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

Symmetrized correlation function for liquid para-hydrogen using complex-time pair-product propagators.

Akira Nakayama1, Nancy Makri

  • 1Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.

The Journal of Chemical Physics
|July 20, 2006
PubMed
Summary
This summary is machine-generated.

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

Universal graph-based identifiers of chemical structures for linking large material databases.

Nature communications·2026
Same author

Small matrix path integral propagation for long-time quantum dynamics of multistate systems in one and two dimensions.

The Journal of chemical physics·2026
Same author

Frustration Protection of Exciton-Vibration Thermodynamics and Transfer.

The journal of physical chemistry letters·2025
Same author

Synergy Effects in a Bimetallic Ru ─ Pt Alloy Catalyst for Low-H<sub>2</sub>-Pressure Hydrogenolysis of Low-Density Polyethylene.

Chemistry (Weinheim an der Bergstrasse, Germany)·2025
Same author

Unveiling the Structural Factors Governing the Diffusion of Ethene in Small-Pore Zeolites through Machine Learning.

The journal of physical chemistry letters·2025
Same author

Grand Canonical Monte Carlo Simulations for Hydrogen Adsorption on Metal Surfaces Using Neural Network Potentials.

Journal of chemical theory and computation·2025
Same journal

Metastable excited states of iodide-alkyl halide cluster anions: Insights from photodetachment spectroscopy and non-Hermitian quantum chemistry.

The Journal of chemical physics·2026
Same journal

Pressure-induced thermal expansion anomalies in dhcp iron hydride associated with magnetoelastic coupling.

The Journal of chemical physics·2026
Same journal

Seniority eigenstate configuration interaction.

The Journal of chemical physics·2026
Same journal

A data-driven modeling study on the accurate identification of Doppler-free saturated absorption spectra in diatomic tellurium (130Te2).

The Journal of chemical physics·2026
Same journal

Anharmonic phonons via quantum thermal bath simulations.

The Journal of chemical physics·2026
Same journal

Quantum simulation of alignment dependent differential cross sections in co-propagating molecular beams at cold collision energies.

The Journal of chemical physics·2026
See all related articles

Researchers developed an efficient method for calculating quantum fluid properties. This approach accurately predicts early-time dynamics, including velocity autocorrelation functions and dynamic structure factors.

Area of Science:

  • Quantum fluid dynamics
  • Statistical mechanics
  • Computational physics

Background:

  • Calculating time correlation functions is crucial for understanding quantum fluid dynamics.
  • Existing methods can be computationally intensive or limited in accuracy.
  • Accurate simulation of quantum systems requires efficient theoretical frameworks.

Purpose of the Study:

  • To introduce a novel, simple, and efficient method for computing symmetrized time correlation functions in quantum fluids.
  • To provide a computationally tractable approach for analyzing quantum fluid behavior.
  • To enable accurate predictions of dynamic properties at early times.

Main Methods:

  • Employs the pair-product approximation for complex-time quantum mechanical propagators.

Related Experiment Videos

  • Reformulates symmetrized correlation functions into double integrals with positive integrands.
  • Validates the method on liquid para-hydrogen at 25 K.

    • Main Results:

    • Achieves quantitative accuracy for the early-time segment of correlation functions under moderate conditions.
    • Successfully calculates the initial 0.2 ps of the symmetrized velocity autocorrelation function for liquid para-hydrogen.
    • Obtains accurate quantum mechanical results for the incoherent dynamic structure factor at specific momentum transfers.

    Conclusions:

    • The presented method offers a significant advancement in the efficient and accurate calculation of quantum fluid properties.
    • This technique is particularly effective for early-time dynamics and provides reliable data for systems like liquid para-hydrogen.
    • The approach facilitates deeper insights into the dynamic behavior of quantum fluids through computational simulation.