arXiv.org e-Print archive
"arXiv is a curated research-sharing platform open to anyone. As a pioneer in digital open access, arXiv.org now hosts more than two million scholarly articles in eight subject areas, curated by our strong community of volunteer moderators."(About)
NDC: 420
APS Physics
"American Physical Society (APS) is a non-profit membership organization working to advance and diffuse the knowledge of physics through its outstanding research journals, scientific meetings, and education, outreach, advocacy and international activities."(meta name="description")
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Institute of Physics
"The Institute of Physics (IOP) is the professional body and learned society for physics in the UK and Ireland, with an active role in promoting co-operation in physics around the world. We strive to make physics accessible to people from all backgrounds."(About)
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IOPscience
"IOPscience is an online service for journal content published by IOP Publishing. IOPscience embraces innovative technologies to make it easier for researchers to access scientific, technical and medical content."(About)
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American Institute of Physics
"For nearly a century, the American Institute of Physics (AIP) has worked to advance, promote and serve the physical sciences community for the benefit of humanity."(About)
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Journal of the Physical Society of Japan
"The JPSJ has been disseminating excellent research articles covering all fields of physics for 76 years since its launch in 1946. Each monthly issue comprises letters and full papers on original research. Invited papers on selected topics are also published occasionally."(Home)
NDC: 420