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Chiral processes that lack mirror symmetry pervade nature from enantioselective molecular interactions to the asymmetric development of organisms. An outstanding challenge at the interface between physics and biology consists in bridging…

Moir\'e systems provide a highly tunable platform for engineering band structures and exotic correlated phases. Here, we theoretically study a model for a single layer of graphene subject to a smooth moir\'e electrostatic potential, induced…

强关联电子 · 物理学 2023-06-30 Jeyong Park , Lasse Gresista , Simon Trebst , Achim Rosch , Jinhong Park

We introduce a quasi-phase-matched technique in quadratic nonlinear crystals, constructing an artificial gauge field by changing the inclination angle of stripes, which is realized by the positive and negative polarization directions of…

We propose a bulk topological invariant for one-dimensional Floquet systems with chiral symmetry which quantifies the particle transport on each sublattice during the evolution. This chiral flow is physically motivated, locally computable,…

强关联电子 · 物理学 2018-10-17 Xu Liu , Fenner Harper , Rahul Roy

Many of the biological phenomena involve collective dynamics driven by self-propelled motion and nonequilibrium force (i.e., activity) that result in features unexpected from equilibrium physics. On the other hand, biological experiments…

软凝聚态物质 · 物理学 2020-09-08 Lisa Yamauchi , Tomoya Hayata , Masahito Uwamichi , Tomoki Ozawa , Kyogo Kawaguchi

The $(1+1)$-dimensional chiral anomaly is a paradigmatic exact result in quantum field theory, traditionally formulated for zero-temperature pure states where it arises from spectral flow induced by external gauge fields and captures…

强关联电子 · 物理学 2026-04-29 Ze-Min Huang , Sebastian Diehl

Chiral four-wave-mixing signals are calculated using the irreducible tensor formalism. Different polarization and crossing angle configurations allow to single out the magnetic dipole and the electric quadrupole interactions. Other…

化学物理 · 物理学 2020-07-30 Jérémy R. Rouxel , Ahmadreza Rajabi , Shaul Mukamel

The concept of chirality makes ubiquitous appearance in nature. Particularly, both a structure and its collective excitations may acquire well defined chiralities. In this work, we reveal an intrinsic connection between the chiralities of a…

材料科学 · 物理学 2024-05-21 Hao Chen , Weikang Wu , Jiaojiao Zhu , Weikang Gong , Weibo Gao , Shengyuan A. Yang , Lifa Zhang

By considering energy flow, we construct the one-dimensional (1d) model consisting of the quasiparticles caused by asymmetric hopping (in carrier position space) or the complex bosonic potential whose varying gradience with a chiral…

统计力学 · 物理学 2023-07-05 Chen-Huan Wu

We present a simple quantum theory of a bosonic trimer in a triangular configuration, subject to gain and loss in an open quantum systems approach. Importantly, the coupling constants between each oscillator are augmented by complex…

介观与纳米尺度物理 · 物理学 2021-01-15 Charles A. Downing , David Zueco , Luis Martín-Moreno

Efficiently solving unbalanced three-phase power flow in distribution grids is pivotal for grid analysis and simulation. There is a pressing need for scalable algorithms capable of handling large-scale unbalanced power grids that can…

系统与控制 · 电气工程与系统科学 2024-09-09 Salah Ghamizi , Jun Cao , Aoxiang Ma , Pedro Rodriguez

Chirality manifests across multiple scales, yielding unique phenomena that break mirror symmetry. In chiral materials, unexpectedly large spin-filtering or photogalvanic effects have been observed even in materials composed of light…

We theoretically investigate the flow of the atomic excitations in a driven chiral-coupled atomic chain with nonreciprocal decay channels. This one-dimensional system allows infinite-range dipole-dipole interaction, and enables directional…

量子物理 · 物理学 2019-03-06 H. H. Jen

We study the emergence of synchronisation in a chiral network of harmonic oscillators. The network consists of a set of locally incoherently pumped harmonic oscillators coupled pairwise in cascade with travelling field modes. Such cascaded…

The tendency for flows in microfluidic systems to behave linearly poses a challenge for designing integrated flow control schemes to carry out complex fluid processing tasks. This hindrance has led to the use of numerous external control…

流体动力学 · 物理学 2020-06-18 Daniel J. Case , Jean-Regis Angilella , Adilson E. Motter

A general formalism to construct and improve supercurrents and source or anomaly superfields in two-derivative N=1 supersymmetric theories is presented. It includes arbitrary gauge and chiral superfields and a linear superfield coupled to…

高能物理 - 理论 · 物理学 2017-01-11 Jean-Pierre Derendinger

I present the recent developments in a specific sub-field of chiral gauge theories on the lattice. This sub-field pertains to the use of infinitely many fermi fields to describe a single chiral field. In this approach, both anomalous and…

高能物理 - 格点 · 物理学 2009-10-22 Rajamani Narayanan

Chirality, a fundamental concept from biological molecules to advanced materials, is prevalent in nature. Yet, its intricate behavior in specific topological systems remains poorly understood. Here, we investigate the emergence of hidden…

介观与纳米尺度物理 · 物理学 2023-11-17 Seung-Gyo Jeong , Sang-Hoon Han , Tae-Hwan Kim , Sangmo Cheon

Recent experiments on monolayers of spindle-like cells plated on adhesive stripe-shaped domains have provided a convincing demonstration that certain types of collective phenomena in epithelia are well described by active nematic…

软凝聚态物质 · 物理学 2020-01-22 Ludwig A. Hoffmann , Koen Schakenraad , Roeland M. H. Merks , Luca Giomi

Chiral edge states are highly sought-after as paradigmatic topological states relevant to both quantum information processing and dissipationless electron transport. Using superconducting transmon-based quantum computers, we demonstrate…

强关联电子 · 物理学 2022-09-30 Jin Ming Koh , Tommy Tai , Ching Hua Lee
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