Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Acciai, Matteo"'
We propose an electronic bipartite system consisting of a working substance, in which a refrigeration process is implemented, and of a nonthermal resource region, containing a combination of different thermal baths. In the working substance, heat is
Externí odkaz:
http://arxiv.org/abs/2409.05823
We study bipartite quantum systems kept at different temperatures where a tunnel coupling between the two subsystems induces transitions. We find two independent constraints on the temperature-bias-dependent, out-of-equilibrium tunneling rates betwee
Externí odkaz:
http://arxiv.org/abs/2409.00981
Continued improvement of heat control in mesoscopic conductors brings novel tools for probing strongly correlated electron phenomena. Motivated by these advances, we comprehensively study transport due to a temperature bias in a quantum point contact
Externí odkaz:
http://arxiv.org/abs/2408.04525
Autor:
Acciai, Matteo, Tesser, Ludovico, Eriksson, Jakob, Sánchez, Rafael, Whitney, Robert S., Splettstoesser, Janine
Publikováno v:
Physical Review B 109, 075405 (2024)
We analyze a mesoscopic conductor autonomously performing a thermodynamically useful task, such as cooling or producing electrical power, in a part of the system -- the working substance -- by exploiting another terminal or set of terminals -- the re
Externí odkaz:
http://arxiv.org/abs/2309.11570
Autor:
Tesser, Ludovico, Acciai, Matteo, Spånslätt, Christian, Monsel, Juliette, Splettstoesser, Janine
Publikováno v:
Phys. Rev. B 107, 075409 (2023)
Nonequilibrium situations where selected currents are suppressed are of interest in fields like thermoelectrics and spintronics, raising the question of how the related noises behave. We study such zero-current charge, spin, and heat noises in a two-
Externí odkaz:
http://arxiv.org/abs/2210.06051
We consider a two-particle interferometer, where voltage sources applied to ohmic contacts inject electronic excitations into a pair of copropagating edge channels. We analyze the impact of channel mixing due to inter-edge tunneling on the current no
Externí odkaz:
http://arxiv.org/abs/2209.14813
Autor:
Edlbauer, Hermann, Wang, Junliang, Crozes, Thierry, Perrier, Pierre, Ouacel, Seddik, Geffroy, Clément, Georgiou, Giorgos, Chatzikyriakou, Eleni, Lacerda-Santos, Antonio, Waintal, Xavier, Glattli, D. Christian, Roulleau, Preden, Nath, Jayshankar, Kataoka, Masaya, Splettstoesser, Janine, Acciai, Matteo, Figueira, Maria Cecilia da Silva, Öztas, Kemal, Trellakis, Alex, Grange, Thomas, Yevtushenko, Oleg M., Birner, Stefan, Bäuerle, Christopher
Publikováno v:
EPJ Quantum Technology, vol. 9, article number 21 (2022)
The progress of charge manipulation in semiconductor-based nanoscale devices opened up a novel route to realise a flying qubit with a single electron. In the present review, we introduce the concept of these electron flying qubits, discuss their most
Externí odkaz:
http://arxiv.org/abs/2207.01318
Autor:
Acciai, Matteo, Roulleau, Preden, Taktak, Imen, Glattli, D. Christian, Splettstoesser, Janine
Publikováno v:
Phys. Rev. B 105, 125415 (2022)
We consider an electronic Hong-Ou-Mandel interferometer in the integer quantum Hall regime, where the colliding electronic states are generated by applying voltage pulses (creating for instance Levitons) to ohmic contacts. The aim of this work is to
Externí odkaz:
http://arxiv.org/abs/2201.06833
Autor:
Dashti, Nastaran, Acciai, Matteo, Kheradsoud, Sara, Misiorny, Maciej, Samuelsson, Peter, Splettstoesser, Janine
Publikováno v:
Phys. Rev. Lett. 127, 246802 (2021)
In voltage- and temperature-biased coherent conductors quantum screening effects occur if the conductor's transmission is energy-dependent. Here, we show that an additional ac-driven terminal can act as a probe for a direct readout of such effects, h
Externí odkaz:
http://arxiv.org/abs/2107.04667
Publikováno v:
Phys. Rev. Lett. 127, 136801 (2021)
We investigate the charge and heat electronic noise in a generic two-terminal mesoscopic conductor in the absence of the corresponding charge and heat currents. Despite these currents being zero, shot noise is generated in the system. We show that, i
Externí odkaz:
http://arxiv.org/abs/2102.12988