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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F10%3A10212205%21RIV11-MSM-15310___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
The observation of quantized nanomechanical oscillations by detecting femtometer-scale displacements is a significant challenge for experimentalists.We propose that a phonon blockade can serve as a signature of quantum behavior in nanomechanical resonators. In analogy to the photon blockade and Coulomb blockade for electrons, the main idea for phonon blockade is that the second phonon cannot be excited when there is one phonon in the nonlinear oscillator. To realize phonon blockade, a superconducting quantum two-level system is coupled to the nanomechanical resonator and is used to induce the phonon self-interaction. UsingMonteCarlo simulations, the dynamics of the induced nonlinear oscillator is studied via the Cahill-Glauber s-parametrized quasiprobability distributions. We show how the oscillation of the resonator can occur in the quantum regime and demonstrate how the phonon blockade can be observed with the currently accessible experimental parameters. The observation of quantized nanomechanical oscillations by detecting femtometer-scale displacements is a significant challenge for experimentalists.We propose that a phonon blockade can serve as a signature of quantum behavior in nanomechanical resonators. In analogy to the photon blockade and Coulomb blockade for electrons, the main idea for phonon blockade is that the second phonon cannot be excited when there is one phonon in the nonlinear oscillator. To realize phonon blockade, a superconducting quantum two-level system is coupled to the nanomechanical resonator and is used to induce the phonon self-interaction. UsingMonteCarlo simulations, the dynamics of the induced nonlinear oscillator is studied via the Cahill-Glauber s-parametrized quasiprobability distributions. We show how the oscillation of the resonator can occur in the quantum regime and demonstrate how the phonon blockade can be observed with the currently accessible experimental parameters.
dcterms:title
Qubit-induced phonon blockade as a signature of quantum behavior in nanomechanical resonators Qubit-induced phonon blockade as a signature of quantum behavior in nanomechanical resonators
skos:prefLabel
Qubit-induced phonon blockade as a signature of quantum behavior in nanomechanical resonators Qubit-induced phonon blockade as a signature of quantum behavior in nanomechanical resonators
skos:notation
RIV/61989592:15310/10:10212205!RIV11-MSM-15310___
n3:aktivita
n9:Z
n3:aktivity
Z(MSM6198959213)
n3:cisloPeriodika
3
n3:dodaniDat
n6:2011
n3:domaciTvurceVysledku
n17:1177915
n3:druhVysledku
n15:J
n3:duvernostUdaju
n8:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
283670
n3:idVysledku
RIV/61989592:15310/10:10212205
n3:jazykVysledku
n16:eng
n3:klicovaSlova
signature of quantum, observation, quantized nanomechanical
n3:klicoveSlovo
n7:signature%20of%20quantum n7:observation n7:quantized%20nanomechanical
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[B84FFCA063A5]
n3:nazevZdroje
Physical Review A
n3:obor
n13:BH
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
6
n3:rokUplatneniVysledku
n6:2010
n3:svazekPeriodika
82
n3:tvurceVysledku
Bajer, Jiří Gao, Y.B.. Liu, Yu-xi Sun, C.P.. Miranowicz, Adam Nori, Franco
n3:wos
000281449900001
n3:zamer
n11:MSM6198959213
s:issn
1050-2947
s:numberOfPages
9
n10:organizacniJednotka
15310