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We study the dynamics of non interacting thermal atoms embedded in structured optical lattices with non trivial geometry. The lattice would be generated by two counter propagating modes with parabolic cylindrical symmetry and we concentrate…

量子物理 · 物理学 2011-01-24 R. Pérez-Pascual , B. M. Rodríguez-Lara , R. Jáuregui

Topology is revolutionizing photonics, bringing with it new theoretical discoveries and a wealth of potential applications. This field was inspired by the discovery of topological insulators, in which interfacial electrons transport without…

光学 · 物理学 2014-11-04 Ling Lu , John D. Joannopoulos , Marin Soljačić

Electromagnetically induced transparency in an optically thick, cold medium creates a unique system where pulse-propagation velocities may be orders of magnitude less than $c$ and optical nonlinearities become exceedingly large. As a…

量子物理 · 物理学 2009-11-10 Danielle A. Braje , Vlatko Balic , G. Y. Yin , S. E. Harris

The integration of topology into photonics has generated a new design framework for constructing robust and unidirectional waveguides, which are not feasible with traditional photonic devices. Here, we overcome current barriers to the…

Optical micro-manipulation techniques has evolved into powerful tools to efficiently steer the motion of microscopical particles on periodic and quasi-periodic potentials, driven by the external electromagnetic field. Here, the dynamics of…

原子物理 · 物理学 2018-11-13 Aliezer Martínez-Mesa , Llinersy Uranga Piña

This article reviews recent theoretical and experimental advances in the fundamental understanding and active control of quantum fluids of light in nonlinear optical systems. In presence of effective photon-photon interactions induced by…

量子气体 · 物理学 2013-02-25 Iacopo Carusotto , Cristiano Ciuti

Using information theory we derive a thermodynamics for systems evolving under a collective motion, i.e. under a time-odd constraint. An illustration within the Lattice gas Model is given for two model cases: a collision between two complex…

核理论 · 物理学 2015-06-26 F. Gulminelli , PH. Chomaz

Human-created engines and evolutionarily optimized molecular motors exhibit sophisticated design in order to harvest chemical or thermal energy for generating unidirectional motion. The complexity of these motors makes their random…

统计力学 · 物理学 2017-05-10 Alexander Feigel , Asaf Rozen

It has recently been shown theoretically that the time-dependent heat conduction equation is form-invariant under curvilinear coordinate transformations. Thus, in analogy to transformation optics, fictitious transformed space can be mapped…

材料科学 · 物理学 2013-05-14 Robert Schittny , Muamer Kadic , Sebastien Guenneau , Martin Wegener

We propose a scheme to obtain stable nonlinear optical pulses and realize their storage and retrieval in an ultracold ladder-type three-level atomic gas via electromagnetically induced transparency. Based on Maxwell-Bloch equations we…

光学 · 物理学 2014-05-23 Yang Chen , Zhengyang Bai , Guoxiang Huang

Infrared dressing of bosonic or fermionic heavy particles by a cloud of massless particles to which they couple is studied as a possible production mechanism of ultra light dark matter or dark radiation in a radiation dominated cosmology.…

广义相对论与量子宇宙学 · 物理学 2022-01-04 Daniel Boyanovsky , Mudit Rai , Lisong Chen

An attempt toward the operational formulation of quantum thermodynamics is made by employing the recently proposed operations forming positive operator-valued measures for generating thermodynamic processes. The quantity of heat as well as…

统计力学 · 物理学 2015-06-04 Sumiyoshi Abe , Yuki Aoyaghi

We consider the evolution of interfaces in binary mixtures permeating strongly heterogeneous systems such as porous media. To this end, we first review available thermodynamic formulations for binary mixtures based on \emph{general…

计算物理 · 物理学 2018-04-26 M. Schmuck , G. A. Pavliotis , S. Kalliadasis

Accurately describing work extraction from a quantum system is a central objective for the extension of thermodynamics to individual quantum systems. The concepts of work and heat are surprisingly subtle when generalizations are made to…

量子物理 · 物理学 2015-03-30 Felix C. Binder , Sai Vinjanampathy , Kavan Modi , John Goold

Quantum optics and ultracold gases are established fields, but they almost do not overlap: the quantum nature of light is typically neglected in works on ultracold atoms. In our work the quantumness of both light and ultracold matter plays…

量子物理 · 物理学 2022-04-12 Igor B. Mekhov

A universal theory of chaos is presented which postulates the self-organized ordered growth of self-similar, scale invariant, eddy energy structures by space-time integration of inherent microscale energy generation mechanisms in the medium…

chao-dyn · 物理学 2007-05-23 Mary Selvam Amujuri

The usual formulation of thermodynamics is based on the additivity of macroscopic systems. However, there are numerous examples of macroscopic systems that are not additive, due to the long-range character of the interaction among the…

统计力学 · 物理学 2022-06-22 Ivan Latella , Agustín Pérez-Madrid , Alessandro Campa , Lapo Casetti , Stefano Ruffo

We show that non-linear optical structures involving a balanced gain-loss profile, can act as unidirectional optical valves. This is made possible by exploiting the interplay between the fundamental symmetries of parity (P) and time (T),…

Nonlinear heat transfer can be exploited to reveal novel transport phenomena and thus enhance peo-ple's ability to manipulate heat flux at will. However, there hasn't been a mature discipline called nonlinear thermotics like its counterpart…

应用物理 · 物理学 2022-10-04 Gaole Dai

When light propagates through a complex medium, such as a multimode optical fibre (MMF), the spatial information it carries is scrambled. In this work we experimentally demonstrate an all-optical strategy to unscramble this light again. We…

光学 · 物理学 2023-07-19 Hlib Kupianskyi , Simon A. R. Horsley , David B. Phillips
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