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Preparing your materials

Policy on prior publication

When authors submit manuscripts to this journal, these manuscripts should not be under consideration, accepted for publication or in press within a different journal, book or similar entity, unless explicit permission or agreement has been sought from all entities involved. However, deposition of a preprint on the author’s personal website, in an institutional repository, or in a preprint archive shall not be viewed as prior or duplicate publication. Authors should follow the Cambridge University Press Preprint Policy regarding preprint archives and maintaining the version of record. 

Overleaf

Overleaf is a free online tool for writing and submitting scholarly manuscripts. An Overleaf template is available for this journal, which allows authors to easily comply with the journal’s guidelines.

Benefits of using Overleaf include:

  • An intuitive interface, in which authors can write in LaTeX or rich text and see a preview of their article typeset in the journal’s style
  • Features enabling collaboration with co-authors (the ability to share, highlight and comment on versions of articles)
  • Sophisticated version control
  • Clean PDF conversion and submission into the journal’s online manuscripts system (supporting materials can also be added during this process)

Overleaf is based on LaTeX but includes a rich text mode. An author writing in Overleaf would need to have some knowledge of LaTeX, but could collaborate through the tool with an author who is not a LaTeX expert. Overleaf’s tutorial pages include a two minute video and an introduction to LaTeX course, and Overleaf also provides support for authors using the tool.

You can access the JPP Overleaf template here.

Preparing your article for submission

Authors are strongly encouraged to compose their papers in LATEX. Authors should use the jpp.cls style file and supporting files provided below:

LaTeX Template files for submission (zip file).

A PDF of the LATEX file should then be generated and submitted via the submission site. The LATEX source file should not initially be submitted alongside the PDF, but upon provisional acceptance of the paper, the LATEX source file, along with individual figure files and a PDF of the final version, will need to be submitted for typesetting purposes. See the publication process after acceptance page for further information.

Authors may also compose their papers in Word, though this will lead to the paper spending a longer period in production. If using Word, please note that equations must NOT be converted to picture format and the file must be saved with the option ‘make equation editable’.

Abstract and Keywords preparation

All papers should feature a single-paragraph abstract of no more than 250 words, which provides a summary of the main aims and results. Further guidance on writing an effective abstract can be found here.

Authors should not enter keywords on the manuscript, as these must be chosen by the author during the online submission process and will then be added during the production process. For further details, please see the submitting your materials page.

Notation and Style

Generally any queries concerning notation and journal style can be answered by viewing recent pages in the Journal. However, the following guide provides the key points to note. It is expected that Journal style will be followed, and authors should take care to define all variables or entities upon first use. Also note that footnotes are not normally accepted.

Mathematical notation

Setting variables, functions, vectors, matrices etc

Italic font should be used for denoting variables, with multiple-letter symbols avoided except in the case of dimensionless numbers.

Upright Roman font (or upright Greek where appropriate) should be used for:

Operators: sin, log, d, ∆, e etc.

Constants: i (√−1), π (defined as \upi), etc.

Functions: Ai, Bi (Airy functions, defined as \Ai and \Bi), Re (real part, defined as \Real), Im (imaginary part, defined as \Imag), etc.

Physical units: cm, s, etc

Abbreviations: c.c. (complex conjugate), h.o.t. (higher-order terms), DNS, etc.

Bold italic font (or bold sloping Greek) should be used for:

Vectors (with the centred dot for a scalar product also in bold): i · j

Bold sloping sans serif font, defined by the \mathsfbi macro, should be used for:
Tensors and matrices: D

Script font can be used as an alternative to italic when the same letter denotes a different quantity (use \mathcal in LATEX)

The product symbol (×) should only be used to denote multiplication where an equation is broken over more than one line, to denote a cross product, or between numbers (the · symbol should not be used, except to denote a scalar product specifically).

Other symbols
A centred point should be used only for the scalar product of vectors. Large numbers that are not scientific powers should not include commas, but have the form 1600 or 16 000 or 160 000. 

Tables and Artwork

Tables

Tables, however small, must be numbered sequentially in the order in which they are mentioned in the text. The word table is only capitalized at the start of a sentence.

Figures

Figures should be as small as possible while displaying clearly all the information required, and with all lettering readable. Every effort should be taken to avoid figures that run over more than one page. There is no charge for colour figures. For review purposes figures should be embedded within the manuscript. Upon final acceptance, however, individual figure files will be required for production. 

Each figure should be accompanied by a single caption, to appear beneath, and must be cited in the text. Figures should appear in the order in which they are first mentioned in the text and figure files must be named accordingly to assist the production process (and numbering of figures should continue through any appendices). Failure to follow figure guidelines may result in a request for resupply and a subsequent delay in the production process.

For further information, please consult the Cambridge Journals artwork guide

Citations and References 

All papers included in the References section must be cited in the article, and vice versa. Citations should be included as, for example “It has been shown (Rogallo 1981) that...” (using the \citep command, part of the natbib package) “recent work by Dennis (1985)...” (using \citet). 

Where there are up to ten authors, all authors’ names should be given in the reference list. Where there are more than ten authors, only the first name should appear, followed by et al.


Acknowledgements 

Acknowledgements should be included at the end of the paper, before the References section or any appendicies, and should be a separate paragraph without a heading.

Multimedia Content Publishing

The Journal of Plasma Physics publishes papers that contain multimedia content.

Authors wishing to submit a paper containing multimedia content should visit the JPP online submission system to submit their work.

Authors who have multimedia content that they wish to include as part of their paper should include this within the body of the article. Authors should also include the individual multimedia files as part of their original submission with the file designation 'movie'. The multimedia files should appear in the order in which they are first mentioned in the text and the multimedia files should be named accordingly.

Authors should also provide a relevant frame still from the video clip that they feel is representative of the content of the multimedia file. This will be used as an image that users can click on to start playback of the multimedia content.

For further information please contact the Editorial Office.

English language editing services 

Authors, particularly those whose first language is not English, may wish to have their English-language manuscripts checked by a native speaker before submission. This step is optional, but may help to ensure that the academic content of the paper is fully understood by the Editor and any reviewers.  

In order to help prospective authors to prepare for submission and to reach their publication goals, Cambridge University Press offers a range of high-quality manuscript preparation services – including language editing – delivered in partnership with American Journal Experts. You can find out more on our Language Services page.

Please note that the use of any of these services is voluntary, and at the author's own expense. Use of these services does not guarantee that the manuscript will be accepted for publication, nor does it restrict the author to submitting to a Cambridge-published journal. 

Seeking permission for copyrighted material

If your article contains any material in which you do not own copyright, including figures, charts, tables, photographs or excerpts of text, you must obtain permission from the copyright holder to reuse that material. As the author it is your responsibility to obtain this permission and pay any related fees, and you will need to send us a copy of each permission statement at acceptance.

For information on how to obtain permission, please refer to this guidance document.

Competing Interests

All authors must include a competing interest declaration in their main manuscript file. This declaration will be subject to editorial review and may be published in the article. 

Competing interests are situations that could be perceived to exert an undue influence on the content or publication of an author’s work. They may include, but are not limited to, financial, professional, contractual or personal relationships or situations. 

If the manuscript has multiple authors, the author submitting must include competing interest declarations relevant to all contributing authors. 

Example wording for a declaration is as follows: “Competing interests: Author 1 is employed at organisation A, Author 2 is on the Board of company B and is a member of organisation C. Author 3 has received grants from company D.” If no competing interests exist, the declaration should state “Competing interests: The author(s) declare none”. 

Ethics and Transparency Policy requirements

Please refer to JPP's Publishing Ethics and Research Transparency policies when preparing your manuscript.

Authorship and contributorship

All authors listed on any papers submitted to this journal must be in agreement that the authors listed would all be considered authors according to disciplinary norms, and that no authors who would reasonably be considered an author have been excluded. For further details on this journal’s authorship policy, please see this journal's publishing ethics policies.

During the submission process, the Corresponding Author must declare that they have the authority of all co-authors for the submission. The Corresponding Author will be asked this question when they submit the article for review.

Author affiliations

Author affiliations should represent the institution(s) at which the research presented was conducted and/or supported and/or approved. For non-research content, any affiliations should represent the institution(s) with which each author is currently affiliated. 

For more information, please see our author affiliation policy and author affiliation FAQs.

ORCID

We require all corresponding authors to identify themselves using ORCID when submitting a manuscript to this journal. ORCID provides a unique identifier for researchers and, through integration with key research workflows such as manuscript submission and grant applications, provides the following benefits:

  • Discoverability: ORCID increases the discoverability of your publications, by enabling smarter publisher systems and by helping readers to reliably find work that you have authored.
  • Convenience: As more organisations use ORCID, providing your iD or using it to register for services will automatically link activities to your ORCID record, and will enable you to share this information with other systems and platforms you use, saving you re-keying information multiple times.
  • Keeping track: Your ORCID record is a neat place to store and (if you choose) share validated information about your research activities and affiliations.

See our ORCID FAQs for more information.

If you don’t already have an iD, you will need to create one if you decide to submit a manuscript to this journal. You can register for one directly from your user account on ScholarOne, or alternatively via https://ORCID.org/register.

If you already have an iD, please use this when submitting your manuscript, either by linking it to your ScholarOne account, or by supplying it during submission using the "Associate your existing ORCID iD" button.

Supplementary materials

Material that is not essential to understanding or supporting a manuscript, but which may nonetheless be relevant or interesting to readers, may be submitted as supplementary material. Supplementary material will be published online alongside your article, but will not be published in the pages of the journal. Types of supplementary material may include, but are not limited to, appendices, additional tables or figures, datasets, videos, and sound files.

Supplementary materials will not be typeset or copyedited, so should be supplied exactly as they are to appear online. Please see our general guidance on supplementary materials for further information.

Data Availability - our preferred repository is Zenodo

Where relevant we encourage authors to publish additional qualitative or quantitative research outputs in an appropriate repository, and cite these in manuscripts. JPP has partnered with Zenodo to provide authors with the tools to do this. Zenodo is a free service that gives authors the ability to deposit and provide access to the data objects or datasets that underlie the figures and tables in their published research. Zenodo assigns all publically available uploads a DOI so that the datasets can be easily referenced. For further information and guidelines on how to deposit a dataset in Zenodo, please read the separate document JPP-Zenodo guide for authors.



Author Hub

You can find guides for many aspects of publishing with Cambridge at Author Hub, our suite of resources for Cambridge authors.