Results 141 to 150 of about 2,863,831 (279)

Cavity QED with many atoms [PDF]

, 2000
We have studied the interaction of an arbitrary number Z of atoms with a quantized damped resonator mode. In order to reduce the dimension of the system we employed a symmetrized density operator description.
Martini, U., Martini, Ullrich
core  

Fully Wireless and Flexible Valves for Multiplexed and Prolonged Intravesical Liquid Release

Advanced Healthcare Materials, Volume 15, Issue 23, 19 June 2026.
A fundamental mechanism for the simultaneous control of multiple magnetic valves is reported in a miniature soft robotic patch for intravesical drug delivery, enabling fully wireless and programmable liquid release. Integrated with a bioadhesive interface and induction‐coupling‐based liquid volume sensing, the soft robotic patch is promising to enable ...
Boyang Xiao, Yi Zhu, Yusheng Wang, Janene M. Pierce, Jeffrey J. Tosoian, Xiaoguang Dong   +5 more
wiley   +1 more source

Asymmetrical temporal dynamics of edge modes in Su-Schrieffer-Heeger lattice with Kerr nonlinearity

Physical Review Research
Optical bistability and oscillating phases exist in a Sagnac interferometer and a single ring resonator made of a χ^{(3)} nonlinear medium where the refractive indices are modulated by the light intensity due to the Kerr nonlinearity. An array of coupled
Ghada H. Alharbi, Stephan Wong, Yongkang Gong, Sang Soon Oh   +3 more
doaj   +1 more source

4D‐Printed Spin Crossover Metamaterials with Giant Programmable Positive or Negative Thermal Expansion

Advanced Materials, Volume 38, Issue 32, 8 June 2026.
Spin crossover composite filaments are implemented for the rational design of 4D‐printed mechanical metamaterials. The obtained bi‐material structures guided by a theoretical analysis based on analytical calculations and Finite Element Analysis simulations exhibit giant programmable positive or negative deformation with coefficients of thermal ...
Adelais Trapali, Yuteng Zhang, Seyed Ehsan Alavi, Nagham Mawassy, Raja Zulkarnain, Gábor Molnár, Lionel Salmon, Azzedine Bousseksou   +7 more
wiley   +1 more source

Topological Point Defects in SmC* Liquid Crystals Under Mechanical Disturbance

Advanced Materials Interfaces, Volume 13, Issue 11, 9 June 2026.
Tangetial air jet shear inducess island formation and nucleates topological point defects in uniform SmC films. Island bounded by edge dislocation loops shrink and transform into isolated point defects under continued shear. Mechanical perturbatio provides a controllable route for defect engineering in smectric liquid crystal thin films.
Gunganist Kongklad, Vandana Molahalli, Apichart Pattanaporkratana, Nattaporn Chattham   +3 more
wiley   +1 more source

Optical Bistability: Steady-State and Transient Behavior

, 1984
An optical system that can exist in either of two distinct stable transmission states for a given input intensity is said to exhibit optical bistability. For this to occur, the system’s transmission properties must depend on its output; that is, feedback
Rosenberger, A. T., Orozco, L. A., A. T. Rosenberger, Kimble, H. J., L. A. Orozco, H. J. Kimble   +5 more
core   +1 more source

Vision‐Augmented Wearable Interfaces: Bioinspired Approaches for Realistic AI‐Human‐Machine Interaction

Advanced Materials Technologies, Volume 11, Issue 12, 18 June 2026.
This review presents recent progress in vision‐augmented wearable interfaces that combine artificial vision, soft wearable sensors, and exoskeletal robots. Inspired by biological visual systems, these technologies enable multimodal perception and intelligent human–machine interaction.
Jihun Lee, Gwuidong Ryu, Kisoo Kim, Feng Xu, Won Gu Lee   +4 more
wiley   +1 more source

Effect of Tunable Dielectric Properties of the Core on Optical Bistability within Spherical Composite of Metal and Dielectric Nanoparticles

Jefore Ethiopian Journal of Applied Sciences
Article History: Received: 29 October 2024 Accepted: 27 December 2024 Published online: 06 February 2025 This paper explores how tunable dielectric properties in the core influence the enhancement factor of the local field, induced optical ...
Hawi Aboma, Shewa Getachew, Sisay Shewamare   +2 more
doaj   +1 more source

Optical bistability with interacting atoms

, 1985
The effect of interatomic interaction (dipole-dipole) on optical bistability has been analysed. It has been shown that for certain ranges of interaction the van der Waals loop diminishes or completely ...
Ray, Deb Shankar
core   +1 more source