Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Svetogorov, A. E."'
Autor:
Kurilovich, Pavel D., Kurilovich, Vladislav D., Svetogorov, Aleksandr E., Belzig, Wolfgang, Devoret, Michel H., Glazman, Leonid I.
A mechanism to deterministically prepare a nanowire Josephson junction in an odd parity state is proposed. The mechanism involves population of two Andreev levels by a resonant microwave drive breaking a Cooper pair, and a subsequent ionization of on
Externí odkaz:
http://arxiv.org/abs/2312.07512
Autor:
Coraiola, M., Svetogorov, A. E., Haxell, D. Z., Sabonis, D., Hinderling, M., Kate, S. C. ten, Cheah, E., Krizek, F., Schott, R., Wegscheider, W., Cuevas, J. C., Belzig, W., Nichele, F.
Publikováno v:
ACS Nano 18, 9221-9231 (2024)
We investigate the direction-dependent switching current in a flux-tunable four-terminal Josephson junction defined in an InAs/Al two-dimensional heterostructure. The device exhibits the Josephson diode effect, with switching currents that depend on
Externí odkaz:
http://arxiv.org/abs/2312.04415
Autor:
Haxell, D. Z., Coraiola, M., Hinderling, M., Kate, S. C. ten, Sabonis, D., Svetogorov, A. E., Belzig, W., Cheah, E., Krizek, F., Schott, R., Wegscheider, W., Nichele, F.
Publikováno v:
Nano Letters 23, 7532-7538 (2023)
We perform switching current measurements of planar Josephson junctions (JJs) coupled by a common superconducting electrode, with independent control over the two superconducting phase differences. We observe an anomalous phase shift in the current--
Externí odkaz:
http://arxiv.org/abs/2306.00866
Autor:
Coraiola, M., Haxell, D. Z., Sabonis, D., Weisbrich, H., Svetogorov, A. E., Hinderling, M., Kate, S. C. ten, Cheah, E., Krizek, F., Schott, R., Wegscheider, W., Cuevas, J. C., Belzig, W., Nichele, F.
Publikováno v:
Nat Commun 14, 6784 (2023)
In hybrid Josephson junctions with three or more superconducting terminals coupled to a semiconducting region, Andreev bound states may form unconventional energy band structures, or Andreev matter, which are engineered by controlling superconducting
Externí odkaz:
http://arxiv.org/abs/2302.14535
We analyze results of a recent experiment [D. Razmadze et al., Phys. Rev. Lett., 125, 116803 (2020)] on transport through a quantum dot between two full-shell nanowires and show that the observed effects are caused by the Kondo effect enhancement due
Externí odkaz:
http://arxiv.org/abs/2301.12442
We study theoretically a short single-channel Josephson junction between superconductors in the trivial and topological phases. The junction is assumed to be biased by a small current and subjected to quasiparticle poisoning. We find that the presenc
Externí odkaz:
http://arxiv.org/abs/2112.05650
Publikováno v:
Phys. Rev. B 103, 180505 (2021)
We study analytically a current-biased topological Josephson junction supporting $\mathbb{Z}_n$ parafermions. First, we show that in an infinite-size system a pair of parafermions on the junction can be in $n$ different states; the $2\pi{n}$ periodic
Externí odkaz:
http://arxiv.org/abs/2012.09062
Publikováno v:
Phys. Rev. Research 2, 033448 (2020)
We study analytically an underdamped current-biased topological Josephson junction. First, we consider a simplified model at zero temperature, where the parity of the non-local fermionic state formed by Majorana bound states (MBSs) localized on the j
Externí odkaz:
http://arxiv.org/abs/2006.16643
Autor:
Svetogorov, A. E., Basko, D. M.
We study coherent quantum phase-slips in a Josephson junction chain, including two types of quenched disorder: random spatial modulation of the junction areas and random induced background charges. Usually, the quantum phase-slip amplitude is sensiti
Externí odkaz:
http://arxiv.org/abs/1806.09501
Autor:
Svetogorov, Aleksandr E., Taguchi, Masahiko, Tokura, Yasuhiro, Basko, Denis M., Hekking, Frank W. J.
Publikováno v:
Phys. Rev. B 97, 104514 (2018)
We study coherent quantum phase-slips which lift the ground state degeneracy in a Josephson junction ring, pierced by a magnetic flux of the magnitude equal to half of a flux quantum. The quantum phase-slip amplitude is sensitive to the normal mode s
Externí odkaz:
http://arxiv.org/abs/1711.09755