Work

Polarization-resolved core exciton dynamics in LiF using attosecond transient absorption spectroscopy

Year: 2025

Type: article

Abstract: The authors introduce here linear dichroism into attosecond transient absorption spectroscopy measurements to explore the orbital character of core exciton excited states in LiF thin films during their few-femtosecond exciton coherence lifetimes. The dichroic effect is well-described by atomic alignment angular momentum rules, which allow or forbid transitions from an aligned $p$-like state to a resonant $s$-like state, depending on the beam polarizations. A few-level model simulation and density functional theory calculations are used to corroborate the orbital character assignments of the core exciton states in the solid.

Source: Physical review. B./Physical review. B

DOI: 10.1103/physrevb.111.134306

Authors: Kylie J. Gannan, Lauren B. Drescher, Rafael Quintero-Bermudez, Navdeep Rana, Chengye Huang, Kenneth Schafer, Mette B. Gaarde, Stephen R. Leone

Institutions: University of California, Berkeley, Louisiana State University, Lawrence Berkeley National Laboratory

Language: English

Topic: Laser-Matter Interactions and Applications

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

Funders: U.S. Department of Energy, European Commission, National Institutes of Health, Office of Science, UC Berkeley College of Chemistry, Basic Energy Sciences, Air Force Office of Scientific Research, H2020 Marie Skłodowska-Curie Actions

Awards: G1523888516, G2197087434, GPU Computing Cluster for Transformative Public Health driven Molecular Science, G3200939434, G36446433, G4998451262, G5626062330, G5729145195, G94835037, TRANSIENT ABSORPTION AND RESHAPING OF ULTRAFAST RADIATION

OpenAlex ID: W4409870543

FWCI: 1.635

Cites: 76

Cited by: 6

Related to: 10