Coherence in Chemistry: Foundations and Frontiers

JD Schultz, JL Yuly, EA Arsenault, K Parker… - Chemical …, 2024 - ACS Publications
Coherence refers to correlations in waves. Because matter has a wave-particle nature, it is
unsurprising that coherence has deep connections with the most contemporary issues in …

PathSum: A C++ and Fortran suite of fully quantum mechanical real-time path integral methods for (multi-) system+ bath dynamics

S Kundu, N Makri - The Journal of Chemical Physics, 2023 - pubs.aip.org
This paper reports the release of PATHSUM, a new software suite of state-of-the-art path
integral methods for studying the dynamics of single or extended systems coupled to …

Tight inner ring architecture and quantum motion of nuclei enable efficient energy transfer in bacterial light harvesting

S Kundu, R Dani, N Makri - Science Advances, 2022 - science.org
The efficient, directional transfer of absorbed solar energy between photosynthetic light-
harvesting complexes continues to pose intriguing questions. In this work, we identify the …

Synthetic control of exciton dynamics in bioinspired cofacial porphyrin dimers

PP Roy, S Kundu, J Valdiviezo, G Bullard… - Journal of the …, 2022 - ACS Publications
Understanding how the complex interplay among excitonic interactions, vibronic couplings,
and reorganization energy determines coherence-enabled transport mechanisms is a grand …

[HTML][HTML] B800-to-B850 relaxation of excitation energy in bacterial light harvesting: All-state, all-mode path integral simulations

S Kundu, R Dani, N Makri - The Journal of Chemical Physics, 2022 - pubs.aip.org
We report fully quantum mechanical simulations of excitation energy transfer within the
peripheral light harvesting complex (LH2) of Rhodopseudomonas molischianum at room …

Coherence maps and flow of excitation energy in the bacterial light harvesting complex 2

R Dani, S Kundu, N Makri - The Journal of Physical Chemistry …, 2023 - ACS Publications
We present and analyze coherence maps [J. Phys. Chem. B 2022, 126, 9361− 9375] to
investigate the quantum coherences that are created, sustained, and damped by vibrational …

Energy Transfer for Constructing Circularly Polarized Luminescence Materials: Recent Progress and Future Prospects

R Zhang, H Zhong, K Yang, K Pan… - Advanced Functional …, 2024 - Wiley Online Library
Circularly polarized luminescence (CPL) materials hold significant promise in
multidisciplinary fields such as circularly polarized organic light‐emitting diodes, biological …

Two-tier modular anharmonic small matrix path integral with composite spin-boson baths

N Makri - Journal of Chemical Theory and Computation, 2024 - ACS Publications
The anharmonic small matrix path integral (anh-SMatPI) algorithm is adapted to composite
environments, where each anharmonic bath unit couples to the system and to its own …

Quantum state-to-state rates for multistate processes from coherences

R Dani, N Makri - The Journal of Physical Chemistry Letters, 2022 - ACS Publications
For a multistate system coupled to a general environment through terms local in the system
basis, we show that the time derivatives of populations are given in terms of imaginary …

Time-evolving quantum superpositions in open systems and the rich content of coherence maps

R Dani, N Makri - The Journal of Physical Chemistry B, 2022 - ACS Publications
We discuss the general features of the time-evolving reduced density matrix (RDM) of
multistate systems coupled to dissipative environments and show that many important …