Article Contents

	1 Introduction
	2 The method
	3 Results
	4 Discussion
	5 Conclusions
	Appendix A: Justification of Eqs. (5) and (12)
	Appendix B: Mean-field results for the Roberts flow
	Appendix C: $\tilde{\alpha}$ and $\tilde{\eta}_{\rm t}$ under SOCA for Roberts flow
	References