Memory Formation in Jammed Hard Spheres

Liquids equilibrated below an onset condition share similar inherent states, while those above that have states markedly differ. Although this type of materials memory was first reported in simulations over 20 years ago, its physical origin remains controversial. Its absence from mean-field descriptions, particular, has long cast doubt on thermodynamic relevance. Motivated by a recent theoretical proposal, we reassess the phenomenology using fast hard sphere jamming algorithm and find it to be both thermodynamically dimensionally robust. Remarkably, also uncover second associated with Gardner-like regime algorithm.