Fluctuation and Noise Letters (FNL) is unique. It is the only specialist journal for fluctuations and noise, and it covers that topic throughout the whole of science in a completely interdisciplinary way. High standards of refereeing and editorial judgment are guaranteed by the selection of Editors from among the leading scientists of the field.

FNL places equal emphasis on both fundamental and applied science and the name "Letters" is to indicate speed of publication, rather than a limitation on the lengths of papers. The journal uses on-line submission and provides for immediate on-line publication of accepted papers.

FNL is interested in interdisciplinary articles on random fluctuations, quite generally. For example: noise enhanced phenomena including stochastic resonance; 1/f noise; shot noise; fluctuation-dissipation; cardiovascular dynamics; ion channels; single molecules; neural systems; quantum fluctuations; quantum computation; classical and quantum information; statistical physics; degradation and aging phenomena; percolation systems; fluctuations in social systems; traffic; the stock market; environment and climate; etc.

《Fluctuation And Noise Letters》是一本由WORLD SCIENTIFIC PUBL CO PTE LTD出版商出版的专业工程技术期刊，该刊创刊于2001年，刊期Quarterly，该刊已被国际权威数据库SCIE收录。在中科院最新升级版分区表中，该刊分区信息为大类学科：工程技术 4区，小类学科：数学跨学科应用 4区；物理：应用 4区；在JCR（Journal Citation Reports）分区等级为Q3。该刊发文范围涵盖数学跨学科应用等领域，旨在及时、准确、全面地报道国内外数学跨学科应用工作者在该领域取得的最新研究成果、工作进展及学术动态、技术革新等，促进学术交流，鼓励学术创新。2021年影响因子为1.652，平均审稿速度>12周，或约稿。