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Trapped-ion optical clocks are capable of achieving systematic fractional frequency uncertainties of $10^{-18}$ and possibly below. However, the stability of current ion clocks is fundamentally limited by the weak signal of single-ion…

We numerically examine the self-dual solutions of self-intersecting strings immersed in four dimensions. We find that open torus knots have topologies that can support monopole/anti-monopole as well as q-qbar production and annihilation. We…

High Energy Physics - Theory · Physics 2009-10-31 Bob Bacus , V. G. J. Rodgers

We study the strict stability of calibrated cones with an isolated singularity. For special Lagrangian cones and coassociative cones, we prove the strict stability. In the complex case, we give non-strictly stable examples.

Differential Geometry · Mathematics 2025-03-25 Bryan Dimler , Jooho Lee

We propose a novel approach to manipulate two-dimensional bright matter-wave solitons by tuning the frequency of the trap which is different from Feshbach resonance technique. The exact bright soliton solutions for two-dimensional…

Quantum Gases · Physics 2011-08-12 V. Ramesh Kumar , Lin Wen , R. Radha , W. M. Liu

We demonstrate, both experimentally and theoretically, a new phenomenon: the presence of dissipative coupling in the system of driven bosons. This is evidenced for a particular case of externally excited spots of exciton-polariton…

Other Condensed Matter · Physics 2017-09-25 H. Ohadi , R. L. Gregory , T. Freegarde , Y. G. Rubo , A. V. Kavokin , P. G. Lagoudakis

This study presents an efficient, accurate, effective and unconditionally stable time stepping scheme for the Darcy-Brinkman equations in double-diffusive convection. The stabilization within the proposed method uses the idea of stabilizing…

Numerical Analysis · Mathematics 2018-04-10 Aytekin Çıbık , Medine Demir , Songul Kaya

We consider both theoretically and experimentally self-organization process of quasi-equilibrium steady-state condensation of sputtered substance in accumulative ion-plasma devices. The self-organization effect is shown to be caused by…

Statistical Mechanics · Physics 2015-05-14 V. I. Perekrestov , A. I. Olemskoi , Yu. A. Kosminska , A. A. Mokrenko

We demonstrate coherent control of cyclotron resonance (CR) in a two-dimensional electron gas (2DEG). We use a sequence of terahertz pulses to control the amplitude of CR oscillations in an arbitrary fashion via phase-dependent coherent…

Mesoscale and Nanoscale Physics · Physics 2011-12-21 T. Arikawa , X. Wang , D. J. Hilton , J. L. Reno , W. Pan , J. Kono

We study dipolar excitons confined at 330 mK in a square electrostatic lattice of a GaAs double quantum well. In the dipolar occupation blockade regime, at 3/2 filling, we evidence that excitons form a face-centred superlattice quantum…

Quantum Gases · Physics 2024-02-26 Camille Lagoin , Kirk Baldwin , Loren Pfeiffer , Francois Dubin

A theory of self-excitation in the metal-insulator-metal structure doped with metal nanowires is developed for the case where the power is provided by an external source of radio waves. Both the transient stage of self-excitation and the…

Mesoscale and Nanoscale Physics · Physics 2022-09-14 V. G. Bordo

This is a reply to the comment from Patrick Bruno (arXiv:1211.4792) on our paper (Phys. Rev. Lett. 109, 163001 (2012)).

Quantum Physics · Physics 2013-06-21 Tongcang Li , Zhe-Xuan Gong , Zhang-Qi Yin , H. T. Quan , Xiaobo Yin , Peng Zhang , L. -M. Duan , Xiang Zhang

While the constant radial acceleration problem is known to be integrable and has received some recent attention in an orbital mechanics context, a closed form explicit solution, relating the state variables to a time parameter, has eluded…

Mathematical Physics · Physics 2015-10-27 Dario Izzo , Francesco Biscani

Spontaneous symmetry breaking is a fundamental concept in many areas of physics, ranging from cosmology and particle physics to condensed matter. A prime example is the breaking of spatial translation symmetry, which underlies the formation…

We investigate the existence and stability properties of the chirped gray and anti-dark solitary waves within the framework of coupled cubic nonlinear Helmholtz equation in the presence of self steepening and self frequency shift. We show…

Pattern Formation and Solitons · Physics 2021-11-24 Naresh Saha , Barnana Roy , Avinash Khare

Dark excitons are of fundamental importance in a broad range of contexts, but are difficult to study using conventional optical spectroscopy due to their weak interaction with light. We show how coherent multidimensional spectroscopy can…

Optics · Physics 2016-08-31 Jonathan O. Tollerud , Steven T. Cundiff , Jeffrey A. Davis

This paper presents theory for the Lagrange co-rotational (CR) formulation of finite elements in the geometrically nonlinear analysis of 3D structures. In this paper strains are assumed to be small while the magnitude of rotations from the…

Numerical Analysis · Mathematics 2013-04-29 Łukasz Kaczmarczyk , Tomasz Koziara , Chris J. Pearce

The optical spectra of two dimensional (2D) materials exhibit sharp absorption peaks that are commonly identified with exciton and trions (or charged excitons). In this paper, we show that excitons and trions in doped 2D materials can be…

Mesoscale and Nanoscale Physics · Physics 2020-09-02 Farhan Rana , Okan Koksal , Christina Manolatou

The paper is devoted to analysis of different models that describe waves in fluid-filled and gas-filled elastic tubes and development of methods of calculation and numerical analysis of solutions with solitary waves and kinks for these…

Computational Engineering, Finance, and Science · Computer Science 2013-04-23 I. B. Bakholdin

We estimate the time reversal violations for neutrino oscillations in matter for typical experimental energies and baselines. We examine the present status of experiments on neutrino oscillations, propose experiments for TRV, and discuss…

High Energy Physics - Phenomenology · Physics 2015-05-27 Ernest M. Henley , Mikkel B. Johnson , Leonard S. Kisslinger

Exciton-polaritons can condense to a macroscopic quantum state through a non-equilibrium process of pumping and decay. In recent experiments, polariton condensates are used to observe, for a short time, nonlinear Josephson phenomena by…

Quantum Physics · Physics 2015-01-22 Jiun-Yi Lien , Yueh-Nan Chen , Natsuko Ishida , Hong-Bin Chen , Chi-Chuan Hwang , Franco Nori
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