Tikz: Curved parallel arrow around a circle

Question

I have a simple following code:

\begin{tikzpicture}
\draw[thick] (2,0) circle (1.5cm);
\end{tikzpicture}`

I would like to create a curved parallel naming arrow around this circle as shown in the image.

enter image description here

Please help

Welcome to TeX.SX! Please help us to help you and complete your code to make a minimal working example (MWE) that illustrates your problem. This makes it easier to help and so more likely people will! — cfr, Dec 20 '14 at 01:22
http://tex.stackexchange.com/questions/66490/drawing-a-tikz-arc-specifying-the-center — hpekristiansen, Dec 20 '14 at 01:22
This could also have relevance: http://tex.stackexchange.com/questions/176779/how-can-i-improve-the-look-of-an-arrowhead-at-the-end-of-a-small-radius-arc/176781#176781 — hpekristiansen, Dec 20 '14 at 01:28
The quastion about drawing arc with given center was alos here http://tex.stackexchange.com/q/34973/9335 and as I said carc is missing ;) But now we can easily create \pic{carc} ! — Kpym, Dec 20 '14 at 09:56

score 6 · Answer 1 · answered Dec 20 '14 at 01:37

6

\begin{tikzpicture}
\draw[thick] (2,0) circle (1.5cm);
\draw[-latex] (0.2,0) arc (180:120:1.8cm) node[near start,left] {$n$};
\end{tikzpicture}

answered Dec 20 '14 at 01:37

percusse

1

http://en.wikipedia.org/wiki/Eta – hpekristiansen Dec 20 '14 at 01:41
3

@Hans-PeterE.Kristiansen http://en.wikipedia.org/wiki/Wikipedia:Too_long;_didn%27t_read – percusse Dec 20 '14 at 09:58

1 Answers1