Detecting Majorana modes by readout of poisoning-induced parity flips
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Detecting Majorana modes by readout of poisoning-induced parity flips. / Schulenborg, Jens; Krojer, Svend; Burrello, Michele; Leijnse, Martin; Flensberg, Karsten.
I: Physical Review B, Bind 107, Nr. 12, 121401, 03.03.2023.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Detecting Majorana modes by readout of poisoning-induced parity flips
AU - Schulenborg, Jens
AU - Krojer, Svend
AU - Burrello, Michele
AU - Leijnse, Martin
AU - Flensberg, Karsten
PY - 2023/3/3
Y1 - 2023/3/3
N2 - Reading out the parity degree of freedom of Majorana bound states is key to demonstrating their non-Abelian exchange properties. Here, we present a low-energy model describing localized edge states in a two-arm device. We study parity-to-charge conversion based on coupling the superconductor bound states to a quantum dot whose charge is read out by a sensor. The dynamics of the system, including the readout device, is analyzed in full using a quantum-jump approach. We show how the resulting signal and signal-to-noise ratio differentiates between local Majorana and Andreev bound states.
AB - Reading out the parity degree of freedom of Majorana bound states is key to demonstrating their non-Abelian exchange properties. Here, we present a low-energy model describing localized edge states in a two-arm device. We study parity-to-charge conversion based on coupling the superconductor bound states to a quantum dot whose charge is read out by a sensor. The dynamics of the system, including the readout device, is analyzed in full using a quantum-jump approach. We show how the resulting signal and signal-to-noise ratio differentiates between local Majorana and Andreev bound states.
KW - SINGLE QUANTUM-DOT
KW - STATES
KW - SPIN
U2 - 10.1103/PhysRevB.107.L121401
DO - 10.1103/PhysRevB.107.L121401
M3 - Journal article
VL - 107
JO - Physical Review B
JF - Physical Review B
SN - 2469-9950
IS - 12
M1 - 121401
ER -
ID: 340938382