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 Concept Videos

Shock Waves01:16

Shock Waves

2.7K
While deriving the Doppler formula for the observed frequency of a sound wave, it is assumed that the speed of sound in the medium is greater than the source's speed through it. When this condition is breached, a shock wave occurs.
When the source's speed approaches the speed of sound, constructive interference between successive wavefronts emitted by the source occurs immediately behind it. Initially, scientists believed that this constructive interference would result in such high...
2.7K
Elastic Collisions: Case Study01:15

Elastic Collisions: Case Study

21.0K
Elastic collision of a system demands conservation of both momentum and kinetic energy. To solve problems involving one-dimensional elastic collisions between two objects, the equations for conservation of momentum and conservation of internal kinetic energy can be used. For the two objects, the sum of momentum before the collision equals the total momentum after the collision. An elastic collision conserves internal kinetic energy, and so the sum of kinetic energies before the collision equals...
21.0K
Elastic Collisions: Introduction01:00

Elastic Collisions: Introduction

15.5K
An elastic collision is one that conserves both internal kinetic energy and momentum. Internal kinetic energy is the sum of the kinetic energies of the objects in a system. Truly elastic collisions can only be achieved with subatomic particles, such as electrons striking nuclei. Macroscopic collisions can be very nearly, but not quite, elastic, as some kinetic energy is always converted into other forms of energy such as heat transfer due to friction and sound. An example of a nearly...
15.5K
Types Of Collisions - I01:04

Types Of Collisions - I

9.7K
When two objects come in direct contact with each other, it is called a collision. During a collision, two or more objects exert forces on each other in a relatively short amount of time. A collision can be categorized as either an elastic or inelastic collision. If two or more objects approach each other, collide and then bounce off, moving away from each other with the same relative speed at which they approached each other, the total kinetic energy of the system is said to be conserved. This...
9.7K
Hydraulic Jump01:29

Hydraulic Jump

835
A hydraulic jump is a sudden rise in fluid depth in open channels, occurring when high-velocity (supercritical) flow transitions to low-velocity (subcritical) flow. This phenomenon requires an upstream Froude number greater than 1, as flows with Fr1<1 remain subcritical, making a hydraulic jump impossible due to the need for negative head loss, which violates thermodynamic principles.The characteristics of a hydraulic jump depend on the upstream Froude number and are classified as...
835
Collisions in Multiple Dimensions: Introduction01:05

Collisions in Multiple Dimensions: Introduction

7.3K
It is far more common for collisions to occur in two dimensions; that is, the initial velocity vectors are neither parallel nor antiparallel to each other. Let's see what complications arise from this. The first idea is that momentum is a vector. Like all vectors, it can be expressed as a sum of perpendicular components (usually, though not always, an x-component and a y-component, and a z-component if necessary). Thus, when the statement of conservation of momentum is written for a...
7.3K

You might also read

Related Articles

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

Sort by
Same author

Holographic Signatures of Critical Collapse.

Physical review letters·2019
Same author

Nonlinear Evolution of the AdS_{4} Superradiant Instability.

Physical review letters·2019
Same author

Constraining Relativistic Generalizations of Modified Newtonian Dynamics with Gravitational Waves.

Physical review letters·2017
Same author

Holographic turbulence.

Physical review letters·2014
Same author

Holographic vortex liquids and superfluid turbulence.

Science (New York, N.Y.)·2013
Same author

Holography and Colliding gravitational shock waves in asymptotically AdS5 spacetime.

Physical review letters·2011

Related Experiment Video

Updated: Mar 28, 2026

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids
11:03

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

Published on: December 4, 2017

9.1K

Colliding Shock Waves and Hydrodynamics in Small Systems.

Paul M Chesler1

  • 1Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.

Physical Review Letters
|December 27, 2015
PubMed
Summary
This summary is machine-generated.

Numerical holography simulates energy collisions, mimicking proton-nucleus interactions. The resulting debris, despite initial chaos, is effectively modeled by viscous hydrodynamics, suggesting a new approach for analyzing particle collisions.

More Related Videos

Visualization of High Speed Liquid Jet Impaction on a Moving Surface
08:34

Visualization of High Speed Liquid Jet Impaction on a Moving Surface

Published on: April 17, 2015

12.1K
Impacts of Free-falling Spheres on a Deep Liquid Pool with Altered Fluid and Impactor Surface Conditions
08:49

Impacts of Free-falling Spheres on a Deep Liquid Pool with Altered Fluid and Impactor Surface Conditions

Published on: February 17, 2019

7.1K

Related Experiment Videos

Last Updated: Mar 28, 2026

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids
11:03

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

Published on: December 4, 2017

9.1K
Visualization of High Speed Liquid Jet Impaction on a Moving Surface
08:34

Visualization of High Speed Liquid Jet Impaction on a Moving Surface

Published on: April 17, 2015

12.1K
Impacts of Free-falling Spheres on a Deep Liquid Pool with Altered Fluid and Impactor Surface Conditions
08:49

Impacts of Free-falling Spheres on a Deep Liquid Pool with Altered Fluid and Impactor Surface Conditions

Published on: February 17, 2019

7.1K

Area of Science:

  • High-energy physics
  • Computational physics

Background:

  • Proton-nucleus (pA) collisions are complex, producing significant energy and particle debris.
  • Understanding the initial conditions and subsequent evolution of collision debris is crucial for nuclear physics.

Purpose of the Study:

  • To investigate the collision dynamics of energy distributions using numerical holography.
  • To determine if viscous hydrodynamics can describe the post-collision evolution of debris from simulated pA collisions.

Main Methods:

  • Numerical holography was employed to simulate the collision between a planar energy sheet and a localized energy distribution.
  • The simulation mimicked conditions relevant to proton-nucleus collisions.

Main Results:

  • The collision generated a localized debris lump with a transverse size inversely proportional to the effective temperature (R∼1/T_{eff}).
  • The debris exhibited large gradients and significant transverse flow immediately after the collision.
  • Despite these initial complexities, the debris's subsequent evolution was accurately described by viscous hydrodynamics.

Conclusions:

  • The study demonstrates that viscous hydrodynamics is a suitable model for describing the evolution of debris from simulated proton-nucleus collisions.
  • These findings support the application of hydrodynamics to model debris produced in actual proton-nucleus collision experiments.