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We theoretically investigate the implementation of a quantum phase gate in a system constituted by a single atom inside an optical cavity, based on the electromagnetically induced transparency effect. Firstly we show that a probe pulse can…

量子物理 · 物理学 2016-12-21 Halyne S. Borges , Celso J. Villas-Bôas

A versatile table-top dusty plasma experimental (DPEx) device to study flow induced excitations of linear and nonlinear waves/structures in a complex plasma is presented. In this {$\Pi$}-shaped apparatus a DC glow discharge plasma is…

等离子体物理 · 物理学 2015-08-18 S. Jaiswal , P. Bandyopadhyay , A. Sen

Plasma wakefields driven inside a hollow-channel plasma are significantly different from those driven in a homogeneous plasma. This work investigates the scaling laws of the accelerating and focusing fields in the "crunch-in" regime. This…

等离子体物理 · 物理学 2016-10-12 Aakash A. Sahai

The positively charged nitrogen vacancy (NV+) centre in diamond has been traditionally treated as a dark state due to the experimental lack of an optical signature. Recent computational studies have shown that it is possible for the NV+…

介观与纳米尺度物理 · 物理学 2022-01-05 Akib Karim , Igor Lyskov , Salvy P. Russo , Alberto Peruzzo

Since the photon box gedanken experiments of several of the founding fathers of modern physics, considerable progress has been made in differentiating the quantum and classical worlds. In this pursuit, the cavity as an open quantum system…

量子物理 · 物理学 2014-12-02 Nathan D. Poulin

Dissipative light-matter systems can display emergent collective behavior. Here, we report a $\mathbb{Z}_2$-symmetry-breaking phase transition in a system of multi-level $^{87}$Rb atoms strongly coupled to a weakly driven two-mode optical…

We present a microscopic model for exciton-induced transparency (ExIT) in a hybrid system comprised of an emitter resonantly coupled to a surface plasmon in a metal-dielectric structure. We obtain an effective optical polarizability of such…

介观与纳米尺度物理 · 物理学 2020-11-18 Tigran V. Shahbazyan

We present a microscopic model describing the transition to strong coupling regime for an emitter resonantly coupled to a surface plasmon in a metal-dielectric structure. We demonstrate that the shape of scattering spectra is determined by…

介观与纳米尺度物理 · 物理学 2022-07-08 Tigran V. Shahbazyan

We present a fully second-quantized calculation showing the emergence of spontaneous coherent configurations of the electromagnetic field in interaction with charged bosons in a regular lattice. The bosons tend to oscillate at their plasma…

综合物理 · 物理学 2023-02-14 L. Gamberale , G. Modanese

We theoretically study bright and dark solitons in an experimentally relevant hybrid system characterized by strong light-matter coupling. We find that the corresponding two-component model supports a variety of coexisting moving solitons…

斑图形成与孤子 · 物理学 2022-10-11 A. V. Yulin , D. A. Zezyulin

The emergence of quantum chaos in a system of trapped interacting bosons with externally impressed rotation is studied through spectral form factor (SFF) and power spectrum using exact diagonalization. Two distinct interaction regimes are…

量子气体 · 物理学 2026-03-17 Mohd Talib , M. A. H. Ahsan

We investigate the discharge characteristics of a low-pressure geometrically asymmetric cylindrical capacitively coupled plasma discharge with an axisymmetric magnetic field generating an EXB drift in the azimuthal direction. Vital…

We show that a waveguide that is normally opaque due to interaction with a drop-filter cavity can be made transparent when the drop filter is also coupled to a dipole. A transparency condition is derived between the cavity lifetime and…

量子物理 · 物理学 2009-11-11 Edo Waks , Jelena Vuckovic

With the dielectric function computed from AdS/CFT correspondence, we studied the wake potential induced by a fast moving charge in strong coupling plasma, and compared it with the weak coupling wake potential for different particle…

高能物理 - 理论 · 物理学 2016-04-13 Lian Liu , Hui Liu

We study the dynamic contraction a self-sustained glow discharge in air in a rectangular duct with convective cooling. A two dimensional numerical model of the plasma contraction was developed in a cylindrical frame. The process is…

等离子体物理 · 物理学 2014-04-02 M. N. Shneider , M. S. Mokrov , G. M. Milikh

We explore experimentally a quantum metamaterial based on a superconducting chip with 25 frequency-tunable transmon qubits coupled to a common coplanar resonator. The collective bright and dark modes are probed via the microwave response,…

A numerical investigation on the spatiotemporal evolution of an electron beam, externally injected in a plasma in the presence of a plasma wake field, is carried out. The latter is driven by an ultra-short relativistic axially-symmetric…

加速器物理 · 物理学 2016-08-03 F. Tanjia , R. Fedele , S. De Nicola , T. Akhter , D. Jovanovic

In this paper we analyze the problem of glow discharge in low pressure plasma in industrial plant, for chambers of different shapes and various working parameters, like pressure and electric potential. The model described is based upon a…

等离子体物理 · 物理学 2015-03-17 Alessandro Speranza , Luigi Barletti , Luca Meacci , Stefano Fanfani , Iacopo Borsi , Alessandro Monti

We initiate a study of anisotropic plasma at strong coupling using the AdS/CFT correspondence. We construct an exact dual geometry which represents a static uniform but anisotropic system and find, that although it is singular, it allows…

高能物理 - 理论 · 物理学 2008-11-26 Romuald A. Janik , Przemyslaw Witaszczyk

We explore the potential of twisted light as a tool to unveil many-body effects in parabolically confined systems. According to the Generalized Kohn Theorem, the dipole response of such a multi-particle system to a spatially homogeneous…

量子物理 · 物理学 2021-05-13 Johanna I Fuks , Guillermo F Quinteiro , Heiko Appel , Pablo I Tamborenea