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Related papers: Non-Classical Radiation Emission By A Coherent Con…

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Hybrid architectures integrating mesoscopic electronic conductors with resonant microwave cavities have a great potential for investigating unexplored regimes of electron-photon coupling. In this context, producing nonclassical squeezed…

Mesoscale and Nanoscale Physics · Physics 2015-11-10 Udson C. Mendes , Christophe Mora

According to electrodynamical equations in curved spacetime we consider the coupling of a linearized weak gravitational wave (GW) to a Gaussian beam passing through a static magnetic field. It is found that unlike the properties of the…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Fang-Yu Li , Zhang-Han Wu , Yi Zhang

The linear conductance of the a small metallic tunnel junction embedded in an electromagnetic environment of arbitrary impedance is determined in the semiclassical limit. Electron tunneling is treated beyond the orthodox theory of Coulomb…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Georg Goeppert , Hermann Grabert

We have experimentally demonstrated how two beams of light separated by an octave in frequency can become entangled after their interaction in a second-order nonlinear medium. The entangler consisted of a nonlinear crystal placed within an…

Quantum Physics · Physics 2009-11-13 Nicolai B. Grosse , Syed Assad , Moritz Mehmet , Roman Schnabel , Thomas Symul , Ping Koy Lam

We show that nonradiative interactions between atomic dipoles placed in a waveguide can give rise to deterministic entanglement at ranges much larger than their resonant wavelength. The range increases as the dipole-resonance approaches the…

Quantum Physics · Physics 2015-06-05 Ephraim Shahmoon , Gershon Kurizki

We report our study on unconventional charge density waves (UCDW) (i.e. a charge density wave with wavevector dependent gap) in pure quasi-one dimensional conductors. We develop a new possible mechanism of establishment of such a low…

Strongly Correlated Electrons · Physics 2009-11-11 András Ványolos , Balázs Dóra , Attila Virosztek

Magnetars are a class of highly magnetized, slowly rotating neutron stars, only a small fraction of which exhibit radio emission. We propose that the coherent radio curvature emission is generated by net charge fluctuations from a…

High Energy Astrophysical Phenomena · Physics 2019-04-24 Weiyang Wang , Bing Zhang , Xuelei Chen , Renxin Xu

In many problems, the scattering amplitudes of weak coherent pulse are almost equivalent to the ones of single propagating photon. We thoroughly compare the scattering of: (i) short microwave coherent pulse from rf generator and (ii)…

We analyze the general radiation emission mechanism from a charged particle moving in a curved inhomogeneous magnetic field. The consideration of the gradient makes the curved vacuum magnetic field compatible with the Maxwell equations and…

Astrophysics · Physics 2009-11-07 T. Harko , K. S. Cheng

We show how the coherent oscillations of a nanomechanical resonator can be entangled with a microwave cavity in the form of a superconducting coplanar resonator. Dissipation is included and realistic values for experimental parameters are…

Quantum Physics · Physics 2017-08-23 A. K. Ringsmuth , G. J. Milburn

Besides their stunning physical properties which are unmatched in a classical world, squeezed states of electromagnetic radiation bear advanced application potentials in quantum information systems and precision metrology, including…

When an electron is accelerated, it emits radiation. In the relativistic quantum realm the elementary radiation process is the emission of a single photon, a process known as nonlinear Compton scattering in the case of an electron moving in…

Quantum Physics · Physics 2026-05-06 Antonino Di Piazza , Kenan Qu

Radio observations from normal pulsars indicate that the coherent radio emission is excited by curvature radiation from charge bunches. In this review we provide a systematic description of the various observational constraints on the radio…

High Energy Astrophysical Phenomena · Physics 2024-06-03 Dipanjan Mitra , Rahul Basu , George I Melikizde

An interesting characteristic of magnetospheric chorus is the presence of a frequency gap at $\omega \simeq 0.5\Omega_e$, where $\Omega_e$ is the electron cyclotron angular frequency. Recent chorus observations sometimes show additional…

Space Physics · Physics 2015-04-22 Xiangrong Fu , Zehua Guo , Chuanfei Dong , S. Peter Gary

Shot noise measurements provide information on particles' charge and their correlations. We report on shot noise measurements in a ubiquitous quantum dot under a quantized magnetic field. The measured noise at the peaks of a sequence of…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 O. Zarchin , Y. C. Chung , M. Heiblum , D. Rohrlich , V. Umansky

Electron tunneling is associated with light emission. In order to elucidate its generating mechanism, we provide a novel experimental ansatz that employs fixed-distance epitaxial graphene as metallic electrodes. In contrast to previous…

Mesoscale and Nanoscale Physics · Physics 2020-11-04 Christian Ott , Stephan Götzinger , Heiko B. Weber

Vacuum fluctuations of the electromagnetic field set a fundamental limit to the sensitivity of a variety of measurements, including magnetic resonance spectroscopy. We report the use of squeezed microwave fields, which are engineered…

Mesoscale and Nanoscale Physics · Physics 2017-10-30 A. Bienfait , P. Campagne-Ibarcq , A. Holm-Kiilerich , X. Zhou , S. Probst , J. J. Pla , T. Schenkel , D. Vion , D. Esteve , J. J. L. Morton , K. Moelmer , P. Bertet

We study the dynamics of a pair of molecular ensembles trapped inside a superconducting resonator through which they are strongly coupled via a microwave field mode. We find that entanglement can be generated via "vacuum fluctuations" even…

Quantum Physics · Physics 2011-08-02 H. T. Ng , K. Burnett

Non-classical electron diffusion in crossed-field, low-temperature plasmas is measured experimentally. Laser-induced fluorescence and Thomson scattering are used to determine the inverse Hall parameter, a metric for cross-field transport,…

Plasma Physics · Physics 2024-04-01 Parker J. Roberts , Benjamin A. Jorns

Microwave transport experiments have been performed in a quasi-two-dimensional resonator with randomly distributed scatterers, each mimicking an $r^{-2}$ repulsive potential. Analysis of both stationary wave fields and transient transport…

Disordered Systems and Neural Networks · Physics 2010-03-09 R. Hoehmann , U. Kuhl , H. -J. Stoeckmann , L. Kaplan , E. J. Heller