Mesoscopic admittance of a double quantum dot

We calculate the mesoscopic admittance $G(\omega)$ of a double quantum dot (DQD), which can be measured directly using microwave techniques. This quantity reveals spectroscopic information on the DQD and is also directly sensitive to a Pauli spin blockade effect. We then discuss the problem of a DQD...

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Bibliographic Details
Published in:Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2011-03, Vol.83 (12), Article 121311
Main Authors: Cottet, Audrey, Mora, Christophe, Kontos, Takis
Format: Article
Language:English
Subjects:
ANGULAR MOMENTUM
APPROXIMATIONS
BOSONS
CALCULATION METHODS
COMPUTERIZED SIMULATION
Condensed Matter
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
CORRELATION FUNCTIONS
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
ELEMENTARY PARTICLES
FUNCTIONS
MASSLESS PARTICLES
MICROWAVE RADIATION
NANOSTRUCTURES
Other
PARTICLE PROPERTIES
PHOTONS
Physics
QUANTUM DOTS
RADIATIONS
RANDOM PHASE APPROXIMATION
RESONATORS
SIMULATION
SPIN
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Summary:We calculate the mesoscopic admittance $G(\omega)$ of a double quantum dot (DQD), which can be measured directly using microwave techniques. This quantity reveals spectroscopic information on the DQD and is also directly sensitive to a Pauli spin blockade effect. We then discuss the problem of a DQD coupled to a high quality photonic resonator. When the photon correlation functions can be developed along a random-phase-approximation-like scheme, the response of the resonator gives an access to $G(\omega)$.
ISSN:1098-0121
1550-235X
DOI:10.1103/PhysRevB.83.121311