Zobrazeno 1 - 10
of 117
pro vyhledávání: '"A. Poeltl"'
Autor:
Sala, Siva Teja, Keller, Sören, Chupakhin, Sergey, Pöltl, Dominik, Klusemann, Benjamin, Kashaev, Nikolai
Publikováno v:
In Journal of Materials Processing Tech. July 2022 305
Autor:
Steinacher, R., Pöltl, C., Krähenmann, T., Hofmann, A., Reichl, C., Zwerger, W., Wegscheider, W., Jalabert, R. A., Ensslin, K., Weinmann, D., Ihn, T.
Publikováno v:
Phys. Rev. B 98, 075426 (2018)
An open resonator fabricated in a two-dimensional electron gas is used to explore the transition from strongly invasive scanning gate microscopy to the perturbative regime of weak tip-induced potentials. With the help of numerical simulations that fa
Externí odkaz:
http://arxiv.org/abs/1709.08559
Autor:
Pöltl, Christina, Kozikov, Aleksey, Ensslin, Klaus, Ihn, Thomas, Jalabert, Rodolfo A., Reichl, Christian, Wegscheider, Werner, Weinmann, Dietmar
Publikováno v:
Phys. Rev. B 94, 195304 (2016)
Scanning gate microscopy measurements in a circular ballistic cavity with a tip placed near its center yield a non-monotonic dependence of the conductance on the tip voltage. Detailed numerical quantum calculations reproduce these conductance oscilla
Externí odkaz:
http://arxiv.org/abs/1603.00704
Autor:
Unterhauser, Katrin, Pöltl, Lisa, Schneditz, Georg, Kienesberger, Sabine, Glabonjat, Ronald A., Kitsera, Maksym, Pletz, Jakob, Josa-Prado, Fernando, Dornisch, Elisabeth, Lembacher-Fadum, Christian, Roier, Sandro, Gorkiewicz, Gregor, Lucena, Daniel, Barasoain, Isabel, Kroutil, Wolfgang, Wiedner, Marc, Loizou, Joanna I., Breinbauer, Rolf, Díaz, José Fernando, Schild, Stefan, Högenauer, Christoph, Zechner, Ellen L.
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America, 2019 Feb . 116(9), 3774-3783.
Externí odkaz:
https://www.jstor.org/stable/26672131
Publikováno v:
Phys. Rev. Lett. 111, 067002 (2013)
We have studied the Waiting Time Distributions (WTDs) for sub-gap transport through a single-level quantum dot tunnel coupled to one normal and one superconducting lead. The WTDs reveal the internal dynamics of the system in particular the coherent t
Externí odkaz:
http://arxiv.org/abs/1304.4301
Publikováno v:
Phys. Rev. B 87, 045416 (2013)
We present a transport setup of coupled quantum dots that enables the creation of spatially separated spin-entangled two-electron dark states. We prove the existence of an entangled transport dark state by investigating the system Hamiltonian without
Externí odkaz:
http://arxiv.org/abs/1209.0992
Publikováno v:
Phys. Rev. B 85, 245431 (2012)
We investigate the electronic transport through two parallel double quantum dots coupled both capacitively and via a perpendicularly aligned charge qubit. The presence of the qubit leads to a modification of the coherent tunnel amplitudes of each dou
Externí odkaz:
http://arxiv.org/abs/1204.2978
Autor:
Emary, Clive, Pöltl, Christina, Carmele, Alexander, Kabuss, Julia, Knorr, Andreas, Brandes, Tobias
Publikováno v:
Phys. Rev. B 85, 165417 (2012)
In quantum optics the $g^{(2)}$-function is a standard tool to investigate photon emission statistics. We define a $g^{(2)}$-function for electronic transport and use it to investigate the bunching and anti-bunching of electron currents. Importantly,
Externí odkaz:
http://arxiv.org/abs/1201.6323
Publikováno v:
Phys. Rev. B 84, 085302 (2011)
We propose a feedback control scheme for generating and stabilizing pure states of transport devices, such as charge qubits, under non-equilibrium conditions. The purification of the device state is conditioned on single electron jumps and leaves a c
Externí odkaz:
http://arxiv.org/abs/1103.2710
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