# ~ in latex

I see a latex code latex{ ~~~~a) squared difference: $$\label{eq.square_diff} \Phi(q_{\mathbf{p}'}, k_{\mathbf{p}}) = -( q_{\mathbf{p}'} - k_{\mathbf{p}})^2.$$  But I don't know the meaning of "\~\~\~\~" in the code?

## 4 回答

• 参考文献前也可以用这个符号避免断行 – paranoia 2019-12-07 10:02 回复

nobreak space