Erratum to: Collisional dynamics of symmetric two-dimensional quantum droplets

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Erratum to: Front. Phys. 17(6), 61505 (2022) https://doi.org/10.1007/s11467-022-1192-z

In the original publication of the article, the sentence after Eq. (2) should be “... subject to the conservation of the total particle number N=\int n(x,y )\mathrm{d}x\mathrm{d}y for a single component.”. There are some typos in the coefficients of Eqs. (3−6) and (8), which does not affect the dimensionless equation of motion, i.e., Eq. (9). Thus, all the results and findings remain unchanged. Below are the equations with correct coefficients:

\begin{array}{}\text{(3)}& \mathrm{i}\hslash {\displaystyle \frac{\mathrm{\partial }\psi }{\mathrm{\partial }t}}=\left[-{\displaystyle \frac{{\hslash }^2}{2m}}{\mathrm{\nabla }}^2+{\displaystyle \frac{8\pi {\hslash }^2}{m{\ln }^2(a_{\uparrow \downarrow }/a)}}|\psi {|}^2\ln \left({\displaystyle \frac{|\psi {|}^2}{\sqrt{e}{n}_0}}\right)\right]\psi ,\end{array}

\begin{array}{}\text{(4)}& x_0=\sqrt{{\displaystyle \frac{\ln (a_{\uparrow \downarrow }/a)a{a}_{\uparrow \downarrow }}{4{\mathrm{e}}^{-2\gamma -1}}}},\end{array}

\begin{array}{}\text{(5)}& t_0={\displaystyle \frac{m\ln (a_{\uparrow \downarrow }/a)a{a}_{\uparrow \downarrow }}{4\hslash {\mathrm{e}}^{-2\gamma -1}}},\end{array}

\begin{array}{}\text{(6)}& E_0={\displaystyle \frac{{\hslash }^2}{m{x}_0^2}}={\displaystyle \frac{\hslash }{t_0}}={\displaystyle \frac{4{\hslash }^2{\mathrm{e}}^{-2\gamma -1}}{m\ln (a_{\uparrow \downarrow }/a)a{a}_{\uparrow \downarrow }}},\end{array}

\begin{array}{}\text{(8)}& N_0={\psi }_0^2{x}_0^2={\displaystyle \frac{{\ln }^2(a_{\uparrow \downarrow }/a)}{8\pi }}.\end{array}

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