Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

One-dimensional toy model of globular clusters.

D Fanelli1, M Merafina, S Ruffo

  • 1Department of Numerical Analysis and Computer Science, KTH, S-100 44 Stockholm, Sweden. fanelli@nada.kth.se

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|June 21, 2001
PubMed
Summary

This study models globular clusters with star evaporation, revealing two distinct states based on initial energy. The findings offer insights into stellar dynamics and cluster evolution.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Effects of intrauterine ozone insufflation in eleven subfertile mares: a case series.

Journal of equine veterinary science·2026
Same author

Thermalization processes induced by quantum monitoring in multilevel systems.

Physical review. E·2021
Same author

A case report of dyshidrotic bullous pemphigoid developing after partial anterior circulation ischaemic stroke.

Oxford medical case reports·2021
Same author

First pregnancies in jennies with vitrified donkey semen using a new warming method.

Animal : an international journal of animal bioscience·2021
Same author

Cryopreservation of donkey embryos: Comparison of embryo survival rate after in vitro culture between conventional freezing and vitrification.

Theriogenology·2020
Same author

New simplified protocols for timed artificial insemination (TAI) in milk-producing donkeys.

Theriogenology·2019

Area of Science:

  • Astrophysics
  • Computational physics
  • Stellar dynamics

Background:

  • Globular clusters are dense stellar systems that lose mass and energy over time.
  • Understanding their long-term evolution requires models that account for stellar evaporation.

Purpose of the Study:

  • To introduce a simplified one-dimensional model of globular clusters.
  • To investigate the effects of mass and energy loss due to stellar evaporation.
  • To analyze the asymptotic behavior of such systems.

Main Methods:

  • Developed a one-dimensional toy model based on the gravitational sheets system.
  • Incorporated mass and energy loss via boundary star evaporation.
  • Performed numerical integration using exact event-driven dynamics.

Related Experiment Videos

  • Assumed initial uniform density and Gaussian random velocities.

    • Main Results:

    • Identified two distinct quasistationary asymptotic regimes.
    • Regime attainment depends on the system's initial energy.
    • Developed density and velocity profiles that accurately fit numerical data.
    • Enabled independent calculation of the self-consistent gravitational potential.

    Conclusions:

    • The model successfully captures key aspects of globular cluster evolution under evaporation.
    • The identified asymptotic regimes provide a framework for understanding cluster endpoints.
    • Suggested power laws for asymptotic star numbers and collision times warrant further investigation.