247 citations · 1.9k across the 43 of their papers we have counts for
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cond-mat.mtrl-sci2014★ 29 cited
Impact of quantized vibrations on the efficiency of interfacial charge separation in photovoltaic devices
Soumya Bera, Nicolas Gheeraert, Simone Fratini +2
We demonstrate that charge separation at donor-acceptor interfaces is a complex process that is controlled by the combined action of Coulomb binding for electron-hole pairs and par…
cond-mat.mes-hall2014★ 79 cited
A generalized multi-polaron expansion for the spin-boson model: Environmental entanglement and the biased two-state system
Soumya Bera, Ahsan Nazir, Alex W. Chin +2
We develop a systematic variational coherent state expansion for the many-body ground state of the spin-boson model, in which a quantum two-level system is coupled to a continuum o…
cond-mat.mes-hall2014★ 43 cited
Density of states in graphene with vacancies: midgap power law and frozen multifractality
V. Haefner, J. Schindler, N. Weik +5
The density of states (DoS), , of graphene is investigated numerically and within the self-consistent T-matrix approximation (SCTMA) in the presence of vacancies within…