Observation of quantum interferences via light-induced conical intersections in diatomic molecules
Abstract
We observe energy-dependent angle-resolved diffraction patterns in protons from strong-field dissociation of the molecular hydrogen ion H+2. The interference is a characteristic of dissociation around a laser-induced conical intersection (LICI), which is a point of contact between two surfaces in the dressed 2-dimensional Born-Oppenheimer potential energy landscape of a diatomic molecule in a strong laser field. The interference magnitude and angular period depend strongly on the energy difference between the initial state and the LICI, consistent with coherent diffraction around a cone-shaped potential barrier whose width and thickness depend on the relative energy of the initial state and the cone apex. As a result, these findings are supported by numerical solutions of the time-dependent Schrodinger equation for similar experimental conditions.
- Authors:
-
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
- Tata Institute of Fundamental Research, Mumbai (India)
- Weizmann Institute of Science, Rehovot (Israel)
- Publication Date:
- Research Org.:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1253762
- Alternate Identifier(s):
- OSTI ID: 1246189; OSTI ID: 1255753
- Report Number(s):
- SLAC-PUB-16532
Journal ID: ISSN 0031-9007; PRLTAO
- Grant/Contract Number:
- AC02-76SF00515
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 116; Journal Issue: 14; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; light induced conical intersections; non-adiabatic dynamics; strong field; dissociation; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Citation Formats
Natan, Adi, Ware, Matthew R., Prabhudesai, Vaibhav S., Lev, Uri, Bruner, Barry D., Heber, Oded, and Bucksbaum, Philip H. Observation of quantum interferences via light-induced conical intersections in diatomic molecules. United States: N. p., 2016.
Web. doi:10.1103/PhysRevLett.116.143004.
Natan, Adi, Ware, Matthew R., Prabhudesai, Vaibhav S., Lev, Uri, Bruner, Barry D., Heber, Oded, & Bucksbaum, Philip H. Observation of quantum interferences via light-induced conical intersections in diatomic molecules. United States. https://doi.org/10.1103/PhysRevLett.116.143004
Natan, Adi, Ware, Matthew R., Prabhudesai, Vaibhav S., Lev, Uri, Bruner, Barry D., Heber, Oded, and Bucksbaum, Philip H. Thu .
"Observation of quantum interferences via light-induced conical intersections in diatomic molecules". United States. https://doi.org/10.1103/PhysRevLett.116.143004. https://www.osti.gov/servlets/purl/1253762.
@article{osti_1253762,
title = {Observation of quantum interferences via light-induced conical intersections in diatomic molecules},
author = {Natan, Adi and Ware, Matthew R. and Prabhudesai, Vaibhav S. and Lev, Uri and Bruner, Barry D. and Heber, Oded and Bucksbaum, Philip H.},
abstractNote = {We observe energy-dependent angle-resolved diffraction patterns in protons from strong-field dissociation of the molecular hydrogen ion H+2. The interference is a characteristic of dissociation around a laser-induced conical intersection (LICI), which is a point of contact between two surfaces in the dressed 2-dimensional Born-Oppenheimer potential energy landscape of a diatomic molecule in a strong laser field. The interference magnitude and angular period depend strongly on the energy difference between the initial state and the LICI, consistent with coherent diffraction around a cone-shaped potential barrier whose width and thickness depend on the relative energy of the initial state and the cone apex. As a result, these findings are supported by numerical solutions of the time-dependent Schrodinger equation for similar experimental conditions.},
doi = {10.1103/PhysRevLett.116.143004},
journal = {Physical Review Letters},
number = 14,
volume = 116,
place = {United States},
year = {Thu Apr 07 00:00:00 EDT 2016},
month = {Thu Apr 07 00:00:00 EDT 2016}
}
Web of Science
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