Zobrazeno 1 - 10
of 247
pro vyhledávání: '"Haug, Rolf"'
Autor:
Bayer, Johannes C., Brange, Fredrik, Schmidt, Adrian, Wagner, Timo, Rugeramigabo, Eddy P., Flindt, Christian, Haug, Rolf J.
The tunneling of interacting charges in nanostructures is a random and noisy process, which gives rise to a variety of intriguing physical phenomena, including Coulomb blockade, the Kondo effect, and Fermi-edge singularities. Such correlation effects
Externí odkaz:
http://arxiv.org/abs/2405.16724
Autor:
Dani, Olfa, Hussein, Robert, Bayer, Johannes C., Pierz, Klaus, Kohler, Sigmund, Haug, Rolf J.
Publikováno v:
Phys. Rev. B 109, L121404 (2024)
Spin-flips are one of the limiting factors for spin-based information processing. We demonstrate a transport approach for determining the spin-flip rates of a self-assembled InAs double quantum dot occupied by a single electron. In such devices, diff
Externí odkaz:
http://arxiv.org/abs/2310.11259
Autor:
Cao, Xin, Yang, Jingzhong, Fandrich, Tom, Zhang, Yiteng, Rugeramigabo, Eddy P., Brechtken, Benedikt, Haug, Rolf J., Zopf, Michael, Ding, Fei
Large-scale quantum networks require the implementation of long-lived quantum memories as stationary nodes interacting with qubits of light. Epitaxially grown quantum dots hold great potential for the on-demand generation of single and entangled phot
Externí odkaz:
http://arxiv.org/abs/2304.14170
Autor:
Cao, Xin, Yang, Jingzhong, Li, Pengji, Fandrich, Tom, Rugeramigabo, Eddy P., Křápek, Vlastimil, Ma, Chenxi, Benthin, Frederik, Keil, Robert, Brechtken, Benedikt, Haug, Rolf J., Oestreich, Michael, Zhang, Yiteng, Schmidt, Constantin, An, Zhao, Zopf, Michael, Ding, Fei
The surface of semiconductor nanostructures has a major impact on their electronic and optical properties. Disorder and defects in the surface layer typically cause degradation of charge carrier transport and radiative recombination dynamics. However
Externí odkaz:
http://arxiv.org/abs/2207.13387
Publikováno v:
Comm. Phys. 5, 292 (2022)
Quantum systems as used for quantum computation or quantum sensing are nowadays often realized in solid state devices as e.g. complex Josephson circuits or coupled quantum-dot systems. Condensed matter as an environment influences heavily the quantum
Externí odkaz:
http://arxiv.org/abs/2204.06333
Publikováno v:
Phys. Rev. Lett. 125, 206801 (2020)
We investigate theoretically and experimentally stochastic resonance in a quantum dot coupled to electron source and drain via time-dependent tunnel barriers. A central finding is a transition visible in the current noise spectrum as a bifurcation of
Externí odkaz:
http://arxiv.org/abs/2006.13773
Autor:
Brange, Fredrik, Schmidt, Adrian, Bayer, Johannes C., Wagner, Timo, Flindt, Christian, Haug, Rolf J.
Publikováno v:
Sci. Adv. 7, eabe0793 (2021)
Quantum technologies involving qubit measurements based on electronic interferometers rely critically on accurate single-particle emission. However, achieving precisely timed operations requires exquisite control of the single-particle sources in the
Externí odkaz:
http://arxiv.org/abs/2005.06176
The complex nature of filling factor $\nu$=0 of monolayer graphene is studied in magnetotransport experiments. As function of perpendicular magnetic field a metal-insulator transition is observed, which is attributed to disorder-induced Landau level
Externí odkaz:
http://arxiv.org/abs/1908.02420
Autor:
Rode, Johannes C., Zhai, Dawei, Belke, Christopher, Hong, Sung J., Schmidt, Hennrik, Sandler, Nancy, Haug, Rolf J.
Publikováno v:
2D Mater. 6, 015021 (2019)
Thin adhesive films can be removed from substrates, torn, and folded in distinct geometries under external driving forces. In two-dimensional materials, however, these processes can be self-driven as shown in previous studies on folded twisted bilaye
Externí odkaz:
http://arxiv.org/abs/1904.05634
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