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Diffstat (limited to 'source/know/concept/step-index-fiber/index.md')
| -rw-r--r-- | source/know/concept/step-index-fiber/index.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/source/know/concept/step-index-fiber/index.md b/source/know/concept/step-index-fiber/index.md index 2d049a1..e80480b 100644 --- a/source/know/concept/step-index-fiber/index.md +++ b/source/know/concept/step-index-fiber/index.md @@ -147,7 +147,7 @@ and check if we can then arrive at a non-trivial $$\Phi$$ for each case. &&= B \end{alignedat}$$ - $$B$$ can be nonzero, so this a valid solution. + $$B$$ can be nonzero, so this is a valid solution. We conclude that $$\ell^2 = 0$$ is the ground state. * For $$\ell^2 > 0$$, all solutions have the form |