The Journal of Chemical Physics,
Journal Year:
2025,
Volume and Issue:
162(12)
Published: March 24, 2025
Recent
experiments
have
demonstrated
that
polariton
formation
provides
a
novel
strategy
for
modifying
local
molecular
processes
when
large
ensemble
of
molecules
is
confined
within
an
optical
cavity.
Herein,
numerical
based
on
coupled
Maxwell–Schrödinger
equations
examined
simulating
in
realistic
cavity
structure
under
collective
strong
coupling.
In
this
approach,
only
few
molecules,
referred
to
as
quantum
impurities,
are
treated
mechanically,
while
the
remaining
macroscopic
layer
and
modeled
using
dielectric
functions.
When
single
electronic
two-level
system
embedded
Lorentz
medium
two-dimensional
Bragg
resonator,
our
simulations
reveal
polariton-induced
Purcell
effect:
radiative
decay
rate
impurity
significantly
enhanced
by
frequency
matches
frequency,
can
sometimes
be
greatly
suppressed
near
resonance
with
bulk
forming
addition,
approach
demonstrates
absorption
light
exhibits
Rabi-splitting-dependent
suppression
due
inclusion
structure.
Our
also
identify
fundamental
limitation
approach—an
inaccurate
description
dephasing
rates
into
dark
modes.
This
arises
because
dark-mode
degrees
freedom
not
explicitly
included
most
simple
As
effect
alters
differently
from
weak
coupling,
may
facilitate
understanding
origin
polariton-modified
photochemistry
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(5), P. 2512 - 2552
Published: Feb. 28, 2024
Molecular
polaritons
are
quasiparticles
resulting
from
the
hybridization
between
molecular
and
photonic
modes.
These
composite
entities,
bearing
characteristics
inherited
both
constituents,
exhibit
modified
energy
levels
wave
functions,
thereby
capturing
attention
of
chemists
in
past
decade.
The
potential
to
modify
chemical
reactions
has
spurred
many
investigations,
alongside
efforts
enhance
manipulate
optical
responses
for
quantum
applications.
This
Review
centers
on
experimental
advances
this
burgeoning
field.
Commencing
with
an
introduction
fundamentals,
including
theoretical
foundations
various
cavity
architectures,
we
discuss
outcomes
polariton-modified
reactions.
Furthermore,
navigate
through
ongoing
debates
uncertainties
surrounding
underpinning
mechanism
innovative
method
controlling
chemistry.
Emphasis
is
placed
gaining
a
comprehensive
understanding
dynamics
polaritons,
particular,
vibrational
polaritons─a
pivotal
facet
steering
Additionally,
unique
capability
coherent
two-dimensional
spectroscopy
dissect
polariton
dark
mode
dynamics,
offering
insights
into
critical
components
within
that
alter
We
further
expand
utility
applications
as
well
precise
manipulation
polarizations,
notably
context
chiral
phenomena.
discussion
aspires
ignite
deeper
curiosity
engagement
revealing
physics
properties,
broad
fascination
harnessing
environments
control
Physical review. A/Physical review, A,
Journal Year:
2024,
Volume and Issue:
109(3)
Published: March 4, 2024
Making
and
using
polaritonic
states
(i.e.,
hybrid
electron-photon
states)
for
chemical
applications
has
recently
become
one
of
the
most
prominent
active
fields
that
connects
communities
chemistry
quantum
optics.
Modeling
such
phenomena
ab
initio
approaches
calls
new
methodologies,
leading
to
reinvention
many
commonly
used
electronic
structure
methods,
as
Hartree-Fock,
density
functional,
coupled
cluster
theories.
In
this
work,
we
explore
formally
exact
diffusion
Monte
Carlo
approach
obtain
numerical
solutions
ground
state
during
dissociation
${\mathrm{H}}_{2}$
molecular
system.
We
examine
various
electron-nuclear-photon
properties
throughout
dissociation,
changes
minimum
cavity
Born-Oppenheimer
surface,
localization
wave
function,
average
mode
occupation.
Finally,
directly
compare
our
results
obtained
with
state-of-the-art,
yet
approximate,
approaches.
Journal of Chemical Theory and Computation,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
The
coupling
of
matter
to
the
quantized
electromagnetic
field
a
plasmonic
or
optical
cavity
can
be
harnessed
modify
and
control
chemical
physical
properties
molecules.
In
cavities,
term
known
as
dipole
self-energy
(DSE)
appears
in
Hamiltonian
ensure
gauge
invariance.
aim
this
work
is
twofold.
First,
we
introduce
method,
which
has
its
own
merits
complements
existing
methods,
compute
DSE.
Second,
study
impact
DSE
on
cavity-induced
nonadiabatic
dynamics
realistic
system.
For
that
purpose,
various
matrix
elements
are
computed
functions
nuclear
coordinates
system
after
laser
excitation
investigated.
induce
conical
intersections
between
polaritons,
gives
rise
substantial
effects.
shown
slightly
affect
these
light-induced
and,
particular,
break
their
symmetry.
The Journal of Chemical Physics,
Journal Year:
2025,
Volume and Issue:
162(3)
Published: Jan. 16, 2025
Accurate
rovibrational
molecular
models
are
employed
to
gain
insight
in
high-resolution
into
the
collective
effects
and
intermolecular
processes
arising
when
molecules
gas
phase
interact
with
a
resonant
infrared
(IR)
radiation
mode.
An
efficient
theoretical
approach
is
detailed,
numerical
results
presented
for
HCl,
H2O,
CH4
confined
an
IR
cavity.
It
shown
that
by
employing
rotationally
resolved
model
molecules,
revealing
various
cavity-mediated
interactions
between
field-free
eigenstates,
it
possible
obtain
detailed
understanding
of
physical
governing
energy
level
structure,
absorption
spectra,
dynamic
behavior
systems.
Collective
effects,
due
interaction
identified
shifts,
intensity
borrowing
transfer
occurring
during
Hermitian
or
non-Hermitian
time
propagation.
The Journal of Physical Chemistry Letters,
Journal Year:
2024,
Volume and Issue:
15(5), P. 1428 - 1434
Published: Jan. 30, 2024
Intermolecular
(Coulombic)
interactions
are
pivotal
for
aggregation,
solvation,
and
crystallization.
We
demonstrate
that
the
collective
strong
coupling
of
several
molecules
to
a
single
optical
mode
results
in
notable
changes
molecular
excitations
around
perturbed
molecule,
thus
representing
an
impurity
otherwise
ordered
system.
A
competition
between
short-range
coulombic
long-range
photonic
correlations
inverts
local
transition
density
polaritonic
state,
suggesting
polarizability
solvation
shell.
Our
provide
alternative
perspective
on
recent
work
chemistry
pave
way
rigorous
treatment
cooperative
effects
Journal of Chemical Theory and Computation,
Journal Year:
2024,
Volume and Issue:
20(3), P. 1143 - 1156
Published: Feb. 1, 2024
We
apply
the
Lang–Firsov
(LF)
transformation
to
electron–boson
coupled
Hamiltonians
and
variationally
optimize
parameters
molecular
orbital
coefficients
determine
ground
state.
Møller–Plesset
(MP-n,
with
n
=
2
4)
perturbation
theory
is
then
applied
on
top
of
optimized
LF
mean-field
state
improve
description
electron–electron
correlations.
The
method
(LF–MP)
several
systems,
including
Hubbard–Holstein
model,
diatomic
molecule
dissociation
(H2,
HF),
modification
proton
transfer
reactions
(malonaldehyde
aminopropenal)
via
formation
polaritons
in
an
optical
cavity.
show
that
a
correction
for
correlation,
gives
quantitatively
accurate
energies
comparable
by
exact
diagonalization
or
coupled-cluster
theory.
effects
multiple
photon
modes,
spin
polarization,
comparison
coherent
MP
are
also
discussed.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(28), P. 18999 - 19008
Published: May 13, 2024
Enhancing
the
electrical
conductance
through
amorphous
nondoped
polymers
is
challenging.
Here,
we
show
that
vibrational
strong
coupling
(VSC)
of
intrinsically
nonconducting
and
such
as
polystyrene,
deuterated
poly(benzyl
methacrylate)
to
vacuum
electromagnetic
field
cavity
enhances
conductivity
by
at
least
6
orders
magnitude
compared
uncoupled
polymers.
Remarkably,
observed
extraordinary
mode
selective
occurs
only
under
VSC
aromatic
C–H(D)
out-of-plane
bending
modes
The
thermally
activated
onset
becomes
temperature-independent
collective
strength
increases.
characterizations
are
performed
without
external
light
excitation,
demonstrating
role
field–matter
in
enhancing
long-range
transport
even
The Journal of Chemical Physics,
Journal Year:
2024,
Volume and Issue:
161(1)
Published: July 2, 2024
The
generation
of
exciton–polaritons
through
strong
light–matter
interactions
represents
an
emerging
platform
for
exploring
quantum
phenomena.
A
significant
challenge
in
colloidal
nanocrystal-based
polaritonic
systems
is
the
ability
to
operate
at
room
temperature
with
high
fidelity.
Here,
we
demonstrate
room-temperature
coupling
CdSe
nanoplatelets
(NPLs)
a
Fabry–Pérot
optical
cavity,
leading
Rabi
splitting
74.6
meV.
Quantum–classical
calculations
accurately
predict
complex
dynamics
between
many
dark
state
excitons
and
optically
allowed
polariton
states,
including
experimentally
observed
lower
photoluminescence
emission,
concentration
intensities
higher
in-plane
momenta
as
cavity
becomes
more
negatively
detuned.
measured
5
K
similar
that
300
K,
validating
feasibility
temperature-independent
operation
this
system.
Overall,
these
results
show
NPLs
are
excellent
material
facilitate
development
technologies.
The Journal of Physical Chemistry Letters,
Journal Year:
2024,
Volume and Issue:
15(30), P. 7603 - 7609
Published: July 19, 2024
We
inspect
the
origin
of
inverted
singlet-triplet
gap
(INVEST)
and
slow
change
in
reverse
intersystem
crossing
(rISC)
rate
with
temperature,
as
recently
observed.
A
Wigner
phase
space
study
reveals
that,
though
INVEST
is
found
at
equilibrium
geometry,
variation
exchange
interaction
doubles-excitation
for
other
geometries
harmonic
region
leads
to
non-INVEST
behavior.
This
highlights
importance
nuclear
degrees
freedom
phenomenon,
this
case,
geometric
puckering
studied
molecule
determines
associated
rISC
dynamics.
The Journal of Chemical Physics,
Journal Year:
2025,
Volume and Issue:
162(1)
Published: Jan. 2, 2025
In
this
work,
we
investigate
anharmonic
vibrational
polaritons
formed
due
to
strong
light–matter
interactions
in
an
optical
cavity
between
radiation
modes
and
vibrations
beyond
the
long-wavelength
limit.
We
introduce
a
conceptually
simple
description
of
interactions,
where
spatially
localized
couple
vibrations.
Within
theoretical
framework,
employ
self-consistent
phonon
theory
dynamical
mean-field
efficiently
simulate
momentum-resolved
vibrational-polariton
spectra,
including
effects
anharmonicity.
Numerical
simulations
model
systems
demonstrate
accuracy
applicability
our
approach.