Review of performance metrics of spin qubits in gated semiconducting nanostructures
Abstract This Technical Review collects values of selected performance characteristics of
semiconductor spin qubits defined in electrically controlled nanostructures. The …
semiconductor spin qubits defined in electrically controlled nanostructures. The …
Dielectrics for two-dimensional transition-metal dichalcogenide applications
Despite over a decade of intense research efforts, the full potential of two-dimensional
transition-metal dichalcogenides continues to be limited by major challenges. The lack of …
transition-metal dichalcogenides continues to be limited by major challenges. The lack of …
Wigner molecular crystals from multielectron moiré artificial atoms
Semiconductor moiré superlattices provide a versatile platform to engineer quantum solids
composed of artificial atoms on moiré sites. Previous studies have mostly focused on the …
composed of artificial atoms on moiré sites. Previous studies have mostly focused on the …
Strong hole-photon coupling in planar Ge for probing charge degree and strongly correlated states
Semiconductor quantum dots (QDs) in planar germanium (Ge) heterostructures have
emerged as front-runners for future hole-based quantum processors. Here, we present …
emerged as front-runners for future hole-based quantum processors. Here, we present …
Wigner-molecularization-enabled dynamic nuclear polarization
Multielectron semiconductor quantum dots (QDs) provide a novel platform to study the
Coulomb interaction-driven, spatially localized electron states of Wigner molecules (WMs) …
Coulomb interaction-driven, spatially localized electron states of Wigner molecules (WMs) …
Electronic Wigner-molecule polymeric chains in elongated silicon quantum dots and finite-length quantum wires
A Goldberg, C Yannouleas, U Landman - Physical Review Applied, 2024 - APS
The spectral properties of electrons confined in a wirelike quasi-one-dimensional (1D)
elongated quantum dot coupler between silicon qubits are investigated with a valley …
elongated quantum dot coupler between silicon qubits are investigated with a valley …
Emergence and dynamical stability of a charge time-crystal in a current-carrying quantum dot simulator
Periodically driven open quantum systems that never thermalize exhibit a discrete time-
crystal behavior, a nonequilibrium quantum phenomenon that has shown promise in …
crystal behavior, a nonequilibrium quantum phenomenon that has shown promise in …
Molecular formations and spectra due to electron correlations in three-electron hybrid double-well qubits
C Yannouleas, U Landman - Physical Review B, 2022 - APS
We show that systematic full configuration-interaction (FCI) calculations enable prediction of
the energy spectra and the intrinsic spatial and spin structures of the many-body wave …
the energy spectra and the intrinsic spatial and spin structures of the many-body wave …
Wigner-molecule supercrystal in transition metal dichalcogenide moiré superlattices: Lessons from the bottom-up approach
C Yannouleas, U Landman - Physical Review B, 2024 - APS
The few-body problem for N= 4 fermionic charge carriers in a double-well moiré quantum
dot (MQD), representing the first step in a bottom-up strategy to investigate formation of …
dot (MQD), representing the first step in a bottom-up strategy to investigate formation of …
[HTML][HTML] Perspective on exchange-coupled quantum-dot spin chains
Electron spins in semiconductor quantum dots are a promising platform for quantum-
information processing applications because their quantum phase coherence can persist for …
information processing applications because their quantum phase coherence can persist for …