Agriculture
  • Anthropology
  • Archaeology
  • Athmospheric
  • Biology
  • Blog
  • Bussines
  • Cancer
  • Chemistry
  • Climate
  • Earth Science
  • Marine
  • Mathematics
  • Medicine
  • Pediatry
  • Policy
  • Psychology & Psychiatry
  • Science Education
  • Social Science
  • Space
  • Technology and Engineering

Subscribe to Blog via Email

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 4,859 other subscribers

© 2025 Scienmag - Science Magazine

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In
No Result
View All Result
  • HOME
  • SCIENCE NEWS
  • CONTACT US

© 2025 Scienmag - Science Magazine

Discover more from Science

Subscribe now to keep reading and get access to the full archive.

Continue reading