Squeezed-light-induced quantum phase transition in the Jaynes-Cummings model

Article Multidisciplinary Sciences

Observation of a quantum phase transition in the quantum Rabi model with a single trapped ion

M. -L. Cai et al.

Summary: Quantum phase transitions occur in many-body systems with abrupt changes in the ground state at zero temperature. Here the study reports evidence of quantum phase transition in a single trapped ion described using quantum Rabi model.

NATURE COMMUNICATIONS (2021)

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Article Multidisciplinary Sciences

Experimental quantum simulation of superradiant phase transition beyond no-go theorem via antisqueezing

Xi Chen et al.

Summary: In this study, the authors successfully simulated the occurrence of an equilibrium superradiant phase transition beyond the no-go theorem by introducing an anti-squeezing effect on a nuclear magnetic resonance platform. Experimental results showed the creation of strongly entangled and squeezed Schrodinger cat states, potentially playing a significant role in fundamental tests of quantum theory and quantum metrology implementations. The study demonstrates the potential of quantum simulation in investigating otherwise inaccessible physical scenarios.

NATURE COMMUNICATIONS (2021)

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Article Physics, Multidisciplinary

Quantum amplification of boson-mediated interactions

S. C. Burd et al.

Summary: Strong and precisely controlled interactions between quantum objects can be achieved through auxiliary bosonic quantum excitations, which can be amplified through parametric driving of the boson channel. This amplification technique has been experimentally demonstrated in trapped-ion qubits, providing increased interaction strength and speed-up of entangling gates. It can be applied to various quantum platforms for exploration of new parameter regimes and enhanced quantum information processing.

NATURE PHYSICS (2021)

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Article Physics, Multidisciplinary

Quantum Phases in a Quantum Rabi Triangle

Yu-Yu Zhang et al.

Summary: Studying the quantum Rabi triangle system revealed the emergence of a chiral phase and associated phase transitions, with potential implications for the study of artificial magnetic fields and light-matter coupling systems. This model may offer new insights and applications in the development of various quantum technologies.

PHYSICAL REVIEW LETTERS (2021)

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Article Optics

Multipartite quantum correlations in a two-mode Dicke model

Rodolfo R. Soldati et al.

Summary: In this study, multipartite correlations in a generalized Dicke model involving two optical modes interacting with an ensemble of two-level atoms are analyzed. The results show the existence of genuine tripartite entanglement in the vicinity of the critical lines, where quantum correlations are shared between the atoms and the two modes.

PHYSICAL REVIEW A (2021)

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Article Optics

Transmission spectra of the driven, dissipative Rabi model in the ultrastrong-coupling regime

L. Magazzu et al.

Summary: Theoretical transmission spectra of a strongly driven, damped flux qubit coupled to a dissipative resonator in the ultrastrong-coupling regime are presented in this research. The study characterizes the system properties under a strong drive, revealing distinctive features of the entangled driven qubit-resonator spectrum modified by the dissipative environment. This work establishes the theoretical basis for future experiments in the driven ultrastrong-coupling regime.

PHYSICAL REVIEW A (2021)

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Article Optics

Quantum phase transition of light in the dissipative Rabi-Hubbard lattice: A dressed-master-equation perspective

Tian Ye et al.

Summary: In this work, we investigated the quantum phase transition of light in the dissipative Rabi-Hubbard lattice using mean-field theory and quantum dressed master equation. Analytically derived the order parameter of photons in strong qubit-photon coupling regime at zero and low temperatures, accurately locating the localization and delocalization phase transition in a wide parameter region. Significantly improved critical tunneling strength observed, especially at finite temperature, compared to the Lindblad description, suggesting a deeper understanding of photons phase transition in the Rabi-Hubbard model.

PHYSICAL REVIEW A (2021)

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Article Optics

Universal dynamics of the superradiant phase transition in the anisotropic quantum Rabi model

Xunda Jiang et al.

Summary: In this study, we investigated the universal nonequilibrium dynamics of the superradiant phase transition in the anisotropic quantum Rabi model. By introducing position and momentum operators, we diagonalized the Hamiltonian, obtained the ground states and their excitation gaps, and numerically extracted critical exponents that were consistent with analytical results. This provides a dynamic approach to explore universal critical behaviors in the anisotropic quantum Rabi model.

PHYSICAL REVIEW A (2021)

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Article Physics, Fluids & Plasmas

Inverted harmonic oscillator dynamics of the nonequilibrium phase transition in the Dicke model

Karol Gietka et al.

Summary: This study demonstrates that the dynamics of the Dicke model can be described by an inverted harmonic oscillator model for a limited time after a quench from the ground-state configuration to the superradiant phase, which approaches infinity in the thermodynamic limit. This mechanism can also be applied to describe dynamical quantum phase transitions in other systems, offering an opportunity for simulations of physical phenomena associated with an inverted harmonic oscillator.

PHYSICAL REVIEW E (2021)

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Article Materials Science, Multidisciplinary

Quantum geometric tensor and quantum phase transitions in the Lipkin-Meshkov-Glick model

Daniel Gutierrez-Ruiz et al.

Summary: This study investigates the quantum metric tensor and scalar curvature of a specific version of the Lipkin-Meshkov-Glick model, analyzing ground-state and excited-state quantum phase transitions. By utilizing the Holstein-Primakoff approximation, analytic expressions for quantum metric tensor and curvatures were derived and compared with finite-size numerical results, showing good agreement except near phase transition points. The classical Hamiltonian was constructed using Bloch coherent states, revealing stability changes and bifurcation during quantum phase transitions.

PHYSICAL REVIEW B (2021)

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Article Physics, Fluids & Plasmas

Work statistics and symmetry breaking in an excited-state quantum phase transition

Zakaria Mzaouali et al.

Summary: This study investigates how an excited-state quantum phase transition is reflected in the dynamics of a many-body system subjected to a sudden quench. The work probability distribution shows non-Gaussian behavior for quenches near the excited-state critical point, and the entropy of the diagonal ensemble is highly sensitive to critical regions. Symmetry breaking affects the dynamics only for quenches beyond the critical point.

PHYSICAL REVIEW E (2021)

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Article Optics

Driven-dissipative phase transition in a Kerr oscillator: From semiclassical PT symmetry to quantum fluctuations

Xin H. H. Zhang et al.

Summary: In this study, a minimal model involving a driven-dissipative quantum phase transition in a Kerr nonlinear oscillator was analyzed using different theoretical approaches. The critical phenomena, including continuous phase transition, Z(2) symmetry breaking, PT symmetry, state squeezing, and critical fluctuations, were investigated and complemented by each approach. The model serves as a paradigm for exploration of open quantum many-body physics due to its simplicity and solvability.

PHYSICAL REVIEW A (2021)

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Article Physics, Multidisciplinary

Distinctive class of dissipation-induced phase transitions and their universal characteristics

Matteo Soriente et al.

Summary: Coupling a system to a nonthermal environment can lead to dissipation-induced phase transitions, where the environment overwhelms the system's symmetry-breaking tendencies and creates new phase-stability regions. Excitations differ through changes in their symplectic norm, resulting in the emergence of exceptional pointlike scenarios.

PHYSICAL REVIEW RESEARCH (2021)

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Article Optics

Probing the spectrum of the Jaynes-Cummings-Rabi model by its isomorphism to an atom inside a parametric amplifier cavity

R. Gutierrez-Jauregui et al.

Summary: This paper demonstrates the realization of the Jaynes-Cummings-Rabi model in cavity quantum electrodynamics and the observation of its full spectrum through a parametric amplifier cavity. The isomorphism leads to detunings replacing actual frequencies, enabling access to the ultrastrong coupling regime. In this regime, a narrow resonance peak is observed, traced back to the transition between ground and first excited states.

PHYSICAL REVIEW A (2021)

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Article Physics, Multidisciplinary

Squeezed Light Induced Symmetry Breaking Superradiant Phase Transition

C. J. Zhu et al.

PHYSICAL REVIEW LETTERS (2020)

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Article Physics, Multidisciplinary

Finite-Component Multicriticality at the Superradiant Quantum Phase Transition

Han-Jie Zhu et al.

PHYSICAL REVIEW LETTERS (2020)

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Article Physics, Multidisciplinary

Interplay of quantum phase transition and flat band in hybrid lattices

Gui-Lei Zhu et al.

PHYSICAL REVIEW RESEARCH (2020)

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Article Materials Science, Multidisciplinary

Finite-component dynamical quantum phase transitions

Ricardo Puebla

PHYSICAL REVIEW B (2020)

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Article Optics

Experimentally accessible quantum phase transition in a non-Hermitian Tavis-Cummings model engineered with two drive fields

Guo-Qiang Zhang et al.

PHYSICAL REVIEW A (2020)

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Article Optics

Universal fluctuations and squeezing in a generalized Dicke model near the superradiant phase transition

D. S. Shapiro et al.

PHYSICAL REVIEW A (2020)

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Review Physics, Multidisciplinary

Ultrastrong coupling regimes of light-matter interaction

P. Forn-Diaz et al.

REVIEWS OF MODERN PHYSICS (2019)

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Article Multidisciplinary Sciences

The Kibble-Zurek mechanism at exceptional points

Balazs Dora et al.

NATURE COMMUNICATIONS (2019)

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Review Physics, Applied

Ultrastrong coupling between light and matter

Anton Frisk Kockum et al.

NATURE REVIEWS PHYSICS (2019)

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Article Materials Science, Multidisciplinary

Dynamical quantum phase transition in Bose-Einstein condensates

Mehdi Abdi

PHYSICAL REVIEW B (2019)

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Article Physics, Multidisciplinary

Verification of a Many-Ion Simulator of the Dicke Model Through Slow Quenches across a Phase Transition

A. Safavi-Naini et al.

PHYSICAL REVIEW LETTERS (2018)

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Article Physics, Multidisciplinary

Tuning the Coupling of an Individual Magnetic Impurity to a Superconductor: Quantum Phase Transition and Transport

Laetitia Farinacci et al.

PHYSICAL REVIEW LETTERS (2018)

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Article Optics

Dissipative quantum phase transitions of light in a generalized Jaynes-Cummings-Rabi model

R. Gutierrez-Jauregui et al.

PHYSICAL REVIEW A (2018)

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Article Optics

Two-photon quantum Rabi model with superconducting circuits

S. Felicetti et al.

PHYSICAL REVIEW A (2018)

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Article Physics, Multidisciplinary

Superconducting qubit-oscillator circuit beyond the ultrastrong-coupling regime

Fumiki Yoshihara et al.

NATURE PHYSICS (2017)

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Article Multidisciplinary Sciences

Analog quantum simulation of the Rabi model in the ultra-strong coupling regime

Jochen Braumueller et al.

NATURE COMMUNICATIONS (2017)

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Article Physics, Multidisciplinary

Observation of the Photon-Blockade Breakdown Phase Transition

J. M. Fink et al.

PHYSICAL REVIEW X (2017)

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Article Physics, Multidisciplinary

Quantum phase transitions in the driven dissipative Jaynes-Cummings oscillator: From the dispersive regime to resonance

Th. K. Mavrogordatos

EPL (2016)

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Article Physics, Multidisciplinary

Quantum Phase Transition in the Finite Jaynes-Cummings Lattice Systems

Myung-Joong Hwang et al.

PHYSICAL REVIEW LETTERS (2016)

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Article Optics

Molecular spectra in collective Dicke states

Eran Sela et al.

PHYSICAL REVIEW A (2016)

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Article Physics, Multidisciplinary

Quantum Phase Transition and Universal Dynamics in the Rabi Model

Myung-Joong Hwang et al.

PHYSICAL REVIEW LETTERS (2015)

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Article Multidisciplinary Sciences

Exploring the quantum critical behaviour in a driven Tavis-Cummings circuit

M. Feng et al.

NATURE COMMUNICATIONS (2015)

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Article Physics, Multidisciplinary

Breakdown of Photon Blockade: A Dissipative Quantum Phase Transition in Zero Dimensions

H. J. Carmichael

PHYSICAL REVIEW X (2015)

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Article Optics

Superradiance transition in a system with a single qubit and a single oscillator

S. Ashhab

PHYSICAL REVIEW A (2013)

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Article Optics

Dispersive regime of circuit QED: Photon-dependent qubit dephasing and relaxation rates

Maxime Boissonneault et al.

PHYSICAL REVIEW A (2009)

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Article Physics, Multidisciplinary

Quantum chaos triggered by precursors of a quantum phase transition: The Dicke model

C Emary et al.

PHYSICAL REVIEW LETTERS (2003)

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Quantum effects on curve crossing in a Bose-Einstein condensate

VA Yurovsky et al.

PHYSICAL REVIEW A (2002)

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Article Optics

Quantum effects on dynamics of instabilities in Bose-Einstein condensates

VA Yurovsky

PHYSICAL REVIEW A (2002)

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Squeezed-light-induced quantum phase transition in the Jaynes-Cummings model

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