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Scientific posts in the field of physics are mainly extremely brief and handle a really limited subject. An exceptional exception to this is a short article released just recently by physicists from the Universities of Münster and Düsseldorf. The post is 127 pages long, points out an overall of 1075 sources and handle a large range of branches of physics – from biophysics to quantum mechanics.

Dynamical Density Functional Theory

Time axis revealing the variety of publications connecting to dynamical density practical theory. Credit: M. te Vrugt et al.

The post is a so-called evaluation post and was composed by physicists Michael te Vrugt and Prof. Raphael Wittkowski from the Institute of Theoretical Physics and the Center for Soft Nanoscience at the University of Münster, together with Prof. Hartmut Löwen from the Institute for Theoretical Physics II at the University of Düsseldorf. The objective of such evaluation posts is to offer an intro to a specific discipline and to sum up and examine the existing state of research study in this location for the advantage of other scientists.

“In our case we deal with a theory used in very many areas – the so-called dynamical density functional theory (DDFT),” discusses last author Raphael Wittkowski. “Since we deal with all aspects of the subject, the article turned out to be very long and wide-ranging.”

DDFT is a technique for explaining systems including a a great deal of engaging particles such as are discovered in liquids, for instance. Understanding these systems is very important in many fields of research study such as chemistry, strong state physics, or biophysics. This in turn results in a big range of applications for DDFT, for instance in products science and biology.

“DDFT and related methods have been developed and applied by a number of researchers in a variety of contexts,” states lead author Michael te Vrugt. “We investigated which approaches there are and how they are connected – and for this purpose we needed to do a lot of work acting as historians and detectives,” he includes.

The post has actually been released in the journal Advances in Physics, which has an effect element of 30.91 – making it the most crucial journal in the field of condensed matter physics. It just releases 4 to 6 posts annually. The very first post on DDFT, composed by Robert Evans, was likewise released in “Advances in Physics”, in 1979. “This makes it especially gratifying that our review has also been published in this journal,” states secondary author Hartmut Löwen. “It deals with all the important theoretical aspects and fields of application of DDFT and will probably become a standard work in our field of research.”

Reference: “Classical dynamical density functional theory: from fundamentals to applications” by Michael te Vrugt, Hartmut Löwen and Raphael Wittkowski, 20 December 2020, Advances in Physics.
DOI: 10.1080/00018732.2020.1854965

The Wittkowski working group is being moneyed by the German Research Foundation DFG (WI 4170/3-1). The Löwen working group is likewise getting financial backing from the DFG (LO 418/25-1).

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