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Large-scale force generation is essential for biological functions such as cell motility, embryonic development, and muscle contraction. In these processes, forces generated at the molecular level by motor proteins are transmitted by…

软凝聚态物质 · 物理学 2016-04-05 Pierre Ronceray , Chase Broedersz , Martin Lenz

Unidirectional wave propagation in nonreciprocal structures enables exciting opportunities to control and enhance wave-matter interactions in extreme ways. Within this context, here we investigate the possibility of using terminated…

The transversely confined propagating modes of an optical fiber mediate virtually infinite range energy exchanges among atoms placed within their field, which adds to the inherent free space dipole-dipole coupling. Typically, the single…

量子物理 · 物理学 2019-03-01 Laurin Ostermann , Clement Meignant , Claudiu Genes , Helmut Ritsch

Trojan Technologies uses mercury-based ultraviolet (UV) lamps in reactors to purify water. When there are multiple closely spaced lamps in a reactor, significant UV emitted by the various lamps can reach, and 'interact' with neighbouring…

应用物理 · 物理学 2021-10-14 Isabelle H. Cyr , Carol E. Jones , Jim Robinson

Dipole-dipole interactions are at the origin of long-lived collective atomic states, often called subradiant, which are explored for their potential use in novel photonic devices or in quantum protocols. Here, we study subradiance beyond…

We investigate the collective radiance characteristics of qubits in the ultrastrong coupling regime, where the radiance witness is defined based on the resonator-qubit dressed basis. The ultrastrong hyperradiance effect is demonstrated when…

量子物理 · 物理学 2019-03-13 Qian Bin , Xin-You Lü , Tai-Shuang Yin , Yong Li , Ying Wu

Although two-dimensional periodic structures have functioned as the primary platform for exploring topological phenomena, recent advances have substantially expanded this research boundary to include more intricate, aperiodic structures:…

介观与纳米尺度物理 · 物理学 2026-03-12 Sunkyu Yu , Xianji Piao , Namkyoo Park

The poor photostability and low brightness of protein autofluorescence have been major limitations preventing the detection of label-free proteins at the single molecule level. Overcoming these issues, we report here a strategy to promote…

化学物理 · 物理学 2020-02-25 Aleksandr Barulin , Jérôme Wenger

Based on the results of numerical modeling, it is shown that dipole-dipole interactions among atoms in the active medium influences strongly the character of the associated superradiation. The main effect is to make the nuclear subsystem…

强关联电子 · 物理学 2009-11-13 V. V. Berezovsky , L. I. Men'shikov , S. Oberg , C. D. Latham

Time-resolved coincidence imaging of photoelectrons and photoions represents the most complete experimental measurement of ultrafast excited state dynamics, a multi-dimensional measurement for a multi-dimensional problem. Here we present…

化学物理 · 物理学 2015-01-15 Paul Hockett , Enrico Ripani , Andrew Rytwinski , Albert Stolow

Superradiance and subradiance are collective effects that emerge from coherent interactions between quantum emitters. Due to their many-body nature, theoretical studies of extended samples with length larger than the atomic transition…

量子物理 · 物理学 2022-12-02 Oriol Rubies-Bigorda , Susanne F. Yelin

Quantum effects, prevalent in the microscopic scale, generally elusive in macroscopic systems due to dissipation and decoherence. Quantum phenomena in large systems emerge only when particles are strongly correlated as in superconductors…

量子物理 · 物理学 2018-02-20 Junki Kim , Daeho Yang , Seung-hoon Oh , Kyungwon An

Novel experimental techniques reveal the simultaneous activity of larger and larger numbers of neurons. As a result there is increasing interest in the structure of cooperative -- or correlated -- activity in neural populations, and in the…

神经元与认知 · 定量生物学 2015-05-30 James Trousdale , Yu Hu , Eric Shea-Brown , Krešimir Josić

In eukaryotic cells, mitochondria form networks that range from highly fused interconnected structures to fragmented populations of individual organelles that undergo transient interactions. These structures can be described as temporal…

生物物理 · 物理学 2026-02-24 Keaton B. Holt , Camryn Zurita , Lizzy Teryoshin , Samantha C. Lewis , Elena F. Koslover

A chain of atom-microcavity systems coupled by a common fiber is considered. We analyze the formation of supermodes and focus on the dependence of this effect on the chain geometry and the number of atom-cavity subsystems. We show that the…

量子物理 · 物理学 2011-08-24 Sandra Isabelle Schmid , Joerg Evers

Advances in light sources and time resolved spectroscopy have made it possible to excite specific atomic vibrations in solids and to observe the resulting changes in electronic properties but the mechanism by which phonon excitation causes…

超导电性 · 物理学 2017-05-05 Dante M. Kennes , Eli Y. Wilner , David R. Reichman , Andrew J. Millis

The multilayer network framework has served to describe and uncover a number of novel and unforeseen physical behaviors and regimes in interacting complex systems. However, the majority of existing studies are built on undirected multilayer…

物理与社会 · 物理学 2020-11-03 Xiangrong Wang , Alejandro Tejedor , Yi Wang , Yamir Moreno

In the work the process of the energy transfer in the cell microtubules is simulated. A system of tryptophans connected by Coulomb dipole-dipole interaction is discussed as the energy carriers. The work models the conditions under which the…

生物物理 · 物理学 2023-03-08 Sergey Ehduardovich Shirmovsky

Superradiance is the enhanced emission of photons from quantum emitters collectively coupling to the same optical mode. However, disorder in the resonant frequencies of the quantum emitters can perturb this effect. In this paper, we study…

量子物理 · 物理学 2022-06-20 Alexander D. White , Rahul Trivedi , Kalyan Narayanan , Jelena Vučković

Hyperuniform materials, characterized by their suppressed density fluctuations and vanishing structure factors as the wave number approaches zero, represent a unique state of matter that straddles the boundary between order and randomness.…

无序系统与神经网络 · 物理学 2024-08-20 Yiwen Tang , Xinzhi Li , Dapeng Bi