activity
20232026
most citedAnomalous transport of small polarons arises from transient lattice relaxation or immovable boundaries

14 citations · 33 across the 9 of their papers we have counts for

collaborators

9 papers

physics.chem-ph2026★ 1 cited

Short-lived memory in multidimensional spectra encodes full signal evolution

Thomas Sayer, Ethan H. Fink, Zachary R. Wiethorn +9

Ultrafast multidimensional spectroscopies are powerful tools that can access charge and energy flow in complex materials, shifting chemical kinetics, and even many-body interaction…

cond-mat.stat-mech2026

Data-driven, non-Markovian modelling of weather in the presence of non-stationary, non-Gaussian, and heteroskedastic climate dynamics

Thomas Sayer, Andrés Montoya-Castillo

While the generalized Langevin equation (GLE) is a powerful tool to understand the behavior of complex dissipative systems, driving by external fields renders standard GLE construc…

cond-mat.mtrl-sci2025

Coherent and Dynamic Small Polaron Delocalization in CuFeO

Jocelyn L. Mendes, Srijan Bhattacharyya, Chengye Huang +10

Small polarons remain a significant bottleneck in the realization of efficient devices using transition metal oxides. Routes to engineer small polaron coupling to electronic states…

physics.chem-ph2024★ 1 cited

Nonequilibrium relaxation exponentially delays the onset of quantum diffusion

Srijan Bhattacharyya, Thomas Sayer, Andrés Montoya-Castillo

Predicting the exact many-body quantum dynamics of polarons in materials with strong carrier-phonon interactions presents a fundamental challenge, often necessitating one to adopt…

physics.chem-ph2024

Space-local memory in generalized master equations: Reaching the thermodynamic limit for the cost of a small lattice simulation

Srijan Bhattacharyya, Thomas Sayer, Andrés Montoya-Castillo

The exact quantum dynamics of lattice models can be computationally intensive, especially when aiming for large system sizes and extended simulation times necessary to converge tra…

physics.chem-ph2024★ 4 cited

Generalized quantum master equations can improve the accuracy of semiclassical predictions of multitime correlation functions

Thomas Sayer, Andrés Montoya-Castillo

Multitime quantum correlation functions are central objects in physical science, offering a direct link between experimental observables and the dynamics of an underlying model. Wh…

physics.chem-ph2024

Mori generalized master equations offer an efficient route to predict and interpret transport

Srijan Bhattacharyya, Thomas Sayer, Andrés Montoya-Castillo

Predicting how a material's microscopic structure and dynamics determine its transport properties remains a fundamental challenge. To alleviate this task's often prohibitive comput…

physics.chem-ph2023★ 13 cited

Efficient formulation of multitime generalized quantum master equations: Taming the cost of simulating 2D spectra

Thomas Sayer, Andrés Montoya-Castillo

Modern 4-wave mixing spectroscopies are expensive to obtain experimentally and computationally. In certain cases, the unfavorable scaling of quantum dynamics problems can be improv…

physics.chem-ph2023★ 14 cited

Anomalous transport of small polarons arises from transient lattice relaxation or immovable boundaries

Srijan Bhattacharyya, Thomas Sayer, Andrés Montoya-Castillo

Elucidating transport mechanisms and predicting transport coefficients is crucial for advancing material innovation, design, and application. Yet, state-of-the-art calculations are…