Fluxonium-based artificial molecule with a tunable magnetic moment

A Kou, WC Smith, U Vool, RT Brierley, H Meier… - Physical Review X, 2017 - APS
Engineered quantum systems allow us to observe phenomena that are not easily accessible
naturally. The LEGO®-like nature of superconducting circuits makes them particularly suited …

Quantum phase transition with dissipative frustration

D Maile, S Andergassen, W Belzig, G Rastelli - Physical Review B, 2018 - APS
We study the quantum phase transition of the one-dimensional phase model in the presence
of dissipative frustration, provided by an interaction of the system with the environment …

Fluxon-based quantum simulation in circuit QED

A Petrescu, HE Türeci, AV Ustinov, IM Pop - Physical Review B, 2018 - APS
Long-lived fluxon excitations can be trapped inside a superinductor ring, which is divided
into an array of loops by a periodic sequence of Josephson junctions in the quantum regime …

Shortcuts to adiabatic for implementing controlled-not gate with superconducting quantum interference device qubits

L Ma, YH Kang, ZC Shi, J Song, Y Xia - Quantum Information Processing, 2018 - Springer
We propose a protocol to implement controlled-not (C-NOT) gates of two superconducting
quantum interference device (SQUID) qubits in a cavity. The Rabi frequencies of driven …

Probing XY phase transitions in a Josephson junction array with tunable frustration

R Cosmic, K Kawabata, Y Ashida, H Ikegami… - Physical Review B, 2020 - APS
The seminal theoretical works of Berezinskii, Kosterlitz, and Thouless presented a paradigm
for phase transitions in condensed matter that are driven by topological excitations. These …

Quantum simulation of macro and micro quantum phase transition from paramagnetism to frustrated magnetism with a superconducting circuit

J Ghosh, BC Sanders - New Journal of Physics, 2016 - iopscience.iop.org
We devise a scalable scheme for simulating a quantum phase transition from
paramagnetism to frustrated magnetism in a superconducting flux-qubit network, and we …

Quantum effects of dissipative couplings to conjugate variables

D Maile - 2021 - kops.uni-konstanz.de
For the realistic theoretical descriptions of quantum devices, we have to take the
unavoidable coupling to their surrounding environment into account. A lot of effort in …

Low overhead universality and quantum supremacy using only control

B Barch, R Mohseninia, D Lidar - Physical Review Research, 2021 - APS
We consider a model of quantum computation we call “varying Z”(VZ), defined by applying
controllable Z-diagonal Hamiltonians in the presence of a uniform and constant external X …

[PDF][PDF] Superconducting Simulators for Quantum Impurity Models

MS Florens, MA Cottet, MM Grifoni, MS Skipetrov… - 2021 - inspirehep.net
Superconducting simulators for quantum impurity models Page 1 THÈSE Pour obtenir le
grade de Docteur de l’Université Grenoble Alpes Spécialité : Physique Théorique Arrêté …

Simulateurs supraconducteurs de modèles d'impuretés quantiques

T Sépulcre - 2021 - theses.hal.science
La physique de la matière condensée est une banche de la mécanique quantique qui
étudie les grandes assemblées de particules quantiques en interaction. Elle a germée à …