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Related papers: Phase Vortex Lattices in Neutron Interferometry

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We report the formation of a ring-shaped array of vortices after injection of angular momentum in a polariton superfluid. The angular momentum is injected by a $\ell= 8$ Laguerre-Gauss beam, whereas the global rotation of the fluid is…

Other Condensed Matter · Physics 2020-01-30 T. Boulier , H. Terças , D. D. Solnyshkov , Q. Glorieux , E. Giacobino , G. Malpuech , A. Bramati

Optical beams carrying orbital angular momentum (OAM) can find tremendous applications in several fields. In order to apply these particular beams in photonic integrated devices innovative optical elements have been proposed. Here we are…

We present studies of the magnetic field distribution around the vortices in LuNi2B2C. Small-angle neutron scattering measurements of the vortex lattice (VL) in this material were extended to unprecedentedly large values of the scattering…

Surface plasmon polaritons carrying orbital angular momentum are of great fundamental and applied interest. However, common approaches for their generation are restricted to having a weak dependence on the properties of the…

Vortex $\gamma$ photons, which carry large intrinsic orbital angular momenta (OAM), have significant applications in nuclear, atomic, hadron, particle and astro-physics, but their production remains unclear. In this work, we investigate the…

High Energy Physics - Phenomenology · Physics 2023-10-26 Ren-Tong Guo , Mamutjan Ababekri , Qian Zhao , Yousef I. Salamin , Liang-Liang Ji , Zhi-Gang Bu , Zhong-Feng Xu , Xiu-Feng Weng , Jian-Xing Li

It is shown that an electron-neutrino beam, propagating in a background plasma, can be decomposed into orbital momentum (OAM) states, similar to the OAM photon states. Coupling between different OAM neutrino states, in the presence of a…

Plasma Physics · Physics 2009-01-14 J. T. Mendonça , B. Thidé

We demonstrate an atomic interferometer based on ultra-cold atoms released from an optical lattice. This technique yields a large improvement in signal to noise over a related interferometer previously demonstrated. The interferometer…

Atomic Physics · Physics 2015-05-13 Mikkel F. Andersen , Tycho Sleator

The crust of a neutron star is thought to be comprised of a lattice of nuclei immersed in a sea of free electrons and neutrons. As the neutrons are superfluid their angular momentum is carried by an array of quantized vortices. These…

Solar and Stellar Astrophysics · Physics 2015-11-10 Stefano Seveso , Pierre M. Pizzochero , Fabrizio Grill , Brynmor Haskell

Neutrons have emerged as a unique probe at the forefront of modern material science, unrivaled in their penetrating abilities. A major challenge stems from the fact that neutron optical devices are limited to refractive indices on the order…

Applied Physics · Physics 2021-12-28 C. Kapahi , D. Sarenac , M. Bleuel , D. G. Cory , B. Heacock , M. Henderson , M. G. Huber , I. Taminiau , D. A. Pushin

We present an experimental method based on a modified multiple beam interference approach to generate an optical vortex array arranged in a spatially varying lattice. This method involves two steps which are: numerical synthesis of a…

Optics · Physics 2015-12-17 Amit Kapoor , Manish Kumar , P. Senthilkumaran , Joby Joseph

The hard X-ray twisted photons and relativistic massive particles with orbital angular momentum -- vortex electrons, muons, protons, etc. -- have many potential applications in high-energy and nuclear physics. However, such states can be…

High Energy Physics - Phenomenology · Physics 2022-11-11 D. V. Karlovets , S. S. Baturin , G. Geloni , G. K. Sizykh , V. G. Serbo

It was recently proposed to use the stray magnetic fields of superconducting vortex lattices to trap ultracold atoms for building quantum emulators. This calls for new methods for engineering and manipulating of the vortex states. One of…

Superconductivity · Physics 2016-12-21 Qingyou Meng , Christopher N. Varney , Hans Fangohr , Egor Babaev

Standing waves generated by the interference of Laguerre-Gaussian (LG) beams can be used for dipole trap. We propose a scheme to create a nanometer (nm) scale ring lattice based on the interference of two high order LG beams without…

Atomic Physics · Physics 2019-01-11 Zheng Li , Xiang Gao , Lushuai Cao

Light-pulse atom interferometers rely on the wave nature of matter and its manipulation with coherent laser pulses. They are used for precise gravimetry and inertial sensing as well as for accurate measurements of fundamental constants.…

Quantum Physics · Physics 2015-12-02 Stephan Kleinert , Endre Kajari , Albert Roura , Wolfgang P. Schleich

We introduce a matter wave interference scheme based on the quantization of orbital angular momentum in a ring trap. It operates without beam splitters, is sensitive to geometric phases induced by external gauge fields, and allows measuring…

Quantum Physics · Physics 2021-04-01 Filip Kiałka , Benjamin A. Stickler , Klaus Hornberger

The vortex matter in bulk type-II superconductors serves as a prototype system for studying the random pinning problem in condensed matter physics. Since the vortex lattice is embedded in an atomic lattice, small angle neutron scattering…

Materials Science · Physics 2011-03-29 Xi Wang , Helen A. Hanson , Xinsheng Sean Ling , Charles F. Majkrzak , Brian B. Maranville

Arrays of Ni nanodots embedded in Nb superconducting films have been fabricated by sputtering and electron beam lithography techniques. The arrays are periodic triangular lattices of circular Ni dots arranged in a kagom\'e-like pattern with…

Superconductivity · Physics 2010-11-09 D. Perez de Lara , A. Alija , E. M. Gonzalez , M. Velez , J. I. Martin , J. L. Vicent

Static and dynamic properties of low density outer envelopes of neutron stars are calculated within the nonlinear magnetic Thomas-Fermi model, assuming degenerate electrons. A novel domain decomposition enables proper description of lattice…

Solar and Stellar Astrophysics · Physics 2015-02-25 Tyler A. Engstrom , Vincent H. Crespi , Benjamin J. Owen , James Brannick , Xiaozhe Hu

Atomic interferometry in optical lattices is a new trend of developing practical quantum gravimeter. Here, we propose a compact and portable gravimetry scheme with an ensemble of ultracold atoms in gravitationally tilted spin-dependent…

Quantum Physics · Physics 2018-11-28 Yongguan Ke , Jiahao Huang , Min Zhuang , Bo Lu , Chaohong Lee

We propose new multi-dimensional atom optics that can create coherent superpositions of atomic wavepackets along three spatial directions. These tools can be used to generate light-pulse atom interferometers that are simultaneously…