English
Related papers

Related papers: Coherent Patterning of Matter Waves with Subwavele…

200 papers

We present a detailed study of oscillating modes in a slab waveguide with air core and anisotropic metamaterial cladding. It is shown that, under specific dielectric configurations, slow and even stopped electromagnetic wave can be…

Optics · Physics 2009-01-08 Tian Jiang , Junming Zhao , Yijun Feng

Traditional simultaneous localization and mapping (SLAM) methods focus on improvement in the robot's localization under environment and sensor uncertainty. This paper, however, focuses on mitigating the need for exact localization of a…

Robotics · Computer Science 2022-03-30 Pranay Mathur , Rajesh Kumar , Sarthak Upadhyay

This work theoretically investigates possibilities of using the Stimulated Raman Adiabatic Passage (STIRAP) and its variants to control a coherent superposition of quantum states. We present a generalization of the so-called fractional…

Quantum Physics · Physics 2026-01-14 Miguel A. Alarcón , Karl Hauser , Nikolay V. Golubev

We propose a method for slowing particles by laser fields that potentially has the ability to generate large forces without the associated momentum diffusion that results from the random directions of spontaneously scattered photons. In…

Atomic Physics · Physics 2020-10-21 John P. Bartolotta , Jarrod T. Reilly , Murray J. Holland

In this paper, a three-dimensional light detection and ranging simultaneous localization and mapping (SLAM) method is proposed that is available for tracking and mapping with 500--1000 Hz processing. The proposed method significantly…

Robotics · Computer Science 2021-03-02 Masashi Yokozuka , Kenji Koide , Shuji Oishi , Atsuhiko Banno

This paper presents Range-SLAM, a real-time, lightweight SLAM system designed to address the challenges of localization and mapping in environments with smoke and other harsh conditions using Ultra-Wideband (UWB) signals. While optical…

Robotics · Computer Science 2024-09-17 Yi Liu , Zhuozhu Jian , Shengtao Zheng , Houde Liu , Xueqian Wang , Xinlei Chen , Bin Liang

Shortcut to adiabatic passage (STAP), initially proposed to accelerate adiabatic quantum state transfer, has been widely explored and applied in quantum optics and integrated optics. Here we bring STAP into the field of acoustics to design…

Optics · Physics 2022-06-06 Shuai Tang , Jin-Lei Wu , Cheng Lü , Jie Song , Yongyuan Jiang

Collective two-color photoassociation of a freely-interacting 87Rb Bose-Einstein condensate is theoretically examined, focusing on stimulated Raman adiabatic passage (STIRAP) from an atomic to a stable molecular condensate. In particular,…

Atomic Physics · Physics 2016-09-08 Matt Mackie , Anssi Collin , Juha Javanainen

We show that shear waves traveling towards the surface of a half-space medium can be attenuated via buried one-dimensional arrays of resonators -- here called metapiles -- arranged according to sparse patterns around a site to be isolated.…

Applied Physics · Physics 2024-01-17 Paolo Celli , Ilaria Nunzi , Andrea Calabrese , Stefano Lenci , Chiara Daraio

We demonstrate a position-sensing technique that relies on the inherent sensitivity of chaos, where we illuminate a subwavelength object with a complex structured radio-frequency field generated using wave chaos and a nonlinear feedback…

Chaotic Dynamics · Physics 2015-05-30 Seth D. Cohen , Hugo L. D. de S. Cavalcante , Daniel J. Gauthier

We demonstrate a method to generate spatially homogeneous entangled, spin-squeezed states of atoms appropriate for maintaining a large amount of squeezing even after release into the arm of a matter-wave interferometer or other free space…

Atomic Physics · Physics 2016-12-07 Kevin C. Cox , Graham P. Greve , Baochen Wu , James K. Thompson

Localization of waves by disorder is a fundamental physical problem encompassing a diverse spectrum of theoretical, experimental and numerical studies in the context of metal-insulator transitions, the quantum Hall effect, light propagation…

Chaotic Dynamics · Physics 2015-12-07 Sergej Flach

Established techniques for characterizing a layer on a substrate system via surface acoustic wave (SAW) dispersion measurement are often slow due to the need for scanning excitation or detection positions. We present a method for…

This paper proposes a novel approach to map-based navigation system for unmanned aircraft. The proposed system attempts label-to-label matching, not image-to-image matching, between aerial images and a map database. The ground objects can…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Youngjoo Kim

We propose a scheme to realize lattice potentials of sub-wavelength spacing for ultracold atoms. It is based on spin-dependent optical lattices with a time-periodic modulation. We show that the atomic motion is well described by the…

Quantum Gases · Physics 2015-10-07 Sylvain Nascimbene , Nathan Goldman , Nigel R. Cooper , Jean Dalibard

Coherent manipulation of quantum states is of crucial importance in accurate control of a quantum system. A fundamental goal is coherently transferring the population of a desired state with near-unit fidelity. For this propose, we…

Atomic Physics · Physics 2018-12-05 Luyao Yan , Dandan Ma , Dongmin Yu , Jing Qian

When attempting to split coherent cold atom clouds or a Bose-Einstein condensate (BEC) by bifurcation of the trap into a double well, slow adiabatic following is unstable with respect to any slight asymmetry, and the wave "collapses" to the…

Quantum Physics · Physics 2015-02-26 E. Torrontegui , S. Martínez-Garaot , M. Modugno , Xi Chen , J. G. Muga

Steady-state and transient antiplane dynamic processes in a structured solids consisting of uniform periodic square-cell lattices connected by a lattice layer of different bond stiffnesses and point masses are analyzed. A semi-infinite…

Materials Science · Physics 2011-12-12 Grigory Osharovich , Mark Ayzenberg-Stepanenko

We predict the existence of spatially localized nontrivial topological states of the Bose-Einstein condensate with repulsive atomic interactions confined by an optical lattice. These nonlinear localized states, matter-wave gap vortices,…

Other Condensed Matter · Physics 2009-11-10 Elena A. Ostrovskaya , Yuri S. Kivshar

Mapping and self-localization in unknown environments are fundamental capabilities in many robotic applications. These tasks typically involve the identification of objects as unique features or landmarks, which requires the objects both to…

Computer Vision and Pattern Recognition · Computer Science 2017-04-21 Beipeng Mu , Shih-Yuan Liu , Liam Paull , John Leonard , Jonathan How
‹ Prev 1 4 5 6 7 8 10 Next ›