Zobrazeno 1 - 10
of 1 084
pro vyhledávání: '"A. Houzet"'
We study the phase diagram of spin-triplet superconductors, considering the effect of the external magnetic field on the electrons' spins. For a given symmetry of the order parameter and a generic orientation of the field, we find that the paramagnet
Externí odkaz:
http://arxiv.org/abs/2407.12698
Autor:
Meyer, Julia S., Houzet, Manuel
Publikováno v:
Appl. Phys. Lett. 125, 022603 (2024)
When time-reversal and inversion symmetry are broken, superconducting circuits may exhibit a so-called diode effect, where the critical currents for opposite directions of the current flow differ. In recent years, this effect has been observed in a m
Externí odkaz:
http://arxiv.org/abs/2404.01429
Publikováno v:
Phys. Rev. B 110, 024505 (2024)
Understanding the mechanisms of qubit decoherence is a crucial prerequisite for improving the qubit performance. In this work we discuss the effects of residual Bogolyubov quasiparticles in Schr\"odinger cat qubits, either of the dissipative or Kerr
Externí odkaz:
http://arxiv.org/abs/2403.15310
At zero temperature, a Josephson junction coupled to an ohmic environment displays a quantum phase transition between superconducting and insulating phases, depending whether the resistance of the environment is below or above the resistance quantum.
Externí odkaz:
http://arxiv.org/abs/2403.13552
Publikováno v:
Phys. Rev. B 109, 184515 (2024)
In a Josephson junction, the transfer of Cooper pairs from one superconductor to the other one can be associated with the formation of Andreev bound states. In a Josephson junction made with a semiconducting nanowire, the spin degeneracy of these And
Externí odkaz:
http://arxiv.org/abs/2312.14865
A Josephson junction may be in a stable odd parity state when a single quasiparticle is trapped in an Andreev bound state. Embedding such junction in an electromagnetic environment gives rise to a special quantum mechanics of superconducting phase th
Externí odkaz:
http://arxiv.org/abs/2309.02728
Schmid transition was introduced first as a superconductor-insulator transition in the zero-frequency response of a shunted Josephson junction in equilibrium at zero temperature. As it is typical for a quantum impurity problem, at finite frequencies
Externí odkaz:
http://arxiv.org/abs/2308.16072
Publikováno v:
Phys. Rev. B 108, 214510 (2023)
We study the spectral properties of disordered superconductors with Ising spin-orbit coupling (ISOC) subjected to in-plane magnetic fields. In addition to the conventional singlet pairing, we also consider the recently proposed equal-spin triplet pai
Externí odkaz:
http://arxiv.org/abs/2308.02646
Publikováno v:
Phys. Rev. B 107, 134520 (2023)
The spin susceptibility is an important probe to characterize the symmetry of the order parameter in unconventional superconductors. Among them, nonunitary triplet superconductors have attracted a lot of attention recently in the context of the searc
Externí odkaz:
http://arxiv.org/abs/2212.11226
Autor:
Zhang, B., Li, Z., Aguilar, V., Zhang, P., Pendharkar, M., Dempsey, C., Lee, J. S., Harrington, S. D., Tan, S., Meyer, J. S., Houzet, M., Palmstrom, C. J., Frolov, S. M.
We study Josephson junctions based on InSb nanowires with Sn shells. We observe skewed critical current diffraction patterns: the maxima in forward and reverse current bias are at different magnetic flux, with a displacement of 20-40 mT. The skew is
Externí odkaz:
http://arxiv.org/abs/2212.00199