[OS X TeX] Lambda Bar Symbol

Erik Jensen ejensen at unbc.ca
Sun Aug 2 04:01:05 CEST 2009

You should have the packages and fonts you need installed already in  
any recent standard MacTeX install.

One lambdabar is part of txfonts which you can get at by putting:

just after the \documentclass line of your latex file. Then you get  
lambdabar using:

in the text (note it is accessed in mathmode (i.e. inside the $$ or  
similar). There are a few different lambdabars in different packages  
if you want a slightly different look- you can see them in Scott's  
document you already looked at.


On 1-Aug-09, at 5:23 PM, Richard J Benish wrote:

> Would someone please explain the most painless way to get a Lambda- 
> bar symbol (as for Compton wavelength, a lowercase lambda with a bar  
> through the ascender)?
> I've downloaded Scott Pakin's list of symbols and find three or four  
> Lambda-bars with their commands. None of them work on my system  
> (TexShop 2.10, OS 10.4.11).
> I went to the website referred to by Pakin for more info, but I  
> didn't see anything of help (or I didn't understand what I was  
> looking at).
> I've never loaded a new font for LaTex before. Every time I've  
> thought about doing so, the appearance of complicated rigamarole has  
> scared me away. But now I need a Lambda-bar. Please help.
> Thanks a lot.
> Richard Benish
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