The Journal of Chemical Physics,
Journal Year:
2025,
Volume and Issue:
162(6)
Published: Feb. 10, 2025
Molecular
polaritons
arise
when
the
collective
coupling
between
an
ensemble
of
N
molecules
and
optical
mode
exceeds
individual
photon
molecular
linewidths.
The
complexity
their
description
stems
from
multiscale
nature,
where
local
dynamics
each
molecule
can,
in
principle,
be
influenced
by
behavior
entire
ensemble.
To
address
this,
we
previously
introduced
a
formalism
called
using
truncated
equations
(CUT-E).
CUT-E
approaches
problem
two
stages.
First,
it
exploits
permutational
symmetries
to
obtain
substantial
simplification
problem.
However,
this
is
often
insufficient
for
parameter
regimes
relevant
most
experiments.
Second,
takes
exact
solution
→
∞
limit
as
reference
derives
systematic
finite-N
corrections.
Here,
provide
novel
derivation
based
on
recently
developed
bosonization
techniques.
We
lay
down
its
connections
with
1/N
expansions
that
are
ubiquitous
other
fields
physics
present
unexplored
key
aspects
formalism,
including
various
types
approximations
extensions
high-excitation
manifolds.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: May 12, 2023
Recent
experiments
suggest
that
ground
state
chemical
reactivity
can
be
modified
when
placing
molecular
systems
inside
infrared
cavities
where
vibrations
are
strongly
coupled
to
electromagnetic
radiation.
This
phenomenon
lacks
a
firm
theoretical
explanation.
Here,
we
employ
an
exact
quantum
dynamics
approach
investigate
model
of
cavity-modified
reactions
in
the
condensed
phase.
The
contains
coupling
reaction
coordinate
generic
solvent,
cavity
either
or
non-reactive
mode,
and
lossy
modes.
Thus,
many
most
important
features
needed
for
realistic
modeling
modification
included.
We
find
molecule
is
optical
it
essential
treat
problem
mechanically
obtain
quantitative
account
alterations
reactivity.
sizable
sharp
changes
rate
constant
associated
with
mechanical
splittings
resonances.
emerge
from
our
simulations
closer
those
observed
than
previous
calculations,
even
realistically
small
values
loss.
work
highlights
importance
fully
treatment
vibrational
polariton
chemistry.
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
Journal of Chemical Theory and Computation,
Journal Year:
2024,
Volume and Issue:
20(3), P. 1214 - 1227
Published: Jan. 30, 2024
Polariton
chemistry
has
attracted
great
attention
as
a
potential
route
to
modify
chemical
structure,
properties,
and
reactivity
through
strong
interactions
among
molecular
electronic,
vibrational,
or
rovibrational
degrees
of
freedom.
A
rigorous
theoretical
treatment
polaritons
requires
the
matter
photon
freedom
on
equal
quantum
mechanical
footing.
In
limit
electronic
ultrastrong
coupling
one
few
molecules,
it
is
desirable
treat
using
tools
ab
initio
chemistry,
yielding
an
approach
we
refer
cavity
electrodynamics,
where
are
treated
at
level
electrodynamics.
Here,
present
called
Cavity
Quantum
Electrodynamics
Complete
Active
Space
Configuration
Interaction
theory
provide
ground-
excited-state
polaritonic
surfaces
with
balanced
description
correlation
effects
photonic
This
method
provides
platform
for
electrodynamics
when
both
electron
light–matter
important
step
toward
computational
approaches
that
yield
multiple
energy
couplings
can
be
leveraged
dynamics
simulations
polariton
chemistry.
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.
The Journal of Chemical Physics,
Journal Year:
2025,
Volume and Issue:
162(1)
Published: Jan. 7, 2025
We
outline
two
general
theoretical
techniques
to
simulate
polariton
quantum
dynamics
and
optical
spectra
under
the
collective
coupling
regimes
described
by
a
Holstein–Tavis–Cummings
(HTC)
model
Hamiltonian.
The
first
one
takes
advantage
of
sparsity
HTC
Hamiltonian,
which
allows
reduce
cost
acting
Hamiltonian
onto
state
vector
linear
order
number
states,
instead
quadratic
order.
second
is
applying
well-known
Chebyshev
series
expansion
approach
for
propagation
in
system;
this
us
use
much
larger
time
step
only
requires
few
recursive
operations
on
vectors.
These
approaches
are
can
be
applied
any
trajectory-based
non-adiabatic
methods.
apply
these
with
our
previously
developed
Lindblad-partially
linearized
density
matrix
absorption
system,
both
inhomogeneous
site
energy
disorders
dipolar
orientational
disorders.
Our
numerical
results
agree
well
previous
analytic
work.
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.
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 21, 2025
Recent
experiments
have
shown
that
exciton
transport
can
be
significantly
enhanced
through
hybridization
with
confined
photonic
modes
in
a
cavity.
The
light-matter
generates
exciton-polariton
(EP)
bands,
whose
group
velocity
is
larger
than
the
excitons.
Dissipative
mechanisms
affect
constituent
states
of
EPs,
such
as
exciton–phonon
coupling
and
cavity
loss,
been
observed
to
reduce
velocities
experiments.
To
elucidate
impacts
these
dissipative
on
polariton
transport,
we
developed
an
efficient
quantum
dynamics
approach
allows
us
directly
simulate
under
collective
regime
beyond
long-wavelength
approximation.
Our
numerical
results
suggest
renormalization
stronger
strengths
smaller
Q-factor.
We
observe
transition
from
ballistic
diffusive
propagation
well
quality-factor-dependent
behavior
transient
mean
square
displacement,
agreeing
recent
experimental
measurements.
Physical Review Research,
Journal Year:
2025,
Volume and Issue:
7(1)
Published: March 5, 2025
Despite
recent
numerical
evidence,
one
of
the
fundamental
theoretical
mysteries
polaritonic
chemistry
is
how
and
if
collective
strong
coupling
can
induce
local
changes
electronic
structure
to
modify
chemical
properties.
Here
we
present
nonperturbative
analytic
results
for
a
model
system
consisting
an
ensemble
N
harmonic
molecules
under
vibrational
(VSC)
that
alters
our
understanding
this
question.
By
applying
cavity
Born-Oppenheimer
partitioning
on
Pauli-Fierz
Hamiltonian
in
dipole
approximation,
dressed
many-molecule
problem
be
solved
nonperturbatively
analytically
dilute
limit,
i.e.,
self-consistent
solution
with
mean-field
Hartree-product
wave
function
becomes
exact.
We
discover
molecular
polarizabilities
are
modified
even
case
vanishingly
small
single-molecule
couplings.
Consequently,
polarization
mechanism
persists
large-N
limit.
In
contrast,
perturbative
calculation
based
uncoupled
leads
qualitatively
erroneous
scaling
behavior
vanishing
effects
large-N
Nevertheless,
exact
(self-consistent)
determined
from
simulations
instead.
Our
observations
demonstrate
hitherto
existing
collective-scaling
arguments
insufficient
they
pave
way
refined
single-
(or
few-)molecule
strong-coupling
systems
coupling.
Published
by
American
Physical
Society
2025
The Journal of Physical Chemistry Letters,
Journal Year:
2023,
Volume and Issue:
14(36), P. 8261 - 8267
Published: Sept. 7, 2023
Recent
experiments
in
polariton
chemistry
have
demonstrated
that
reaction
rates
can
be
modified
by
vibrational
strong
coupling
to
an
optical
cavity
mode.
Importantly,
this
modification
occurs
only
when
the
frequency
of
mode
is
tuned
closely
match
a
molecular
frequency.
This
sharp
resonance
behavior
has
proved
difficult
capture
theoretically.
Only
recently
did
Lindoy
et
al.
[
Physical Chemistry Chemical Physics,
Journal Year:
2023,
Volume and Issue:
25(46), P. 31554 - 31577
Published: Jan. 1, 2023
Light-matter
interaction
not
only
plays
an
instrumental
role
in
characterizing
materials'
properties
via
various
spectroscopic
techniques
but
also
provides
a
general
strategy
to
manipulate
material
the
design
of
novel
nanostructures.
This
perspective
summarizes
recent
theoretical
advances
modeling
light-matter
interactions
chemistry,
mainly
focusing
on
plasmon
and
polariton
chemistry.
The
former
utilizes
highly
localized
photon,
plasmonic
hot
electrons,
local
heat
drive
chemical
reactions.
In
contrast,
chemistry
modifies
potential
energy
curvatures
bare
electronic
systems,
hence
their
forming
hybrid
states,
so-called
polaritons.
starts
with
basic
background
interactions,
molecular
quantum
electrodynamics
theory,
challenges
Then,
are
described,
future
directions
toward
multiscale
simulations
interaction-mediated
discussed.