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    General-Purpose Inverse Design of Heterogeneous Finite-Sized Assemblies

    Livia A. J. Guttieres1,*, Ryan K. Krueger1, Remi Drolet1, and Michael P. Brenner1,2

    • *Contact author: liviaguttieres@g.harvard.edu

    Phys. Rev. Lett. 137, 018201 – Published 29 June, 2026

    DOI: https://doi.org/10.1103/w4s1-rtqm

    Abstract

    Designing heterogeneous, self-assembling systems is a central challenge in soft matter and biology. We present a framework that uses gradient-based optimization to invert an analytical yield calculation, tuning systems toward target equilibrium yields. We design systems ranging from simple dimers to temperature-controlled shells to polymerizing systems, achieving precise control of self- and non-self-limiting assemblies. By operating directly on closed-form calculations, our framework bypasses trajectory-based instabilities and enables efficient optimization in challenging regimes.

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