Nonadiabatic landau–zener–stückelberg–majorana transitions, dynamics, and interference

V Ivakhnenko, SN Shevchenko, F Nori - Physics Reports, 2023 - Elsevier
Since the pioneering works by Landau, Zener, Stückelberg, and Majorana (LZSM), it has
been known that driving a quantum two-level system results in tunneling between its states …

Demonstration of dual Shapiro steps in small Josephson junctions

F Kaap, C Kissling, V Gaydamachenko… - Nature …, 2024 - nature.com
Bloch oscillations in small Josephson junctions were predicted theoretically as the quantum
dual to Josephson oscillations. A significant consequence of this prediction is the …

Evidence of dual Shapiro steps in a Josephson junction array

N Crescini, S Cailleaux, W Guichard, C Naud… - Nature Physics, 2023 - nature.com
The modern primary voltage standard is based on the ac Josephson effect and the ensuing
Shapiro steps, where a microwave tone applied to a Josephson junction yields a constant …

Calorimetry of a phase slip in a Josephson junction

E Gümüş, D Majidi, D Nikolić, P Raif, B Karimi… - Nature Physics, 2023 - nature.com
Josephson junctions are a central element in superconducting quantum technology; in these
devices, irreversibility arises from abrupt slips of the quantum phase difference across the …

One-dimensional proximity superconductivity in the quantum Hall regime

J Barrier, M Kim, RK Kumar, N Xin, P Kumaravadivel… - Nature, 2024 - nature.com
Extensive efforts have been undertaken to combine superconductivity and the quantum Hall
effect so that Cooper-pair transport between superconducting electrodes in Josephson …

Symplectic geometry and circuit quantization

A Osborne, T Larson, SG Jones, RW Simmonds… - PRX Quantum, 2024 - APS
Circuit quantization is an extraordinarily successful theory that describes the behavior of
quantum circuits with high precision. The most widely used approach of circuit quantization …

Precision measurement of an electron pump at 2 GHz; the frontier of small DC current metrology

SP Giblin, G Yamahata, A Fujiwara, M Kataoka - Metrologia, 2023 - iopscience.iop.org
A well-characterised sample of silicon tunable-barrier electron pump has been operated at a
frequency of 2 GHz using a custom drive waveform, generating a pump current of 320 pA …

Quantized current steps due to the synchronization of microwaves with Bloch oscillations in small Josephson junctions

RS Shaikhaidarov, KH Kim, J Dunstan… - Nature …, 2024 - nature.com
Synchronization of Bloch oscillations in small Josephson junctions (JJs) under microwave
radiation, which leads to current quantization, has been proposed as an effect that is dual to …

Addressable superconductor integrated circuit memory from delay lines

J Volk, A Wynn, E Golden, T Sherwood… - Scientific Reports, 2023 - nature.com
Recent advances in logic schemes and fabrication processes have renewed interest in
using superconductor electronics for energy-efficient computing and quantum control …

Dephasing in fluxonium qubits from coherent quantum phase slips

MT Randeria, TM Hazard, A Di Paolo, K Azar, M Hays… - PRX Quantum, 2024 - APS
Phase slips occur across all Josephson junctions (JJs) at a rate that increases with the
impedance of the junction. In superconducting qubits composed of JJ-array superinductors …