lengthest-prl revised 2/99 PHYSICAL REVIEW LETTERS Manuscript No. ______ Date _ ________ First Author ___ We estimate the length of the LINE COUNT (PRL one-column lines)-- manuscript as shown to the right. Guidelines for estimating the length are given at the end. [Manuscripts Title __ that we estimate to be within our page limits according to a quick Bylines __ count formula are marked "O.K." and are not given a line count.] Receipt date __ If the designation "O.K." is Abstract __ given, or the line count is 460 or less, there should be no problem PACS numbers __ with the manuscript's length. Note that any subsequent increase in the Text (__ chars./avg. author line) length may cause the manuscript to x(__ author lines)/55= __ exceed the page limit and, if the manuscript is accepted, result in a Equations __ request for cuts to the paper at a later stage. References __ Warning: If the count is between Tables and Captions __ 460 and 500 (or would be with relet- tered figures) there is a greater Figure Captions __ uncertainty that the length limit of four journal pages will be met. Figures (6 lines/inch) __ () Your manuscript is being sent to the referees but a shortened version (less than or equal to 460) will be required if the paper is accepted. () Your manuscript is too long; shortening to less than or equal to 460 is required before further processing. TOTAL __ Note: The 460-line restriction also applies to any subsequent version of the manuscript; care should be taken when making modifications to stay within the allowed length. Revised manuscripts sent by conventional mail should be submitted in quadruplicate. For electronically submitted REVTEX compuscripts, the length estimate is based on the galley-format output. Note that page-composition requirements may add additional spacing. Please supply any items checked below. Supplemental information may be enclosed. () Original printed manuscript or clear black-on-white reproduction (printed on one side of page). () Double-spaced (no more than 3 lines/in.) abstract, references, captions, manuscript. () Abstract of no more than 600 characters including spaces. (Please do not send a shortened abstract electronically by itself: send the complete modified manuscript.) () Original india-ink drawings or prints suitable for scanner-reproduction. () Copy of table suitable for scanner-reproduction. () Table and figure captions. () Byline changes ___Required ___Optional () Pages with equations printed or handwritten in ink, not pencil, of size and legibility that the symbols can be distinguished by a production keyboarder. () A manuscript copy in which the type size is larger (less than or equal to 90 characters/spaces per 6-in. line), for use in the composition process. FIGURE CHANGES ___Required ___Optional () Numbered figures (Fig. 1, Fig. 2, etc.) () Original Figure(s) ________} with ___ larger lettering and/or data symbols (relative to size of figure itself) so that figure may be scanner-reproduced at a ___-column width (for a savings of ___ lines). In order to reproduce figure(s) ___ as indicated above, subscripts and superscripts must be enlarged to ___ in height and all other lettering ___} in height. () finer and/or larger lettering to prevent its filling in when figure is scanner-reproduced. Minimum lettering size for the enclosed figures is ____. () lettering and lines that are not blurred, faded, broken, or smudged. () uniform lettering size. () Use of bylines and footnotes conforming to PRL style (see recent issue and/or enclosed memo) will save _____ lines. MANUSCRIPT COMMENTS: None ADDITIONAL COMMENTS: Manuscript: none Tables: none Figures: none Enclosures: ___ Manuscript Type Size ___ D Memo ___ Author's Original Figure(s) ___ Byline Memo