Vlasov equation (for long-range interactions and negligible collisions)
E236563
The Vlasov equation is a kinetic equation that describes the evolution of the distribution function of a many-particle system with long-range interactions in the collisionless (or weakly collisional) regime, widely used in plasma physics and astrophysics.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Vlasov equation (for long-range interactions and negligible collisions) canonical | 1 |
| Vlasov–Maxwell system | 1 |
| Vlasov–Poisson system | 1 |
| collisionless Boltzmann equation | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2126282 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
Target entity: Vlasov equation (for long-range interactions and negligible collisions) Context triple: [Boltzmann equation, hasLimit, Vlasov equation (for long-range interactions and negligible collisions)]
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A.
Boltzmann equation
The Boltzmann equation is a fundamental kinetic theory equation that describes the statistical behavior and time evolution of a dilute gas or particle distribution in phase space due to streaming and collisions.
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B.
Fokker–Planck equation
The Fokker–Planck equation is a partial differential equation that describes the time evolution of the probability density function of a stochastic (random) process, such as Brownian motion.
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C.
Smoluchowski coagulation equation
The Smoluchowski coagulation equation is a fundamental integro-differential equation in statistical physics that models how particles undergoing random collisions aggregate over time into larger clusters.
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D.
Gross–Pitaevskii equation
The Gross–Pitaevskii equation is a nonlinear Schrödinger-type equation that describes the macroscopic wavefunction and dynamics of weakly interacting Bose gases at ultra-cold temperatures.
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E.
Interaction of solitons in a collisionless plasma and the recurrence of initial states
"Interaction of solitons in a collisionless plasma and the recurrence of initial states" is a landmark 1965 paper by Norman J. Zabusky and Martin Kruskal that introduced the concept of solitons and demonstrated their particle-like interactions and recurrence behavior in nonlinear wave systems.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Vlasov equation (for long-range interactions and negligible collisions) Target entity description: The Vlasov equation is a kinetic equation that describes the evolution of the distribution function of a many-particle system with long-range interactions in the collisionless (or weakly collisional) regime, widely used in plasma physics and astrophysics.
-
A.
Boltzmann equation
The Boltzmann equation is a fundamental kinetic theory equation that describes the statistical behavior and time evolution of a dilute gas or particle distribution in phase space due to streaming and collisions.
-
B.
Fokker–Planck equation
The Fokker–Planck equation is a partial differential equation that describes the time evolution of the probability density function of a stochastic (random) process, such as Brownian motion.
-
C.
Smoluchowski coagulation equation
The Smoluchowski coagulation equation is a fundamental integro-differential equation in statistical physics that models how particles undergoing random collisions aggregate over time into larger clusters.
-
D.
Gross–Pitaevskii equation
The Gross–Pitaevskii equation is a nonlinear Schrödinger-type equation that describes the macroscopic wavefunction and dynamics of weakly interacting Bose gases at ultra-cold temperatures.
-
E.
Interaction of solitons in a collisionless plasma and the recurrence of initial states
"Interaction of solitons in a collisionless plasma and the recurrence of initial states" is a landmark 1965 paper by Norman J. Zabusky and Martin Kruskal that introduced the concept of solitons and demonstrated their particle-like interactions and recurrence behavior in nonlinear wave systems.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
collisionless Boltzmann equation
ⓘ
kinetic equation ⓘ partial differential equation ⓘ |
| appliesTo |
collisionless plasmas
ⓘ
many-particle systems with long-range interactions ⓘ self-gravitating stellar systems ⓘ weakly collisional plasmas ⓘ |
| assumes |
large number of particles
ⓘ
mean-field approximation ⓘ negligible binary collisions ⓘ |
| combinedWith |
Maxwell's equations
ⓘ
surface form:
Maxwell equations
Poisson equation ⓘ |
| concerns | non-equilibrium statistical mechanics ⓘ |
| describes | time evolution of a distribution function in phase space ⓘ |
| expresses | conservation of phase-space density along characteristics ⓘ |
| field |
mathematical physics
ⓘ
theoretical physics ⓘ |
| forms |
Vlasov equation (for long-range interactions and negligible collisions)
self-linksurface differs
ⓘ
surface form:
Vlasov–Maxwell system
Vlasov equation (for long-range interactions and negligible collisions) self-linksurface differs ⓘ
surface form:
Vlasov–Poisson system
|
| generalizes | collisionless limit of the Boltzmann equation ⓘ |
| governs | single-particle distribution function ⓘ |
| hasApproximation |
drift-kinetic equation
ⓘ
gyrokinetic equation ⓘ |
| hasIndependentVariable |
position
ⓘ
time ⓘ velocity ⓘ |
| hasSolutionConcept | characteristic curves in phase space ⓘ |
| introducedBy | Anatoly Vlasov ⓘ |
| mathematicalForm |
first-order partial differential equation in phase-space coordinates
ⓘ
first-order partial differential equation in time ⓘ |
| namedAfter | Anatoly Vlasov ⓘ |
| neglects | short-range collisional effects ⓘ |
| relatedTo |
Bogoliubov–Born–Green–Kirkwood–Yvon hierarchy
ⓘ
surface form:
BBGKY hierarchy
Boltzmann equation ⓘ Liouville–von Neumann equation ⓘ
surface form:
Liouville equation
|
| typeOf | mean-field kinetic theory ⓘ |
| usedFor |
study of Landau damping
ⓘ
study of plasma instabilities ⓘ study of violent relaxation in stellar systems ⓘ study of wave–particle interactions ⓘ |
| usedIn |
astrophysics
ⓘ
beam physics ⓘ galactic dynamics ⓘ nuclear fusion research ⓘ plasma physics ⓘ space physics ⓘ |
| validInRegime |
long-range electromagnetic interactions
ⓘ
long-range gravitational interactions ⓘ |
How these facts were elicited
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You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Subject: Vlasov equation (for long-range interactions and negligible collisions) Description of subject: The Vlasov equation is a kinetic equation that describes the evolution of the distribution function of a many-particle system with long-range interactions in the collisionless (or weakly collisional) regime, widely used in plasma physics and astrophysics.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.