DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Dissipation and dynamics in ultrafast intersystem crossings

Journal Article · · Journal of Chemical Physics
DOI: https://doi.org/10.1063/1.5125005 · OSTI ID:1660553
ORCiD logo [1]
  1. Northern Illinois Univ., DeKalb, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)

The effects of dynamics and dissipation on ultrafast intersystem crossings are studied for a dissipative two-level system coupled to a local vibronic mode. A method of amplitude damping of the wave packet is presented that accounts better for the position of the wave packet and avoids spurious transitions between potential wells. In this work, it is demonstrated that Fermi's golden rule, the typical semiquantitative approach to extract population transfer rates from potential landscapes, only holds under limited conditions. Generally, the effects of dynamics and dissipation lead to deviations from the expected exponential population transfer, strong changes in transfer times and total population transfer, and significant recurrence or "spill back" of the wave packet.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division
Grant/Contract Number:
AC02-06CH11357; FG02-03ER46097
OSTI ID:
1660553
Journal Information:
Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 2 Vol. 152; ISSN 0021-9606
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

References (32)

Spin Crossover in Transition Metal Compounds I book January 2004
Theoretical study on ultrafast intersystem crossing of chromium(III) acetylacetonate journal May 2012
The multiconfiguration time-dependent Hartree (MCTDH) method: a highly efficient algorithm for propagating wavepackets journal January 2000
Spin-Vibronic Mechanism for Intersystem Crossing journal March 2018
Ultrafast Excited-State Decays in [Re(CO) 3 (N,N)(L)] n + : Nonadiabatic Quantum Dynamics journal February 2017
Vibronic Theory of Ultrafast Intersystem Crossing Dynamics in a Single Spin-Crossover Molecule at Finite Temperature beyond the Born–Oppenheimer Approximation journal February 2016
High-Efficiency Iron Photosensitizer Explained with Quantum Wavepacket Dynamics journal May 2016
Spin-Vibronic Quantum Dynamics for Ultrafast Excited-State Processes journal February 2015
Exceptional Excited-State Lifetime of an Iron(II)– N -Heterocyclic Carbene Complex Explained journal May 2014
Orbital-specific mapping of the ligand exchange dynamics of Fe(CO)5 in solution journal April 2015
Few-femtosecond passage of conical intersections in the benzene cation journal October 2017
Ultrafast intersystem crossings in Fe-Co Prussian blue analogues journal July 2017
Beyond structure: ultrafast X-ray absorption spectroscopy as a probe of non-adiabatic wavepacket dynamics journal January 2016
The multiconfiguration time-dependent Hartree method generalized to the propagation of density operators journal November 1999
Ab initio determination of potential energy surfaces for the first two UV absorption bands of SO 2 journal July 2013
Comparing thermal wave function methods for multi-configuration time-dependent Hartree simulations journal January 2014
Communication: Theoretical prediction of the importance of the 3 B 2 state in the dynamics of sulfur dioxide journal March 2014
Simulation of femtosecond two-dimensional electronic spectra of conical intersections journal August 2015
Probing wavepacket dynamics using ultrafast x-ray spectroscopy journal September 2015
Effects of Configuration Interaction on Intensities and Phase Shifts journal December 1961
Ultrafast cascading theory of intersystem crossings in transition-metal complexes journal August 2010
Time-dependent nonequilibrium soft x-ray response during a spin crossover journal March 2018
Model of Ultrafast Intersystem Crossing in Photoexcited Transition-Metal Organic Compounds journal February 2010
Sequential Activation of Molecular Breathing and Bending during Spin-Crossover Photoswitching Revealed by Femtosecond Optical and X-Ray Absorption Spectroscopy journal November 2014
Ultrafast X-Ray Spectroscopy of Conical Intersections journal June 2018
Structural Determination of a Short-Lived Excited Iron(II) Complex by Picosecond X-Ray Absorption Spectroscopy journal February 2007
Diabolical conical intersections journal October 1996
Femtosecond XANES Study of the Light-Induced Spin Crossover Dynamics in an Iron(II) Complex journal January 2009
Role of Conical Intersections in Molecular Spectroscopy and Photoinduced Chemical Dynamics journal May 2012
Dynamics at Conical Intersections journal April 2018
Orbital-specific mapping of the ligand exchange dynamics of $Fe(CO)_{5}$ in solution text January 2015
Ultrafast X-ray spectroscopy of conical intersections text January 2018