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Title: DL_POLY Quantum 2.0: A modular general-purpose software for advanced path integral simulations

Journal Article · · Journal of Chemical Physics
DOI: https://doi.org/10.1063/5.0197822 · OSTI ID:2331274
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4]
  1. University of Missouri-Kansas City, MO (United States); University of Missouri-Kansas City
  2. University of Missouri-Kansas City, MO (United States); New Jersey Institute of Technology, Newark, NJ (United States)
  3. University of Missouri-Kansas City, MO (United States)
  4. New Jersey Institute of Technology, Newark, NJ (United States)

DL_POLY Quantum 2.0, a vastly expanded software based on DL_POLY Classic 1.10, is a highly parallelized computational suite written in FORTRAN77 with a modular structure for incorporating nuclear quantum effects into large-scale/long-time molecular dynamics simulations. This is achieved by presenting users with a wide selection of state-of-the-art dynamics methods that utilize the isomorphism between a classical ring polymer and Feynman’s path integral formalism of quantum mechanics. Here, the flexible and user-friendly input/output handling system allows the control of methodology, integration schemes, and thermostatting. DL_POLY Quantum is equipped with a module specifically assigned for calculating correlation functions and printing out the values for sought-after quantities, such as dipole moments and center-of-mass velocities, with packaged tools for calculating infrared absorption spectra and diffusion coefficients.

Research Organization:
University of Missouri-Kansas City, MO (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE); National Science Foundation (NSF)
Grant/Contract Number:
SC0024512
OSTI ID:
2331274
Journal Information:
Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 13 Vol. 160; ISSN 0021-9606
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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