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Applications of cavity optomechanics span from gravitational wave detection to the study of quantum motion states in mesoscopic mechanical systems. The engineering of resonators supporting strongly interacting mechanical and optical modes…

We propose a computational method that simplifies drastically the inclusion of spin-orbit interaction in density functional theory implemented on localised atomic orbital basis sets. Our method is based on a well-known procedure for…

Materials Science · Physics 2009-11-11 Lucas Fernandez-Seivane , Miguel A. Oliveira , Stefano Sanvito , Jaime Ferrer

The pseudospectral method is a powerful tool for finding highly precise solutions of Schr\"{o}dinger's equation for few-electron problems. We extend the method's scope to wave functions with non-zero angular momentum and test it on several…

Atomic Physics · Physics 2013-05-29 Paul E. Grabowski , David F. Chernoff

We report the experimental study of a harmonic oscillator in the relativistic regime. The oscillator is composed of Bose-condensed lithium atoms in the third band of an optical lattice, which have an energy-momentum relation nearly…

The input power-induced transformation of the transverse intensity profile at the output of graded-index multimode optical fibers from speckles into a bell-shaped beam sitting on a low intensity background is known as spatial beam…

Optics · Physics 2023-04-25 Mario Ferraro , Fabio Mangini , Mario Zitelli , Stefan Wabnitz

Cavity optomechanics implements a unique platform where moving objects can be probed by quantum fields, either laser light or microwave signals. With a pump tone driving at a frequency above the cavity resonance, self-sustained oscillations…

Mesoscale and Nanoscale Physics · Physics 2024-10-17 A. Delattre , I. Golokolenov , R. Pedurand , X. Zhou , A. Fefferman , E. Collin

The broadening of lines by Stark effect is an important tool for inferring electron density and temperature in plasmas. Stark-effect calculations often rely on atomic data (transition rates, energy levels,...) not always exhaustive and/or…

Atomic Physics · Physics 2016-06-22 Jean-Christophe Pain , Franck Gilleron , Dominique Gilles

In this paper, we present a non-coherent energy detection scheme for spatial modulation (SM) systems. In particular, the use of SM is motivated by its low-complexity implementation in comparison to multiple-input multiple-output (MIMO)…

Information Theory · Computer Science 2023-09-11 Elio Faddoul , Ghassan M. Kraidy , Constantinos Psomas , Symeon Chatzinotas , Ioannis Krikidis

In this work, we systematically investigate the impact of ambient noise intensity on the rate modifications of ground-state chemical reactions in an optical cavity under vibrational strong-coupling conditions. To achieve this, we utilize a…

Chemical Physics · Physics 2025-01-20 Yaling Ke

Laser has unique advantages such as abundant spectrum resources and low propagation divergence in wireless charging and wireless communications, compared with radio frequency. Resonant beams, as a kind of intra-cavity laser beams, have been…

Signal Processing · Electrical Eng. & Systems 2022-03-03 Mingliang Xiong , Shun Han , Qingwen Liu , Shengli Zhou

We present an analytical study of the spatial decay rate $\gamma$ of the one-particle density matrix $\rho(\vec r,\vec r')\sim\exp(-\gamma|\vec r-\vec r'|)$ for systems described by single particle orbitals in periodic potentials in…

Materials Science · Physics 2007-05-23 Sohrab Ismail-Beigi , Tomas Arias

We demonstrate the splitting of a low-energy electron beam by means of a microwave pseudopotential formed above a planar chip substrate. Beam splitting arises from smoothly transforming the transverse guiding potential for an electron beam…

Quantum Physics · Physics 2015-05-19 Jakob Hammer , Sebastian Thomas , Philipp Weber , Peter Hommelhoff

The exploration of light has traditionally focused on its spatial properties, particularly its orbital angular momentum (OAM), while its temporal dynamics have remained an underexplored frontier due to the slow response times of existing…

Optics · Physics 2024-05-24 Michael de Oliveira , Antonio Ambrosio

We present an experimental arrangement that permits engineering of cavity back-action on a mesoscopic spin ensemble. By coupling a superconducting thin-film Nb microstrip resonator to a Trityl OX63 electron spin sample, we access different…

Rapid advancements in the micro and nano-technology create unlimited opportunities for design of novel optical materials and their applications. Recently, the possibility of the fast refractive index modulation was demonstrated in…

Optics · Physics 2022-06-23 V. V. Prosentsov

We study the interplay of spin-orbit coupling (SOC) and strong p-wave interaction to the scattering property of spin-1/2 ultracold Fermi gases. Based on a two-channel square-well potential generating p-wave resonance, we show that the…

Quantum Gases · Physics 2017-06-01 Xiaoling Cui

We study an optomechanical cavity, in which a buckled suspended beam serves as a mirror. The mechanical resonance frequency of the beam obtains a minimum value near the buckling temperature. Contrary to the common case, in which…

Optics · Physics 2012-07-05 D. Yuvaraj , M. B. Kadam , Oleg Shtempluck , Eyal Buks

Spatially distributed cavity (SDC) lasers are a promising technology for simultaneous light information and power transfer (SLIPT), offering benefits such as increased mobility and intrinsic safety, which are advantageous for various…

Systems and Control · Electrical Eng. & Systems 2026-02-24 Mingliang Xiong , Zeqian Guo , Qingqing Zhang , Qingwen Liu , Gang Wang , Gang Li , Bin He

Bloch oscillations are a hallmark of coherent wave dynamics in periodic potentials. They occur as the response of quantum mechanical particles in a lattice if a weak force is applied. In optical lattices with their perfect periodic…

Quantum Gases · Physics 2019-04-03 H. Keßler , J. Klinder , B. P. Venkatesh , Ch. Georges , A. Hemmerich

We propose a new approach to investigate the spin-charge separation in 1D quantum liquids via the optomechanical coupled atom-cavity system. We show that, one can realize an effective two-modes optomechanical model with the spin/charge…

Quantum Gases · Physics 2011-12-06 Qing Sun , W. M. Liu , An-Chun Ji