Collective Vibronic Cascade in Cavity-Coupled Jahn-Teller Active Molecules

• URL: http://arxiv.org/abs/2511.07880v1
• Date: Wed, 12 Nov 2025 01:26:10 GMT
• Title: Collective Vibronic Cascade in Cavity-Coupled Jahn-Teller Active Molecules
• Authors: Suraj Kumar Pandit, Abhinay Pandey, Athreya Shankar, Krishna R. Nandipati,
• Abstract summary: We study the polaritonic states and dynamics of Jahn-Teller molecules coupled to a Fabry-Perot cavity.<n>We find that collective effects dramatically alter the interplay of electronic, vibrational and cavity angular momenta.<n>Our results uncover new pathways for vibronic angular momentum transfer unique to collective molecular polaritonics with potential implications for cavity-assisted photo-physics and photo-chemistry.
• Score: 0.39089069256361736
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We study the polaritonic states and dynamics of multiple Jahn-Teller (JT) active molecules coupled to the modes of a Fabry-Perot cavity. We find that collective effects dramatically alter the interplay of electronic, vibrational and cavity angular momenta, giving rise to markedly different polaritonic spectra and dynamics even when going from one to two JT molecules. Starting from the ground vibronic state, we find that JT molecules collectively coupled to a common cavity can access a cascade of high-angular-momentum vibronic states in the presence of a single cavity photon, in sharp contrast to the single molecule case where the range of accessible vibronic angular momentum values are bounded. The observable consequences are a broadening of the cavity-molecular polariton spectrum and a suppression of photon polarization dynamics under broadband excitation of the system. Our results uncover new pathways for vibronic angular momentum transfer unique to collective molecular polaritonics with potential implications for cavity-assisted photo-physics and photo-chemistry.

Related papers

• Molecular Electron Transfer in Optical Cavities: From Excitonic to Vibronic Polaritons [0.0]
  We study electron transfer dynamics in cavity-coupled molecules using the numerically exact hierarchical equations of motion (HEOM) method.<n>We identify distinct resonance and collective effects associated with polariton formation and show that the ET rate saturates in the strong-coupling regime.<n>These findings establish cavity-modified electron transfer as a multichannel quantum process governed by the interplay of electronic, vibrational, and photonic degrees of freedom.
  arXiv  Detail & Related papers  (2026-02-27T07:23:18Z)
• Polariton-polariton coherent coupling in a molecular spin-superconductor chip [26.921154603906917]
  We engineer interactions between distant polaritons, hybrid spin-photon excitations formed at different lumped-element superconducting resonators within a chip.<n>Chip consists of several resonator pairs, slightly detuned in frequency to make them addressable.
  arXiv  Detail & Related papers  (2026-02-20T09:48:07Z)
• Emission of time-ordered photon pairs from a single polaritonic Bogoliubov mode [20.63417290000743]
  We report on the direct observation of the peculiar microscopic quantum structure of bosonic excitations.<n>We observe that upon decreasing the average number of fluctuation quanta below unity, large pair correlations build up together with strong time-ordering of the emitted photons.<n>This behavior is a direct signature of the particle-hole quantum superposition which is at the heart of Bogoliubov excitations.
  arXiv  Detail & Related papers  (2026-01-10T07:27:31Z)
• Cavity-Mediated Coupling between Local and Nonlocal Modes in Landau Polaritons [8.965474824043103]
  We show nonlocal multimode coupling in a Landau polariton system.<n>Our results establish a pathway for engineering multimode light-matter interactions involving zero- and finite-momentum matter modes.
  arXiv  Detail & Related papers  (2025-09-06T15:04:14Z)
• Orbital-resolved imaging of coherent femtosecond exciton dynamics in coupled molecules [39.034425621567394]
  Optical excitation and control of excitonic wavepackets in organic molecules is the basis to energy conversion processes.<n>Here, we demonstrate orbital-resolved imaging of optically induced coherent exciton dynamics in single copper napthalocyanine (CuNc) molecules.<n>Results reveal an ultrafast exciton coherence time of 70 fs in a single molecule, which decreases for the triplet excitons in interacting molecules.
  arXiv  Detail & Related papers  (2025-07-01T15:02:08Z)
• Disentangling collective coupling in vibrational polaritons with double quantum coherence spectroscopy [0.0]
  Vibrational polaritons are formed by strong coupling of molecular vibrations and photon modes in an optical cavity. We simulate two-dimensional infrared spectra of molecular vibrational polaritons based on the double quantum coherence technique.
  arXiv  Detail & Related papers  (2024-10-01T08:24:40Z)
• Collective optical properties of moiré excitons [16.70008024600165]
  We show that excitons in moir'e transition metal dichalcogenide bilayers offer a promising platform for investigating collective radiative properties.<n>We illustrate that the Wigner crystal states of electrons doped into these bilayers act as an emergent periodic potential for excitons.<n>Our study provides a promising pathway for future research on the interplay between collective effects and strong correlations involving moir'e excitons.
  arXiv  Detail & Related papers  (2024-07-28T23:43:46Z)
• AC-Stark Spectroscopy of Interactions between Moiré Excitons and Polarons [0.0]
  We use nonlinear pump-probe spectroscopy to study optical excitations in a charge-tunable MoSe$$WS$$ moir'e heterostructure.<n>By measuring the resulting ac Stark effect with a weak resonant laser pulse, we gain access to the nature and mutual interactions of the elementary optical excitations.
  arXiv  Detail & Related papers  (2024-02-26T15:02:51Z)
• Multimode Ultrastrong Coupling in Three-Dimensional Photonic-Crystal Cavities [36.212701687134064]
  One-dimensional photonic-crystal cavities have uniform spatial profiles in the lateral plane. Fabrication challenges have hindered the achievement of strong coupling in 3D-PCCs. We report the realization of multimode ultrastrong coupling in a 3D-PCC at terahertz frequencies.
  arXiv  Detail & Related papers  (2023-08-23T21:14:01Z)
• Photon generation and entanglement in a double superconducting cavity [105.54048699217668]
  We study the dynamical Casimir effect in a double superconducting cavity in a quantum electrodynamics architecture. We study the creation of photons when the walls oscillate harmonically with a small amplitude.
  arXiv  Detail & Related papers  (2022-07-18T16:43:47Z)
• Multimode-polariton superradiance via Floquet engineering [55.41644538483948]
  We consider an ensemble of ultracold bosonic atoms within a near-planar cavity, driven by a far detuned laser. We show that a strong, dispersive atom-photon coupling can be reached for many transverse cavity modes at once. The resulting Floquet polaritons involve a superposition of a set of cavity modes with a density of excitation of the atomic cloud.
  arXiv  Detail & Related papers  (2020-11-24T19:00:04Z)
• The Shape of the Electric Dipole Function Determines the Sub-Picosecond Dynamics of Anharmonic Vibrational Polaritons [0.0]
  We describe for the first time the essential role of permanent dipole moments in the femtosecond dynamics of vibrational polariton wavepackets. We propose a non-adiabatic state preparation scheme to generate vibrational polaritons using nanoscale infrared antennas and UV-vis photochemistry or electron tunneling.
  arXiv  Detail & Related papers  (2020-03-17T15:55:09Z)
• Molecule-photon interactions in phononic environments [0.0879626117219674]
  Liquid quantum optical systems can interface photons, electronic degrees of freedom, localized mechanical vibrations and phonons. In particular, the strong vibronic interaction between electrons and nuclear motion in a molecule resembles the optomechanical radiation pressure Hamiltonian. We take here an open quantum system approach to the non-equilibrium dynamics of molecules embedded in a crystal.
  arXiv  Detail & Related papers  (2019-12-05T15:11:46Z)
• Non-reciprocal Cavity Polariton with Atoms Strongly Coupled to Optical Cavity [21.013802417752025]
  We experimentally demonstrate a chiral cavity QED system with multiple atoms strongly coupled to a Fabry-Perot cavity. By polarizing the internal quantum state of the atoms, the time-reversal symmetry of the atom-cavity interaction is broken. The strongly coupled atom-cavity system can be described by non-reciprocal quasiparticles, i.e., the cavity polariton.
  arXiv  Detail & Related papers  (2019-11-23T02:32:21Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.