Ballistic and diffusive vibrational energy transport in molecules

IV Rubtsov, AL Burin - The Journal of chemical physics, 2019 - pubs.aip.org
Energy transport in molecules is essential for many areas of science and technology. Strong
covalent bonds of a molecular backbone can facilitate the involvement of the molecule's …

Time-resolved spectroscopic mapping of vibrational energy flow in proteins: Understanding thermal diffusion at the nanoscale

Y Mizutani, M Mizuno - The Journal of Chemical Physics, 2022 - pubs.aip.org
Vibrational energy exchange between various degrees of freedom is critical to barrier-
crossing processes in proteins. Hemeproteins are well suited for studying vibrational energy …

Infrared laser excitation controlled reaction acceleration in the electronic ground state

K Heyne, O Kühn - Journal of the American Chemical Society, 2019 - ACS Publications
Propelling a ground state reaction by mode-specific vibrational excitation via infrared (IR)
light offers a novel route to carry out ground state chemistry. Here, we describe the …

Phononic heat transport in molecular junctions: Quantum effects and vibrational mismatch

R Moghaddasi Fereidani, D Segal - The Journal of chemical physics, 2019 - pubs.aip.org
Problems of heat transport are ubiquitous to various technologies such as power generation,
cooling, electronics, and thermoelectrics. In this paper, we advocate for the application of the …

Ballistic energy transport via long alkyl chains: A new initiation mechanism

SU Nawagamuwage, ES Williams… - The Journal of …, 2024 - ACS Publications
In an effort to increase the speed and efficiency of ballistic energy transport via oligomeric
chains, we performed measurements of the transport in compounds featuring long alkyl …

[HTML][HTML] Influence of thermalization on thermal conduction through molecular junctions: Computational study of PEG oligomers

HD Pandey, DM Leitner - The Journal of Chemical Physics, 2017 - pubs.aip.org
Thermalization in molecular junctions and the extent to which it mediates thermal transport
through the junction are explored and illustrated with computational modeling of …

Impact of ultrafast electric field changes on photoreceptor protein dynamics

K Heyne - The Journal of Physical Chemistry B, 2022 - ACS Publications
Studies on photoreceptors provide a wealth of information on cofactor and protein dynamics
on the microsecond to seconds time-scale. Up to now, ultrafast dynamics addresses mainly …

[HTML][HTML] Unidirectional coherent energy transport via conjugated oligo (p-phenylene) chains

TX Leong, LN Qasim, RT Mackin, Y Du… - The Journal of …, 2021 - pubs.aip.org
We discovered a way to funnel high-frequency vibrational quanta rapidly and
unidirectionally over large distances using oligo (p-phenylene) chains. After mid-IR photon …

Ballistic transport of vibrational energy through an amide group bridging alkyl chains

LN Qasim, EB Atuk, AO Maksymov… - The Journal of …, 2019 - ACS Publications
Transport of vibrational energy via linear alkyl molecular chains can occur efficiently and
with a high speed. This study addresses the question of how such transport is changed if an …

Maximum propagation speed and Cherenkov effect in optical phonon transport through periodic molecular chains

AL Burin, IV Parshin, IV Rubtsov - The Journal of Chemical Physics, 2023 - pubs.aip.org
Optical phonons serve as the fast and efficient carriers of energy across periodic polymers
due to their delocalization, large group velocity because of covalent bonding, and large …