Spectral densities, structured noise and ensemble averaging within open quantum dynamics

YM Holtkamp, E Godinez-Ramirez… - The Journal of …, 2024 - pubs.aip.org
Although recent advances in simulating open quantum systems have led to significant
progress, the applicability of numerically exact methods is still restricted to rather small …

Accurate prediction of mutation-induced frequency shifts in chlorophyll proteins with a simple electrostatic model

A Srivastava, S Ahad, JH Wat, M Reppert - The Journal of Chemical …, 2021 - pubs.aip.org
Photosynthetic pigment–protein complexes control local chlorophyll (Chl) transition
frequencies through a variety of electrostatic and steric forces. Site-directed mutations can …

Developing consistent molecular dynamics force fields for biological chromophores via force matching

K Claridge, A Troisi - The Journal of Physical Chemistry B, 2018 - ACS Publications
The role of the environment in excitation energy transport in the pigment–protein complexes
(PPCs) of photosynthetic organisms is a widely investigated topic. The spectral density is a …

Coherent Dynamics of Mixed Frenkel and Charge-Transfer Excitons in Dinaphtho[2,3-b:2′3′-f]thieno[3,2-b]-thiophene Thin Films: The Importance of Hole …

T Fujita, S Atahan-Evrenk, NPD Sawaya… - The Journal of …, 2016 - ACS Publications
Charge-transfer states in organic semiconductors play crucial roles in processes such as
singlet fission and exciton dissociation at donor/acceptor interfaces. Recently, a time …

Efficient route to high-bandwidth nanoscale magnetometry using single spins in diamond

G Puentes, G Waldherr, P Neumann… - Scientific reports, 2014 - nature.com
Nitrogen-vacancy (NV) center in diamond is a promising quantum metrology tool finding
applications across disciplines. The spin sensor measures magnetic fields, electric fields …

Continuous compressed sensing for surface dynamical processes with helium atom scattering

A Jones, A Tamtögl, I Calvo-Almazán, A Hansen - Scientific reports, 2016 - nature.com
Compressed Sensing (CS) techniques are used to measure and reconstruct surface
dynamical processes with a helium spin-echo spectrometer for the first time. Helium atom …

Compressed sensing for the fast computation of matrices: Application to molecular vibrations

JN Sanders, X Andrade, A Aspuru-Guzik - ACS central science, 2015 - ACS Publications
This article presents a new method to compute matrices from numerical simulations based
on the ideas of sparse sampling and compressed sensing. The method is useful for …

Compressed Sensing for Chemistry

JN Sanders - 2016 - dash.harvard.edu
Many chemical applications, from spectroscopy to quantum chemistry, involve measuring or
computing a large amount of data, and then compressing this data to retain the most …

Application of Graphics Processing Units to Accelerate Real‐Space Density Functional Theory and Time‐Dependent Density Functional Theory Calculations

X Andrade, A Aspuru‐Guzik - Electronic Structure Calculations …, 2016 - Wiley Online Library
This chapter examines the graphics processing unit (GPU) implementation in real‐space of
two different types of calculations based on the Kohn‐Sham (KS) approach, and that are …

Response to:“Comment on benchmarking compressed sensing, super‐resolution, and filter diagonalization”

T Markovich, SM Blau, JN Sanders… - … Journal of Quantum …, 2016 - Wiley Online Library
In light of a recent comment by Vladimir Mandelshtam, we provide a brief, theoretically
motivated, justification of our methodology. We show that our error metric provides a valid …