Journal
PHYSICAL REVIEW B
Volume 98, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.98.045122
Keywords
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Funding
- United States-Army Research Office (ARO) [W911NF-16-C-0030, W911NF-16-1-0152]
- United States National Science Foundation [CHE-1565638]
- United States Air Force Office of Scientific Research [FA9550-14-1-0367]
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Exciton condensation, a Bose-Einstein-like condensation of excitons, was recently reported in an electronic double layer (EDL) of graphene. We show that a universal quantum signature for exciton condensation can be used to both identity and quantify exciton condensation in molecular systems from direct calculations of the two-electron reduced density matrix. Computed large eigenvalues in the particle-hole reduced-density matrices of pentacene and hexacene EDLs reveal the beginnings of condensation, suggesting the potential for exciton condensation in smaller scale molecular EDLs.
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