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 …
Shapiro steps, where a microwave tone applied to a Josephson junction yields a constant …
One-dimensional Josephson junction arrays: Lifting the Coulomb blockade by depinning
N Vogt, R Schäfer, H Rotzinger, W Cui, A Fiebig… - Physical Review B, 2015 - APS
Experiments with one-dimensional arrays of Josephson junctions in the regime of
dominating charging energy show that the Coulomb blockade is lifted at the threshold …
dominating charging energy show that the Coulomb blockade is lifted at the threshold …
Superconductor-insulator transition in disordered Josephson-junction chains
We study the superconductor-insulator quantum phase transition in disordered Josephson-
junction chains. To this end, we derive the field theory from the lattice model that describes a …
junction chains. To this end, we derive the field theory from the lattice model that describes a …
Topologically enforced bifurcations in superconducting circuits
The relationship of topological insulators and superconductors and the field of nonlinear
dynamics is widely unexplored. To address this subject, we adopt the linear coupling …
dynamics is widely unexplored. To address this subject, we adopt the linear coupling …
Localizing quantum phase slips in one-dimensional Josephson junction chains
We studied quantum phase-slip (QPS) phenomena in long one-dimensional Josephson
junction series arrays with tunable Josephson coupling. These chains were fabricated with …
junction series arrays with tunable Josephson coupling. These chains were fabricated with …
Quantum simulation of traversable wormhole spacetimes in a dc-SQUID array
C Sabín - Physical Review D, 2016 - APS
We present an analog quantum simulator of spacetimes containing traversable wormholes.
A suitable spatial dependence in the external bias of a dc-SQUID array mimics the …
A suitable spatial dependence in the external bias of a dc-SQUID array mimics the …
Decay of plasmonic waves in Josephson junction chains
M Bard, IV Protopopov, AD Mirlin - Physical Review B, 2018 - APS
We study the damping of plasma waves in linear Josephson junction chains as well as in
two capacitively coupled chains. In the parameter regime where the ground capacitance can …
two capacitively coupled chains. In the parameter regime where the ground capacitance can …
One-dimensional sections of exotic spacetimes with superconducting circuits
C Sabín - New Journal of Physics, 2018 - iopscience.iop.org
We introduce analogue quantum simulations of 1+ 1 dimensional sections of exotic 3+ 1
dimensional spacetimes, such as Alcubierre warp-drive spacetime, Gödel rotating universe …
dimensional spacetimes, such as Alcubierre warp-drive spacetime, Gödel rotating universe …
[HTML][HTML] Towards Quantum Simulation of Black Holes in a dc-SQUID Array
A Terrones, C Sabín - Universe, 2021 - mdpi.com
We propose quantum simulations of 1+ 1D radial sections of different black hole spacetimes
(Schwarzschild, Reissner–Nordstrøm, Kerr and Kerr–Newman), by means of a dc-SQUID …
(Schwarzschild, Reissner–Nordstrøm, Kerr and Kerr–Newman), by means of a dc-SQUID …
Analogue non-causal Null Curves and Chronology protection in a dc-SQUID Array
C Sabín - Universe, 2022 - mdpi.com
We propose an analogue quantum simulator of a 1+ 1D spacetime containing non-causal
curves, in particular null geodesics going back in time, by means of a dc-SQUID array …
curves, in particular null geodesics going back in time, by means of a dc-SQUID array …