Reentrant condensation transition in a model of driven scalar active matter with diffusivity edge
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Reentrant condensation transition in a model of driven scalar active matter with diffusivity edge. / Berx, Jonas; Bose, Aritra; Golestanian, Ramin; Mahault, Benoît.
I: EPL, Bind 142, Nr. 6, 67004, 06.2023.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Reentrant condensation transition in a model of driven scalar active matter with diffusivity edge
AU - Berx, Jonas
AU - Bose, Aritra
AU - Golestanian, Ramin
AU - Mahault, Benoît
N1 - Funding Information: This work has received support from the Max Planck School Matter to Life and the MaxSynBio Consortium, which are jointly funded by the Federal Ministry of Education and Research (BMBF) of Germany, and the Max Planck Society. Publisher Copyright: Copyright © 2023 The author(s)
PY - 2023/6
Y1 - 2023/6
N2 - The effect of a diffusivity edge is studied in a system of scalar active matter confined by a periodic potential and driven by an externally applied force. We find that this system shows qualitatively distinct stationary regimes depending on the amplitude of the driving force with respect to the potential barrier. For small driving, the diffusivity edge induces a transition to a condensed phase analogous to the Bose-Einstein-like condensation reported for the nondriven case, which is characterized by a density-independent steady state current. Conversely, large external forces lead to a qualitatively different phase diagram since in this case condensation is only possible beyond a given density threshold, while the associated transition at higher densities is found to be reentrant.
AB - The effect of a diffusivity edge is studied in a system of scalar active matter confined by a periodic potential and driven by an externally applied force. We find that this system shows qualitatively distinct stationary regimes depending on the amplitude of the driving force with respect to the potential barrier. For small driving, the diffusivity edge induces a transition to a condensed phase analogous to the Bose-Einstein-like condensation reported for the nondriven case, which is characterized by a density-independent steady state current. Conversely, large external forces lead to a qualitatively different phase diagram since in this case condensation is only possible beyond a given density threshold, while the associated transition at higher densities is found to be reentrant.
U2 - 10.1209/0295-5075/acdcb7
DO - 10.1209/0295-5075/acdcb7
M3 - Journal article
AN - SCOPUS:85163752688
VL - 142
JO - Lettere Al Nuovo Cimento
JF - Lettere Al Nuovo Cimento
SN - 0295-5075
IS - 6
M1 - 67004
ER -
ID: 371847405