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DTSTART:20220313T100000
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DTSTART;TZID=America/Los_Angeles:20220131T160000
DTEND;TZID=America/Los_Angeles:20220131T160000
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CREATED:20211217T211915Z
LAST-MODIFIED:20211217T211915Z
UID:13574-1643644800-1643644800@www.chemistry.ucla.edu
SUMMARY:CANCELLED!  Chem 228: Steven Schwartz
DESCRIPTION:“Rare Event Sampling\, Protein Dynamics in enzymatic catalysis and directed evolution: lessons in artificial enzyme design”
URL:https://www.chemistry.ucla.edu/seminars/cancelled-chem-228-steven-schwartz/
CATEGORIES:Physical Chemistry Seminar,Seminars
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DTSTART;TZID=America/Los_Angeles:20220131T160000
DTEND;TZID=America/Los_Angeles:20220131T160000
DTSTAMP:20260614T222521
CREATED:20220120T204427Z
LAST-MODIFIED:20220120T204427Z
UID:13594-1643644800-1643644800@www.chemistry.ucla.edu
SUMMARY:Chem 228: Professor Wei Xiong\, UCSD
DESCRIPTION:Ultrafast Dynamics of Molecular Vibrational Polaritons For Chemistry and Quantum Simulation \nMolecular vibrational polaritons are hybrid half-light\, half-matter quasiparticle. This hybrid quasiparticles not only inherit properties of both photons and matters\, but also processes unique new photonic and molecular phenomena\, including tilting chemical potential landscapes of reactions\, adding new energy transfer pathways and strong photonic interactions. Many of these developments hinge on fundamental understanding of its physical properties of molecular vibrational polaritons. Using pump probe and 2D IR spectroscopy to study vibrational-polaritons\, we obtained results that advance both molecular science and photonics fields. I will discuss a few phenomena of IR molecular vibrational-polaritons: 1.  Cavity-enabled intermolecular energy transfer\, 2. Vibrational strong coupling accelerated barrier crossing events\, and 3. Nonlinear interactions between polaritons resides in neighboring cavities. These results will have significant implications in novel infrared photonic devices\, lasing\, molecular quantum simulation\, as well as new chemistry by tailoring potential energy landscapes. 
URL:https://www.chemistry.ucla.edu/seminars/chem-228-professor-wei-xiong-ucsd/
CATEGORIES:Physical Chemistry Seminar,Seminars
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