Hot Ground State Cooling Following Ultrafast Photoisomerization: Time-Resolved Infrared Spectroscopy
James N. Bull, Mark H. Stockett, Pratip Chakraborty, Eleanor K. Ashworth, Anam Fatima, Vincent J. Esposito, Gregory M. Greetham, Partha Malakar, Stephen R. Meech · 2025
Read Hot Ground State Cooling Following Ultrafast Photoisomerization: Time-Resolved Infrared Spectroscopy by James N. Bull, Mark H. Stockett, Pratip Chakraborty, Eleanor K. Ashworth, Anam Fatima, Vincent J. Esposito, Gregory M. Greetham, Partha Malakar, Stephen R. Meech (2025) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-12746466.txt.
Description
James Bull and eight co-authors present a study from twenty twenty-five on how hot molecules cool after a burst of light flips their shape. Many such flips land the molecule in a twisted, hot ground state in under a flash. The heat then leaks to the fluid round it over a few trillionths of a second. Standard readouts of this cooling fail, since the bands move as the heat drains.
Their frame, a cascade with one tuning dial, tracks the leak step by step. The dial scales how fast energy passes to the fluid. First principles data on the shakes of the molecule feed the model. A protein dye serves as the test case. The frame can stretch to mode by mode rates for other fast flippers.
Catalog record
| CREATOR | James N. Bull, Mark H. Stockett, Pratip Chakraborty, Eleanor K. Ashworth, Anam Fatima, Vincent J. Esposito, Gregory M. Greetham, Partha Malakar, Stephen R. Meech |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 36 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |