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Related papers: Dynamical Casimir cooling in circuit QED systems

200 papers

Cavity-mediated cooling of the center--of--mass motion of a transversally, coherently pumped atom along the axis of a high--Q cavity is studied. The internal dynamics of the atomic dipole strongly coupled to the cavity field is treated by a…

Quantum Physics · Physics 2007-05-23 Peter Domokos , Thomas Salzburger , Helmut Ritsch

Exploring operational regimes of many-body cavity QED with multi-level atoms remains an exciting research frontier for their enhanced storage capabilities of intra-level quantum correlations. In this work, we consider an experimentally…

We revisit a theoretical scheme to create quantum entanglement of two three-levels superconducting quantum interference devices (SQUIDs) with the help of an auxiliary SQUID. In this scenario, two three-levels systems are coupled to a…

Quantum Physics · Physics 2015-06-26 T. Shi , Z. Song

We consider the quantum Rabi model with external time modulation of the atomic frequency, which can be employed to create excitations from the vacuum state of the electromagnetic field as a consequence of the dynamical Casimir effect.…

Quantum Physics · Physics 2017-07-12 A. V. Dodonov , D. Valente , T. Werlang

We propose a generalization of the superconducting circuit simulation of the dynamical Casimir effect where we consider relativistically moving boundary conditions following different trajectories. We study the feasibility of the setup used…

Quantum Physics · Physics 2016-02-03 Paulina Corona-Ugalde , Eduardo Martin-Martinez , C. M. Wilson , Robert B. Mann

In this paper we study the behavior of the Casimir energy of a "multi-cavity" across the transition from the metallic to the superconducting phase of the constituting plates. Our analysis is carried out in the framework of the ARCHIMEDES…

We study theoretically the efficiency of an asymmetric superconducting quantum interference device (SQUID) which is constructed as a loop with three capacitively and resistively shunted Josephson junctions. Two junctions are placed in…

Statistical Mechanics · Physics 2021-04-27 J. Spiechowicz , J. Łuczka

The dynamical Casimir effect (DCE) describes the energy conversion from a mechanical motion to the electromagnetic fields. When the mechanical oscillator is in a mechanically excited state, the free evolution due to the DCE produces…

Quantum Physics · Physics 2025-12-03 Ke-Xiong Yan , Yuan Qiu , Yang Xiao , Jie Song , Ye-Hong Chen , Yan Xia

A particular superconducting quantum interference device (SQUID)qubit, indicated as double SQUID qubit, can be manipulated by rapidly modifying its potential with the application of fast flux pulses. In this system we observe coherent…

Superconductivity · Physics 2012-05-08 F. Chiarello , E. Paladino , M. G. Castellano , C. Cosmelli , A. D'Arrigo , G. Torrioli , G. Falci

The study of non-reciprocal phenomena has long captivated interest in both Hermitian and non-Hermitian systems. The superconducting diode effect (SDE) is a non-reciprocal phenomenon characterized by unequal critical charge supercurrents…

Superconductivity · Physics 2025-08-15 Junjie Qi , Ming Lu , Jie Liu , Chui-Zhen Chen , X. C. Xie

Superfluid helium's low-loss dielectric properties, excellent thermal conductivity, and unique collective excitations make it an attractive candidate to incorporate into superconducting qubit systems. We controllably immerse a…

We present a study of the controllable nonlinear dynamics of a micromechanical beam coupled to a dc-SQUID (superconducting quantum interference device). The coupling between these systems places the modes of the beam in a highly nonlinear…

Mesoscale and Nanoscale Physics · Physics 2014-10-28 Lior Ella , D. Yuvaraj , Oren Suchoi , Oleg Shtempluk , Eyal Buks

Non-reciprocal charge transport in supercurrent diodes (SDs) polarized growing interest in the last few years for its potential applications in superconducting electronics (SCE). So far, SD effects have been reported in complex hybrid…

Mesoscale and Nanoscale Physics · Physics 2023-01-31 Federico Paolucci , Giorgio De Simoni , Francesco Giazotto

We propose a many-body mechanism for a strong Josephson diode effect (JDE) in an interacting nanoscale SQUID formed by two parallel quantum dots coupled to superconducting leads. Unlike conventional diode behavior, where nonreciprocity…

Superconductivity · Physics 2026-04-02 Zelei Zhang , Jianxiong Zhai , Yi Zhang , Jiawei Yan

To observe the dynamical Casimir effect (DCE) induced by a moving mirror is a long-standing challenge because the mirror velocity needs to approach the speed of light. Here, we present an experimentally feasible method for observing this…

Quantum Physics · Physics 2019-12-10 Wei Qin , Vincenzo Macrì , Adam Miranowicz , Salvatore Savasta , Franco Nori

Recent experimental realizations of uniform confining potentials for ultracold atoms make it possible to create quantum acoustic resonators and explore nonequilibrium dynamics of quantum field theories. These systems offer a promising new…

Quantum Physics · Physics 2019-05-29 Marios H. Michael , Joerg Schmiedmayer , Eugene Demler

We propose to implement tunable interaction of superconducting flux qubits with cavity-assisted interaction and strong driving. The qubits have a three-level Lambda configuration, and the decay of the excited state will be greatly…

Quantum Physics · Physics 2016-01-26 Zheng-Yuan Xue , Ya-Fei Li , Jian Zhou , Yu-Mei Gao , Gang Zhang

We investigate the dynamical Casimir effect in a coplanar waveguide (CPW) terminated by a superconducting quantum interference device (SQUID). Changing the magnetic flux through the SQUID parametrically modulates the boundary condition of…

Superconductivity · Physics 2009-12-07 J. R. Johansson , G. Johansson , C. M. Wilson , Franco Nori

We study the back-action noise and measurement efficiency (i.e. noise temperature) of a dc SQUID amplifier, and equivalently, a quantum point contact detector formed in a Luttinger liquid. Using a mapping to a dissipative tight-binding…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 A. A. Clerk

The Dicke model describes the coherent interaction of a laser-driven ensemble of two level atoms with a quantized light field. It is realized within cavity QED experiments, which in addition to the coherent Dicke dynamics feature…

Quantum Gases · Physics 2018-02-08 Jan Gelhausen , Michael Buchhold