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We investigated the possibility of using a layer of quantum dots (QDs) deposited on the microparticle surface for the measurement of the charge the microparticle acquires when immersed into a plasma. To that end, we performed the…

Plasma Physics · Physics 2021-12-08 Mikhail Pustylnik , Zahra Marvi , Job Beckers

We show that the physics underlying the dynamical Casimir effect may generate multipartite quantum correlations. To achieve it, we propose a circuit quantum electrodynamics (cQED) scenario involving superconducting quantum interference…

Quantum Physics · Physics 2015-06-18 S. Felicetti , M. Sanz , L. Lamata , G. Romero , G. Johansson , P. Delsing , E. Solano

We analyze several phenomenological implications of a nonlocal generalization of quantum electrodynamics (QED). We compute the nonlocal corrections to the photon propagator up to one loop, and we show that nonlocality leads to a change of…

High Energy Physics - Phenomenology · Physics 2023-05-30 Antonio Capolupo , Aniello Quaranta , Raoul Serao

We study the quantum dynamics of two quantum dots (QDs) or artificial atoms coupled through the fundamental localized plasmon of a gold nanorod resonator. We derive an intuitive and efficient time-local master equation, in which the effect…

Mesoscale and Nanoscale Physics · Physics 2015-11-20 Rong-Chun Ge , Stephen Hughes

The electromagnetic vacuum is known to have energy. It has been recently argued that the quantum vacuum can possess momentum, that adds up to the momentum of matter. This ``Casimir momentum'' is closely related to the Casimir effect, in…

Quantum Physics · Physics 2015-05-14 Sebastien Kawka , Bart Van Tiggelen

Lasers and LEDs display a statistical distribution in the number of photons emitted in a given time interval. New applications exploiting the quantum properties of light require sources for which either individual photons, or pairs, are…

Quantum Physics · Physics 2015-05-13 Andrew J Shields

Quantum theory for measurements of energy is introduced and its consequences for the average position of monitored dynamical systems are analyzed. It turns out that energy measurements lead to a localization of the expectation values of…

Quantum Physics · Physics 2009-10-30 Roberto Onofrio , Lorenza Viola

We introduce a new platform for realizing on-chip quantum electrodynamics using photonic crystal waveguide structures comprised of periodic nanowire arrays with embedded semiconductor quantum dots to act as quantum light sources. These…

Mesoscale and Nanoscale Physics · Physics 2014-11-19 Gerasimos Angelatos , Stephen Hughes

Quantum computing (or generally, quantum information processing) is of prime interest for it potentially has a significant impact on present electronics and computations1-5. Essence of quantum computing is a direct usage of the…

Quantum Physics · Physics 2007-05-23 S. W. Hwang , D. Y. Jeong , M. S. Jun , M. H. Son , L. W. Engel , J. E. Oh , D. Ahn

The quantum interference effect on the quasiparticle density of states (DOS) is studied with the diagrammatic technique in two-dimensional d-wave superconductors with dilute nonmagnetic impurities both near the Born and near the unitary…

Superconductivity · Physics 2007-05-23 Y. H. Yang , Y. G. Wang , M. Liu , D. Y. Xing

The self-assembled quantum dot with lens domain has rotational symmetry but it is intrinsically asymmetric when the electron moves perpendicularly to its circular base, {\it i. e.} along the rotational axis. To characterize this asymmetry,…

Mesoscale and Nanoscale Physics · Physics 2016-08-16 Arezky H. Rodríguez , L. Meza-Montes

Full quantum tomography of high-dimensional quantum systems is experimentally infeasible due to the exponential scaling of the number of required measurements on the number of qubits in the system. However, several ideas were proposed…

Quantum Physics · Physics 2021-01-20 G. I. Struchalin , Ya. A. Zagorovskii , E. V. Kovlakov , S. S. Straupe , S. P. Kulik

The proximity effect (PE) between superconductor and confined electrons can induce the effective pairing phenomena of electrons in nanowire or quantum dot (QD). Through interpreting the PE as an exchange of virtually quasi-excitation in a…

Mesoscale and Nanoscale Physics · Physics 2014-04-04 Y. N. Fang , S. W. Li , L. C. Wang , C. P. Sun

We propose using Quantum Dots as novel targets to probe sub-GeV dark matter-electron interactions. Quantum dots are nanocrystals of semiconducting material, which are commercially available, with gram-scale quantities suspended in…

High Energy Physics - Phenomenology · Physics 2023-06-07 Carlos Blanco , Rouven Essig , Marivi Fernandez-Serra , Harikrishnan Ramani , Oren Slone

We present a theory for quantum nondemolition (QND) measurements of an atomic ensemble in the presence of spontaneous emission. We derive the master equation that governs the evolution of the ground state of the atoms and the quantum state…

Quantum Physics · Physics 2025-01-14 Ebubechukwu O. Ilo-Okeke , Tim Byrnes

In this paper, we study the Casimir effect in a curved spacetime described by gravitational actions quadratic in the curvature. In particular, we consider the dynamics of a massless scalar field confined between two nearby plates and…

General Relativity and Quantum Cosmology · Physics 2019-02-04 Luca Buoninfante , Gaetano Lambiase , Luciano Petruzziello , Antonio Stabile

The $k\cdot p$ effective mass approximation (EMA) predicts large, nearly size-independent exciton oscillator strengths in quantum confined semiconductors. Yet, experimental reports have concluded that the total oscillator strength of the…

Mesoscale and Nanoscale Physics · Physics 2017-03-06 Yanhao Tang , Mersedeh Saniepay , Chenjia Mi , Rémi Beaulac , John A. McGuire

The electronic spin degrees of freedom in semiconductors typically have decoherence times that are several orders of magnitude longer than other relevant timescales. A solid-state quantum computer based on localized electron spins as qubits…

Quantum Physics · Physics 2007-05-23 A. Imamoglu , D. D. Awschalom , G. Burkard , D. P. DiVincenzo , D. Loss , M. Sherwin , A. Small

Semiconductor nanoparticles (quantum dots) were studied in the context of liquid scintillator development for upcoming neutrino experiments. The unique optical and chemical properties of quantum dots are particularly promising for the use…

Instrumentation and Detectors · Physics 2015-06-16 C. Aberle , J. J. Li , S. Weiss , L. Winslow

This chapter explores various aspects of the Dynamical Casimir Effect (DCE) and its implications in the context of circuit quantum electrodynamics (cQED). We begin by reviewing the origin and fundamental properties of the DCE, including…

Quantum Physics · Physics 2025-04-16 Fernando C. Lombardo , Paula I. Villar