[en] Our quantum device is a solid-state array of semiconducting quantum dots
that is addressed and read by 2D electronic spectroscopy. The experimental ultrafast
dynamics of the device is well simulated by solving the time-dependent Schrödinger equation
for a Hamiltonian that describes the lower electronically excited states of the dots and three
laser pulses. The time evolution induced in the electronic states of the quantum device is
used to emulate the quite different nonequilibrium vibrational dynamics of a linear triatomic
molecule. We simulate the energy transfer between the two local oscillators and, in a more
elaborate application, the expectation values of the quantum mechanical creation and
annihilation operators of each local oscillator. The simulation uses the electronic coherences
engineered in the device upon interaction with a specific sequence of ultrafast pulses. The
algorithm uses the algebraic description of the dynamics of the physical problem and of the hardware.
Research Center/Unit :
MolSys - Molecular Systems - ULiège
Disciplines :
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
Author, co-author :
Komarova, Ksenia
Gattuso, Hugo ; Université de Liège - ULiège > Département de chimie (sciences) > Laboratoire de chimie physique théorique
Levine, R. D.
Remacle, Françoise ; Université de Liège - ULiège > Département de chimie (sciences) > Laboratoire de chimie physique théorique
Language :
English
Title :
Quantum Device Emulates the Dynamics of Two Coupled Oscillators
Publication date :
2020
Journal title :
Journal of Physical Chemistry Letters
eISSN :
1948-7185
Publisher :
American Chemical Society, Washington, United States - District of Columbia
scite shows how a scientific paper has been cited by providing the context of the citation, a classification describing whether it supports, mentions, or contrasts the cited claim, and a label indicating in which section the citation was made.
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