The arrival time and energy of FRBs traverse the time-energy bivariate space like a Brownian motion
Fuente:
arXiv
Saved in:
| Main Authors: | , , , , , , , |
|---|---|
| Format: | Preprint |
| Published: |
2023
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866916136633761792 |
|---|---|
| author | Zhang, Yong-Kun Li, Di Feng, Yi Wang, Pei Niu, Chen-Hui Dai, Shi Yao, Ju-Mei Tsai, Chao-Wei |
| author_facet | Zhang, Yong-Kun Li, Di Feng, Yi Wang, Pei Niu, Chen-Hui Dai, Shi Yao, Ju-Mei Tsai, Chao-Wei |
| contents | The origin of fast radio bursts (FRBs), the brightest cosmic explosion in radio bands, remains unknown. We introduce here a novel method for a comprehensive analysis of active FRBs' behaviors in the time-energy domain. Using ``Pincus Index'' and ``Maximum Lyapunov Exponent'', we were able to quantify the randomness and chaoticity, respectively, of the bursting events and put FRBs in the context of common transient physical phenomena, such as pulsar, earthquakes, and solar flares. In the bivariate time-energy domain, repeated FRB bursts' behaviors deviate significantly (more random, less chaotic) from pulsars, earthquakes, and solar flares. The waiting times between FRB bursts and the corresponding energy changes exhibit no correlation and remain unpredictable, suggesting that the emission of FRBs does not exhibit the time and energy clustering observed in seismic events. The pronounced stochasticity may arise from a singular source with high entropy or the combination of diverse emission mechanisms/sites. Consequently, our methodology serves as a pragmatic tool for illustrating the congruities and distinctions among diverse physical processes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2305_18052 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | The arrival time and energy of FRBs traverse the time-energy bivariate space like a Brownian motion Zhang, Yong-Kun Li, Di Feng, Yi Wang, Pei Niu, Chen-Hui Dai, Shi Yao, Ju-Mei Tsai, Chao-Wei High Energy Astrophysical Phenomena The origin of fast radio bursts (FRBs), the brightest cosmic explosion in radio bands, remains unknown. We introduce here a novel method for a comprehensive analysis of active FRBs' behaviors in the time-energy domain. Using ``Pincus Index'' and ``Maximum Lyapunov Exponent'', we were able to quantify the randomness and chaoticity, respectively, of the bursting events and put FRBs in the context of common transient physical phenomena, such as pulsar, earthquakes, and solar flares. In the bivariate time-energy domain, repeated FRB bursts' behaviors deviate significantly (more random, less chaotic) from pulsars, earthquakes, and solar flares. The waiting times between FRB bursts and the corresponding energy changes exhibit no correlation and remain unpredictable, suggesting that the emission of FRBs does not exhibit the time and energy clustering observed in seismic events. The pronounced stochasticity may arise from a singular source with high entropy or the combination of diverse emission mechanisms/sites. Consequently, our methodology serves as a pragmatic tool for illustrating the congruities and distinctions among diverse physical processes. |
| title | The arrival time and energy of FRBs traverse the time-energy bivariate space like a Brownian motion |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2305.18052 |