English
Related papers

Related papers: Quantum interference in timed Dicke basis and its …

200 papers

Quantum interference is at the heart of what sets the quantum and classical worlds apart. We demonstrate that quantum interference effects involving a many-body working medium is responsible for genuinely non-classical features in the…

Quantum Physics · Physics 2018-04-20 Ali Ü. C. Hardal , Mauro Paternostro , Özgür E. Müstecaplıoğlu

Quantum interference can terminate energy growth in a continually kicked system, via a single-particle ergodicity-breaking mechanism known as dynamical localization. The effect of many-body interactions on dynamically localized states,…

The electronic entanglement between two free atoms initially at rest is obtained including the effects of photon recoil, for the case when quantum dispersion can be neglected during the atomic excited-state lifetime. Different from previous…

Quantum Physics · Physics 2015-05-14 F. Lastra , S. Wallentowitz

We study the finite time entanglement dynamics between two dark soliton qubits due to quantum fluctuations in a quasi one dimensional Bose-Einstein condensates. Recently, dark solitons are proved to be an appealing platform for qubits due…

Quantum Physics · Physics 2018-08-22 Muzzamal I. Shaukat , Eduardo. V. Castro , Hugo Terças

Quantum mechanics manifests in experimental observations in several ways. Hauge et al. (1987) and Leavens et al. (1989) had pointed out that interference effects dominate a physical quantity called injectance. We show that, very…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Urbashi Satpathi , P. Singha Deo

We analyze the time evolution of quantum entanglement in a model consisting of two two-level atoms interacting with a two-mode electromagnetic field for a variety of initial states and interatomic separations. We study two specific atomic…

Quantum Physics · Physics 2015-03-19 K. Sinha , N. I. Cummings , B. L. Hu

The dynamical evolution of a quantum system composed of two coupled cavities, each containing a two-level atom and a single-mode thermal field, is investigated under different conditions. The entanglement between the two atoms is controlled…

Quantum Physics · Physics 2014-01-28 Li-Tuo Shen , Zhen-Biao Yang , Huai-Zhi Wu , Xin-Yu Chen , Shi-Biao Zheng

We summarize our recent results for the induced exchange interaction due to thermal bosonic environment (bath) which also generates quantum noise. Our focus here is on the onset of the interaction. We demonstrate that the induced…

Quantum Physics · Physics 2010-09-22 Vladimir Privman , Dmitry Solenov , Denis Tolkunov

We investigate the charging process of quantum battery (QB) systems in an extended Dicke model with both atomic interactions and an external driving field. We focus on the effects of the atomic interaction and the external driving field on…

Quantum Physics · Physics 2022-06-22 Fu-Quan Dou , You-Qi Lu , Yuan-Jin Wang , Jian-An Sun

We follow the emergence of quantum entanglement in a scattering event between two initially uncorrelated distinguishable quantum particles interacting via a delta potential. We calculate the time dependence of the Neumann entropy of the…

Quantum Physics · Physics 2015-05-30 Mihaly G. Benedict , Judit Kovacs , Attila Czirjak

This article studies the decoherence induced on a system of two qubits by local interactions with a spin chain with nontrivial internal dynamics (governed by an XY Hamiltonian). Special attention is payed to the transition between two…

Quantum Physics · Physics 2013-05-29 Cecilia Cormick , Juan Pablo Paz

Quantum interference lies at the heart of several surprising equilibrium and non-equilibrium phenomena in many-body Physics. Here we discuss two recently explored non-equilibrium scenarios where external periodic drive applied to closed…

Other Condensed Matter · Physics 2017-08-02 Asmi Haldar , Arnab Das

We have studied entanglement entropy and Husimi $Q$ distribution as a tool to explore chaos in the quantum two-photon Dicke model. With the increase of the energy of system, the linear entanglement entropy of coherent state prepared in the…

Quantum Physics · Physics 2019-08-21 Shangyun Wang , Songbai Chen , Jiliang Jing

We show that controllable inhomogeneous coupling between two-level systems and a common data bus provides a fast mechanism to produce multipartite entanglement. Our proposal combines resonant interactions and engineering of coupling…

Quantum Physics · Physics 2015-06-03 C. E. López , F. Lastra , G. Romero , E. Solano , J. C. Retamal

Two-mode quantized electromagnetic fields can be entangled and admit a large number of coherent states. In this paper, we consider a two-mode system that consists of a two-level atom interacting with a two-mode quantized electromagnetic…

Materials Science · Physics 2007-05-23 Rui-Hua Xie , Qin Rao

We study the statistics of quantum interference for completely positive maps. We calculate analytically the mean interference and its second moment for finite dimensional quantum systems interacting with a simple environment consisting of…

Quantum Physics · Physics 2015-05-14 Ludovic Arnaud , Daniel Braun

In this paper, we experimentally demonstrate an oscillating energy shift of quantum-confined exciton levels in a semiconductor quantum well after excitation into a superposition of two quantum confined exciton states of different parity.…

Mesoscale and Nanoscale Physics · Physics 2020-12-30 A. V. Trifonov , A. S. Kurdyubov , I. Ya. Gerlovin , D. S. Smirnov , K. V. Kavokin , I. A. Yugova , M. Aßmann , A. V. Kavokin

We study non-classical pathways and quantum interference in enhanced ionisation of diatomic molecules in strong laser fields using machine learning techniques. Quantum interference provides a bridge, which facilitates intramolecular…

We apply wave packet methods to study an ion-trap system in the strong excitation regime imposing neither the rotating wave nor the Lamb-Dicke approximations. By this approach we show the existence of states with restricted phase space…

Quantum Physics · Physics 2009-11-13 Dong Wang , Tony Hansson , Asa Larson , Hans O. Karlsson , Jonas Larson

Interaction among the qubits are basis to many quantum logic operations. We report how such inter-qubit interactions can lead to new features, in the form of bright and dark periods in the entanglement dynamics of two qubits subject to…

Quantum Physics · Physics 2009-11-23 Sumanta Das , G. S. Agarwal