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Updated: Aug 16, 2025
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An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids
Published on: December 4, 2017
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Field Theory Approaches to Relativistic Hydrodynamics
Nahuel Mirón Granese1,2,3, Alejandra Kandus4, Esteban Calzetta3,5
1Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Rivadavia 1917, Ciudad de Buenos Aires CP 1033, Argentina.
Entropy (Basel, Switzerland)
|December 23, 2022
Summary
Relativistic fluid dynamics are impacted by thermal and turbulent fluctuations. The Martin-Siggia-Rose technique transforms these hydrodynamic problems into quantum field theory for analysis.
Area of Science:
- Physics
- Quantum Field Theory
- Fluid Dynamics
Background:
- Relativistic fluids exhibit complex dynamics influenced by thermal and turbulent fluctuations.
- Nonlinearity in these systems amplifies the effects of fluctuations.
Purpose of the Study:
- To apply the Martin-Siggia-Rose technique to analyze fluctuations in relativistic fluids.
- To investigate thermal fluctuations in the spin two modes of a relativistic fluid.
Main Methods:
- Utilizing the Martin-Siggia-Rose (MSR) technique.
- Translating hydrodynamic problems into quantum field theory (QFT) frameworks.
- Employing the Boltzmann equation with the relaxation time approximation to derive hydrodynamics.
Main Results:
- The MSR technique provides a method to study fluctuations in relativistic hydrodynamics.
- Analysis of thermal fluctuations in spin two modes was performed.
Conclusions:
- The MSR technique is a powerful tool for studying relativistic fluid dynamics out of equilibrium.
- This approach leverages advancements in quantum field theory for hydrodynamic problems.
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