Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 26, 2025
Abstract
In
the
context
of
quantum
thermodynamics,
batteries
have
emerged
as
promising
devices
for
energy
storage
and
manipulation.
Over
past
decade,
substantial
progress
is
made
in
understanding
fundamental
properties
batteries,
with
several
experimental
implementations
showing
great
promise.
This
perspective
provides
an
overview
solid‐state
materials
platforms
that
can
lead
to
fully
operational
batteries.
After
briefly
introducing
basic
features
organic
microcavities
are
discussed,
where
superextensive
charging
already
demonstrated
experimentally.
Now,
this
explores
other
materials,
including
inorganic
nanostructures
(such
wells
dots),
perovskite
systems,
(normal
high‐temperature)
superconductors.
Key
achievements
these
areas,
relevant
realization
highlighted.
The
challenges
future
research
directions
also
addressed.
Despite
their
enormous
potential
devices,
into
advanced
still
its
infancy.
paper
aims
stimulate
interdisciplinarity
convergence
among
different
science
communities
accelerate
development
new
device
architectures
In
this
tutorial,
we
present
the
definition,
interpretation,
and
properties
of
some
main
quasiprobabilities
that
can
describe
statistics
measurement
outcomes
evaluated
at
two
or
more
times.
Such
incorporate
incompatibility
observables
state
measured
quantum
system.
We
particularly
focus
on
Kirkwood-Dirac
related
distributions.
also
discuss
techniques
to
experimentally
access
a
quasiprobability
distribution,
ranging
from
weak
two-point
scheme,
Ramsey-like
interferometric
scheme
procedures
assisted
by
an
external
detector.
Once
defined
fundamental
concepts
following
standpoint
joint
measurability
in
mechanics,
illustrate
use
thermodynamics
work
heat,
explain
anomalies
energy
exchanges
entailed
given
thermodynamic
transformation.
On
one
hand,
protocols,
show
how
absorbed
be
converted
extractable
vice
versa
due
Hamiltonian
distinct
other
exchange
processes
between
systems
initially
different
temperatures,
correlations
their
initial
may
induce
cold-to-hot
exchanges,
which
are
unnatural
any
pair
equilibrium
nondriven
systems.
conclude
tutorial
giving
simple
examples
where
applied
many-body
systems:
scrambling
information,
sensitivity
local
perturbations,
quenched
dynamics
models
mapped
onto
free
fermions,
for
instance,
Ising
model
with
transverse
field.
Throughout
meticulously
derivations
essential
alongside
straightforward
examples,
aiming
enhance
comprehension
facilitate
learning.
Published
American
Physical
Society
2024
Advanced Quantum Technologies,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 24, 2025
Abstract
Finding
a
quantum
battery
model
that
demonstrates
advantage
while
remaining
feasible
for
experimental
production
is
considerable
challenge.
Here,
superconducting
(SQB)
exhibits
such
an
introduced.
The
consists
of
two
coupled
qubits
interact
during
the
unitary
charging
process
in
equilibrium
with
thermal
reservoir.
First,
described,
evidence
provided,
and
then
fabrication
discussed
using
qubits.
Analytical
expressions
ergotropy,
instantaneous
power,
capacity
SQB,
as
well
their
connection
to
coherence
are
derived.
It
demonstrated
leveraging
collective
effects
Josephson
energies
coupling
energy
between
allows
optimization,
resulting
improved
redistribution
significant
enhancement
efficiency.
This
work
highlights
complexities
tuning
system
parameters,
which
increase
potential
extraction
from
providing
deeper
understanding
mechanisms
involved.
These
findings
can
be
applied
circuit
architectures,
underscoring
feasibility
efficient
storage
these
systems.
results
pave
way
proposals
new
devices,
emphasizing
storage.
Physical Review Letters,
Год журнала:
2024,
Номер
133(19)
Опубликована: Ноя. 7, 2024
We
investigate
the
performance
of
a
one-dimensional
dimerized
$XY$
chain
as
spin
quantum
battery.
Such
integrable
model
shows
rich
phase
diagram
that
emerges
through
mapping
spins
onto
auxiliary
fermionic
degrees
freedom.
consider
charging
protocol
relying
on
double
quench
an
internal
parameter,
namely
strength
dimerization,
and
address
energy
stored
in
systems.
observe
three
distinct
regimes,
depending
timescale
characterizing
duration
charging:
short-time
regime
related
to
dynamics
single
dimers,
long-time
recurrence
time
system
at
finite
size,
thermodynamic
limit
regime.
In
latter,
is
almost
unaffected
by
precise
values
parameters,
provided
crosses
transition.
Finally,
we
analytically
prove
three-timescale
behavior
strong
dependence
also
hold
Ising
transverse
field.
Our
results
can
play
relevant
role
design
stable
solid-state
batteries.
