2.8k citations · 6.7k across the 35 of their papers we have counts for
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Periodic quantum Rabi model with cold atoms at deep strong coupling
Geram R. Hunanyan, Johannes Koch, Stefanie Moll +3
The quantum Rabi model describes the coupling of a two-state system to a bosonic field mode. Recent theoretical work has pointed out that a generalized periodic version of this mod…
Quantum Rabi dynamics of trapped atoms far in the deep strong coupling regime
Johannes Koch, Geram R. Hunanyan, Till Ockenfels +3
The coupling of a two-level system with an electromagnetic field, whose fully quantized version is the quantum Rabi model, is among the central topics of quantum physics. When the…
Loop-Free Tensor Networks for High-Energy Physics
S. Montangero, E. Rico, P. Silvi
This brief review introduces the reader to tensor network methods, a powerful theoretical and numerical paradigm spawning from condensed matter physics and quantum information scie…
Role of anomalous symmetry in 0- qubits
I. L. Egusquiza, A. Iñiguez, E. Rico +1
We present an exact full symmetry analysis of the 0- superconducting circuit. We identify points in control parameter space of enhanced anomalous symmetry, which imposes robust…
Quantum Simulation of the Bosonic Creutz Ladder with a Parametric Cavity
Jimmy S. C. Hung, J. H. Busnaina, C. W. Sandbo Chang +6
There has been a growing interest in realizing quantum simulators for physical systems where perturbative methods are ineffective. The scalability and flexibility of circuit quantu…
Quantum Simulation of Light-Front Parton Correlators
M. G. Echevarria, I. L. Egusquiza, E. Rico +1
The physics of high-energy colliders relies on the knowledge of different non-perturbative parton correlators, such as parton distribution functions, that encode the information on…
Chiral states and nonreciprocal phases in a Josephson junction ring
R. Asensio-Perea, A. Parra-Rodriguez, G. Kirchmair +2
In this work, we propose how to load and manipulate chiral states in a Josephson junction ring in the so called transmon regimen. We characterise these states by their symmetry pro…
Simulating Lattice Gauge Theories within Quantum Technologies
M. C. Bañuls, R. Blatt, J. Catani +17
Lattice gauge theories, which originated from particle physics in the context of Quantum Chromodynamics (QCD), provide an important intellectual stimulus to further develop quantum…
Unified Superradiant phase transitions
Jie Peng, Enrique Rico, Jianxin Zhong +2
We prove, by means of a unified treatment, that the superradiant phase transitions of Dicke and classical oscillator limits of simple light-matter models are indeed of the same typ…
Lattice gauge fields via modulation in circuit QED: The bosonic Creutz ladder
Hadiseh Alaeian, Chung Wai Sandbo Chang, Mehran Vahdani Moghaddam +3
In this work we propose two protocols to make an effective gauge potential for microwave photons in circuit QED. The schemes consist of coupled transmons whose flux are harmonicall…
Ultrastrong coupling regimes of light-matter interaction
P. Forn-Díaz, L. Lamata, E. Rico +2
Recent experiments have demonstrated that light and matter can mix together to an extreme degree, and previously uncharted regimes of light-matter interactions are currently being…
Two-photon quantum Rabi model with superconducting circuits
S. Felicetti, D. Z. Rossatto, E. Rico +2
We propose a superconducting circuit to implement a two-photon quantum Rabi model in a solid-state device, where a qubit and a resonator are coupled by a two-photon interaction. We…
Quantum Networks in Divergence-free Circuit QED
A. Parra-Rodriguez, E. Rico, E. Solano +1
Superconducting circuits are one of the leading quantum platforms for quantum technologies. With growing system complexity, it is of crucial importance to develop scalable circuit…
Quantum Simulation of Abelian Lattice Gauge Theories via State-Dependent Hopping
A. S. Dehkharghani, E. Rico, N. T. Zinner +1
We develop a quantum simulator architecture that is suitable for the simulation of Abelian gauge theories such as quantum electrodynamics. Our approach relies on the ability…
Quantum Rabi model in the Brillouin zone with ultracold atoms
Simone Felicetti, Enrique Rico, Carlos Sabin +6
The quantum Rabi model describes the interaction between a two-level quantum system and a single bosonic mode. We propose a method to perform a quantum simulation of the quantum Ra…
Finite-density phase diagram of a (1+1)-d non-abelian lattice gauge theory with tensor networks
Pietro Silvi, Enrique Rico, Marcello Dalmonte +2
We investigate the finite-density phase diagram of a non-abelian SU(2) lattice gauge theory in (1+1)-dimensions using tensor network methods. We numerically characterise the phase…
Loops and Strings in a Superconducting Lattice Gauge Simulator
G. K. Brennen, G. Pupillo, E. Rico +2
We propose an architecture for an analog quantum simulator of electromagnetism in 2+1 dimensions, based on an array of superconducting fluxonium devices. The encoding is in the int…
Entangling polaritons via dynamical Casimir effect in circuit quantum electrodynamics
D. Z. Rossatto, S. Felicetti, H. Eneriz +3
We investigate how the dynamical Casimir effect can entangle quantum systems in different coupling regimes of circuit quantum electrodynamics, and show the robustness of such entan…
Non-Abelian Lattice Gauge Theories in Superconducting Circuits
A. Mezzacapo, E. Rico, C. Sabín +3
We propose a digital quantum simulator of non-Abelian pure-gauge models with a superconducting circuit setup. Within the framework of quantum link models, we build a minimal instan…
Two-dimensional Lattice Gauge Theories with Superconducting Quantum Circuits
D. Marcos, P. Widmer, E. Rico +4
A quantum simulator of U(1) lattice gauge theories can be implemented with superconducting circuits. This allows the investigation of confined and deconfined phases in quantum link…
Lattice Gauge Tensor Networks
Pietro Silvi, Enrique Rico, Tommaso Calarco +1
We present a unified framework to describe lattice gauge theories by means of tensor networks: this framework is efficient as it exploits the high amount of local symmetry content…
Renormalization group transformations on quantum states
F. Verstraete, J. I. Cirac, J. I. Latorre +2
We construct a general renormalization group transformation on quantum states, independent of any Hamiltonian dynamics of the system. We illustrate this procedure for translational…
Fine-grained entanglement loss along renormalization group flows
J. I. Latorre, C. A. Lutken, E. Rico +1
We explore entanglement loss along renormalization group trajectories as a basic quantum information property underlying their irreversibility. This analysis is carried out for the…
Effective three-body interactions in triangular optical lattices
Jiannis K. Pachos, Enrique Rico
We demonstrate that a triangular optical lattice of two atomic species, bosonic or fermionic, can be employed to generate a variety of novel spin-1/2 Hamiltonians. These include ef…