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11 papers · 2 filters
Ground-state properties of a triangular triple quantum dot connected to superconducting leads
Akira Oguri, Izumi Sato, Masashi Shimamoto +1
We study ground-state properties of a triangular triple quantum dot connected to two superconducting (SC) leads. In this system orbital motion along the triangular configuration ca…
Coupling two distant double quantum dots to a microwave resonator
Guang-Wei Deng, Da Wei, Shu-Xiao Li +9
With recent advances in the circuit quantum electrodynamics (cQED) architecture, hybrid systems that couple nano-devices to microwave resonators have been developing rapidly. Here…
Imaging the dynamics of free-electron Landau states
P. Schattschneider, Th. Schachinger, M. Stöger-Pollach +4
Landau levels and states of electrons in a magnetic field are fundamental quantum entities underlying the quantum-Hall and related effects in condensed matter physics. However, the…
Imaging two-component nature of Dirac-Landau levels in the topological surface state of Bi2Se3
Ying-Shuang Fu, M. Kawamura, K. Igarashi +3
Massless Dirac electrons in condensed matter have attracted considerable attention. Unlike conventional electrons, Dirac electrons are described in the form of two-component wave f…
Maximizing the purity of a qubit evolving in an anisotropic environment
Xiaoya Judy Wang, Stefano Chesi, W. A. Coish
We provide a general method to calculate and maximize the purity of a qubit interacting with an anisotropic non-Markovian environment. Counter to intuition, we find that the purity…
Electronic spectrum of twisted bilayer graphene
A. O. Sboychakov, A. L. Rakhmanov, A. V. Rozhkov +1
We study the electronic properties of twisted bilayers graphene in the tight-binding approximation. The interlayer hopping amplitude is modeled by a function, which depends not onl…