Avoiding decoherence with giant atoms in a two-dimensional structured environment
Physical Review Research,
Год журнала:
2024,
Номер
6(4)
Опубликована: Дек. 2, 2024
Giant
atoms
are
quantum
emitters
that
can
couple
to
light
at
multiple
discrete
points.
Such
have
been
shown
interact
without
decohering
via
a
one-dimensional
waveguide.
Here,
we
study
how
giant
behave
when
coupled
two-dimensional
square
lattice
of
cavities,
an
environment
characterized
by
finite-energy
band
and
gaps.
In
particular,
describe
the
role
bound
states
in
continuum
(BICs)
play
avoid
decoherence.
By
developing
numerical
methods,
able
investigate
dynamics
system
show
appearance
interfering
BICs
within
single
atom,
as
well
oscillating
between
many
atoms.
this
way,
find
geometric
arrangements
atomic
coupling
points
yield
protection
from
decoherence
lattice.
These
results
on
engineering
interaction
matter
may
applications
simulation
information
processing.
Published
American
Physical
Society
2024
Язык: Английский
Multimer states in multilevel waveguide QED
Physical review. A/Physical review, A,
Год журнала:
2024,
Номер
110(5)
Опубликована: Ноя. 12, 2024
Язык: Английский
Vortex bound states in dimerized π -flux optical lattices: Characterization, state preparation, and current measurement
Physical review. A/Physical review, A,
Год журнала:
2024,
Номер
110(6)
Опубликована: Дек. 23, 2024
Lattice
models
display
bound
states
for
repulsive
interactions
that
smoothly
connect
to
high-energy
two-particle
of
doubly
occupied
sites,
namely
doublons,
strong
on-site
interactions.
In
this
work,
we
show
a
distinct
type
repulsively
states,
vortex
two
bosons,
appear
in
dimerized
square
lattices
pierced
by
uniform
π
flux
moderate
By
focusing
on
ladder
geometry
as
an
illustrative
example,
characterize
their
properties,
including
chirality-changing
decay
channels
induced
detuning,
and
develop
protocols
perform
state
preparation
optical
via
adiabatic
sequences
or
recently
developed
current
imprinting
methods.
Finally,
how
measure
currents
thus
chirality
quenching
the
system
onto
isolated
pairs
nearest-neighbor
sites
then
sampling
corresponding
dynamics.
These
results
can
also
provide
experimentally
realistic
strategy
probing
chiral
gapped
many-body
phases
lattices.
locked
icon
Physics
Subject
Headings
(PhySH)Cold
gases
latticesQuantum
engineeringQuantum
simulationHubbard
model
Язык: Английский