2019 Impact factor 4.389
Particles and Fields


EPJ D Highlight - Bringing measuring accuracy to radical treatment

Comparison of the experiment and simulation laser induced fluorescence spectrum of hydroxyl. © Qing Xiong

Significant progress made in evaluating the density of active species used in medical applications of plasma physics could improve the accuracy of treatment

An international team of scientists working at the Plasma Technology research unit at Ghent University, Belgium, has determined for the first time the absolute density of active substances called radicals found in a state of matter known as plasma, in a study just published in EPJ D. These findings could have important implications for medicine—for example, for stimulating tissue regeneration, or to induce a targeted antiseptic effect in vivo without affecting neighbouring tissues.


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Hyperlinked references

EPJ Web of Conferences now provides online references, which are directly linked to the cited articles, via CrossRef. This allows the readers to move from one article to another at the citation level, regardless of journal or publisher.

EPJ Web of Conferences also provides a citation tracking system.

EPJ Web of Conferences adopts the Creative Commons Attribution License

Up to now, EPJ Web of Conferences contents were published under the Creative Commons Attribution Non-Commercial license. We are pleased to announce that the journal won’t restrict the commercial use of its contents any more. As a result, all open access contents at EPJ Web of Conferences will be published under the Creative Commons Attribution license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The copyright will remain with the authors.

EPJ Web of Conferences now indexed in DOAJ and NASA ADS

EPJ Web of Conferences is now indexed in the Directory of Open Access Journals (DOAJ) and NASA Astrophysics Data System (ADS).

EPJ Web of Conferences indexed in CAS, Inspec and Web of Science

EPJ Web of Conferences is indexed in the Chemical Abstracts Service (CAS), Inspec and Conference Proceedings Citation Index (Web of Science) bibliographic databases.

  • Chemical Abstracts Service (CAS) monitors, indexes, and abstracts the world's chemistry-related literature and patents. These databases offer many scientific disciplines, including chemistry, biomedical sciences, engineering, materials science, physics, and more.
  • Inspec is the IEE's comprehensive index to literature in physics, electrical/electronic technology, computing, control engineering and information technology.
  • Conference Proceedings Citation Index accessed via Web of Science, helps researchers access the published literature from the most significant conferences, symposia, seminars, colloquia, workshops, and conventions worldwide.

EPJ Data Science Highlight - Driven by friendship

© Emilio Ferrara

Dynamics of Facebook: the structure of the network drives friends to congregate into many small, highly interconnected communities

For the first time, the dynamics of how Facebook user communities are formed have been identified, revealing surprisingly few large communities and innumerable highly connected small-size communities. These findings are about to be published in EPJ Data Science by Italian scientist Emilio Ferrara, affiliated with both Indiana University in Bloomington, Indiana, USA and his home University of Messina. This work could ultimately help identify the most efficient way to spread information, such as advertising, or ideas over large networks.


EPJ E Colloquium - Hidden order in the liquid phase

A snapshot of 2D spin liquid in a supercooled state. (Fig. 3 from the paper)

A two-order parameter model proposed to describe water-like anomalies, liquid-liquid transition, glass transition, crystal nucleation and quasicrystal formation within the same framework.

The liquid state of matter is far from being a perfectly disordered homogeneous state. In a Colloquium paper published in EPJ E, Hajime Tanaka argues that to achieve a better understanding of liquids, it is crucial to recognize that a liquid has a general tendency to exhibit local structural order, and that this order is intrinsic and universal to any liquid. In other words, there is a need for a new order parameter describing a low local free-energy configuration (this is a bond-orientational order parameter in many cases), in addition to a density order parameter.


EPJ B Highlight - Persistent sync for neurons

Recorded neuron firing spikes as function of time. © B. B. M. Silva et al.

Under the scrutiny of mathematical tools designed to study complex networks, rats’ neurons reveal steady neural network coordination regardless of the animals’ behaviour

A team of Brazilian physicists working with neuroscientists studying freely behaving rats have found that their neurons often act in precise coordination over time, in a study just published in EPJ B. These findings stem from the work of Bruno Silva, a researcher at Bahia Federal University in Salvador, and his colleagues from other universities in the Northeastern region of Brazil, and suggest that neuronal networks’ memory could be explored in the future.


EPJ B Highlight - Graphene mini-lab

Electron diffusion influenced by electric field potential (in blue) in graphene. © A. Pototsky et al.

Physicists study fast-moving electrons in graphene as a model laboratory for massless particles

A team of physicists from Europe and South Africa showed that electrons moving randomly in graphene can mimic the dynamics of particles such as cosmic rays, despite travelling at a fraction of their speed, in a paper just published in EPJ B.

Andrey Pototsky and colleagues made use of their knowledge of graphene, which is made of a carbon layer, one atom thick, and packed in a honeycomb lattice pattern. In such material the interaction of electrons with atoms changes the effective mass of the electrons. As a result, the energy of electrons in graphene becomes similar to the photon energy.


L. Baudis, G. Dissertori, K. Skenderis and D. Zeppenfeld

Deputy Editors-in-Chief
D. J. Schwarz

We thank you and the Editorial Office for the editorial work during the submission and revision of the manuscripts. We are particularly grateful to the Referee for his/her valuable work which has contributed improving the scientific content of the manuscripts.

Claudio Cremaschini and Massimo Tessarotto, Silesian University in Opava, Czech Republic

ISSN: 1434-6052 (Electronic Edition)

© Società Italiana di Fisica and