The rise and current status of polaritonic photochemistry and photophysics

R Bhuyan, J Mony, O Kotov, GW Castellanos… - Chemical …, 2023 - ACS Publications
The interaction between molecular electronic transitions and electromagnetic fields can be
enlarged to the point where distinct hybrid light–matter states, polaritons, emerge. The …

Theory of coherent phonons coupled to excitons

E Perfetto, K Wu, G Stefanucci - npj 2D Materials and Applications, 2024 - nature.com
The interaction of excitons with lattice vibrations underlies the scattering from bright to dark
excitons as well as the coherent modulation of the exciton energy. Unlike the former …

Coherent Modulation of Two-Dimensional Moiré States with On-Chip THz Waves

Y Li, EA Arsenault, B Yang, X Wang, H Park, Y Guo… - Nano Letters, 2024 - ACS Publications
van der Waals (vdW) structures host a broad range of physical phenomena. New
opportunities arise if different functional layers are remotely modulated or coupled in a …

Effect of Photoinduced Screening on the Spectroscopic Signature of Exciton–Phonon Coupling

S Mor, V Gosetti, VF Agekyan, C Giannetti… - ACS …, 2024 - ACS Publications
The light-mediated interaction of fermionic and bosonic excitations governs the
optoelectronic properties of condensed matter systems. In photoexcited semiconductors, the …

Semiconductor electron-phonon equations: A rung above Boltzmann in the many-body ladder

G Stefanucci, E Perfetto - SciPost Physics, 2024 - scipost.org
Starting from the ab initio many-body theory of electrons and phonons, we go through a
series of well defined simplifications to derive a set of coupled equations of motion for the …

Slow Dephasing of Coherent Optical Phonons in Two-Dimensional Lead Organic Chalcogenides

H Yang, S Mandal, B Li, TK Ghosh… - Journal of the …, 2024 - ACS Publications
Hybrid organic–inorganic semiconductors with strong electron–phonon interactions provide
a programmable platform for developing a variety of electronic, optoelectronic, and quantum …

Coherent Phonon-Mediated Many-Body Interaction in Monolayer WSe2

J Zou, R Zhu, J Wang, H Meng, Z Wang… - The Journal of …, 2023 - ACS Publications
Due to the strong Coulomb interaction, the optical and electrical properties of two-
dimensional transition metal dichalcogenides (TMDCs) are greatly determined by the …

Ultrafast Control over Stiffening and Softening of Coherent Interlayer Coupling in WSe2/WS2 Heterobilayers

J Kim, J Suh, SH Lee, K Watanabe, T Taniguchi… - Nano Letters, 2024 - ACS Publications
Twisted van der Waals heterostructures have led to emerging layer-dependent correlated
physics in moiré potentials. While optoelectronic controls over interlayer electronic coupling …

Strain-induced activation of chiral-phonon emission in monolayer WS2

Y Pan, F Caruso - npj 2D Materials and Applications, 2024 - nature.com
We report a theoretical investigation of the ultrafast dynamics of electrons and phonons in
strained monolayer WS2 following photoexcitation. We show that strain substantially …

Modulating Carrier Dynamics in PdSe2: The Role of Pressure in Electronic and Phononic Interactions

X Wang, G Niu, J Jiang, L Sui, X Zeng, X Liu… - Nano Letters, 2024 - ACS Publications
PdSe2 is a puckered transition metal dichalcogenide that has been reported to undergo a
two-dimensional to three-dimensional structural transition under pressure. Here, we …