Evidence map›Paper›PMID 41051799›Full record

ArticleThe journal of physical chemistry letters2025

Accelerated Free Energy Estimation in

Pontus Svensson, Fotios Kalkavouras, Uwe Hernandez Acosta, Zhandos A Moldabekov, Panagiotis Tolias, Jan Vorberger, Tobias Dornheim

Abstract read
In one paragraph

Article in The journal of physical chemistry letters, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Pontus SvenssonCenter for Advanced Systems Understanding (CASUS), D-02826 Görlitz, Germany.ORCID 0000-0002-7013-208X
Fotios KalkavourasSpace and Plasma Physics, Royal Institute of Technology (KTH), Stockholm SE-100 44, Sweden.
Uwe Hernandez AcostaCenter for Advanced Systems Understanding (CASUS), D-02826 Görlitz, Germany.
Zhandos A MoldabekovCenter for Advanced Systems Understanding (CASUS), D-02826 Görlitz, Germany.ORCID 0000-0002-9725-9208
Panagiotis ToliasSpace and Plasma Physics, Royal Institute of Technology (KTH), Stockholm SE-100 44, Sweden.ORCID 0000-0001-9632-8104
Jan VorbergerHelmholtz-Zentrum Dresden-Rossendorf (HZDR), D-01328 Dresden, Germany.
Tobias DornheimCenter for Advanced Systems Understanding (CASUS), D-02826 Görlitz, Germany.ORCID 0000-0001-7293-6615

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We present a methodology for accelerating the estimation of the free energy from path integral Monte Carlo simulations by considering an intermediate artificial reference system where interactions are inexpensive to evaluate numerically. Using the spherically averaged Ewald interaction as this intermediate reference system for the uniform electron gas, the interaction contribution for the free energy was evaluated up to 18 times faster than the Ewald-only method. Furthermore, an extrapolation technique with respect to the quantum statistics was tested and applied to alleviate the Fermion sign problem. Combining these two techniques enabled the evaluation of the free energy for a system of 1000 electrons, where both finite-size and statistical errors are below chemical accuracy. The general procedure can be applied to systems relevant for planetary and inertial confinement fusion modeling with low to moderate levels of quantum degeneracy.

Identifiers

PMID41051799
PMCPMC12536444

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.