Results 61 to 70 of about 24,022 (280)
Pair Partitioning in time reversal acoustics [PDF]
, 2007 Time reversal of acoustic waves can be achieved efficiently by the persistent control of excitations in a finite region of the system. The procedure, called Time Reversal Mirror, is stable against the inhomogeneities of the medium and it has numerous ...
Calvo, Hernán L., Pastawski, Horacio M.
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, 2019 Phonons at gigahertz frequencies interact with electrons, photons, and atomic systems in solids, and therefore have extensive applications in signal processing, sensing, and quantum technologies.
Gadalla, M. N. +12 more
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Waveguide Photoactuators: Materials, Fabrication, and Applications
Advanced Robotics Research, EarlyView.Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi +4 more
wiley +1 more source
New Journal of Physics, 2019 The development of the quantum Hall effect in condensed matter physics that breaks time-reversal symmetry by magnetic biasing has inspired its analog in classical nonreciprocal acoustics.
Xingxing Liu +3 more
doaj +1 more source
Pumping Current in a Quantum Dot by an Oscillating Magnetic Field
, 2007 We investigate spin and charge current through a quantum dot pumped by a time-varying magnetic field. Using the density matrix method, quantum rate equations for the electronic occupation numbers in the quantum dot are obtained and solved in the ...
BAOWEN LI +3 more
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Advanced Robotics Research, EarlyView.Functional surfaces are investigated as a foundation for reconfigurable microscale systems with sensing and actuation capabilities. Advances in additive manufacturing enable our development of planar arrays of hybrid‐material, compliant microdevices that convert environmental stimuli into programmed motion and visual responses.
Sandra Edward +5 more
wiley +1 more source
Reciprocity in reflection and transmission: what is a "phonon diode"?
, 2012 The newly popular topic of "phonon diodes" is discussed in the context of a broader issue of reciprocity in reflection/transmission (R-T) of waves. We first review a theorem well known in electromagnetism and optics but underappreciated in acoustics and ...
Every, A. G. +2 more
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Advanced Science, EarlyView.Mid‐infrared optoacoustic microscopy (MiROM) acquires lipid‐ and protein‐ associated vibrational contrast in intact fat tissue without dyes, preserving native tissue architecture. Through lateral and axial segmentation, MiROM tracks intrinsic intracellular changes during postnatal remodeling. A quantitative spatial analysis tool (Q‐SAT) maps white‐ and
Myeongseop Kim +7 more
wiley +1 more source
35-th Winter School on Wave and Quantum Acoustics
Archives of Acoustics, 2014 Ustroń, 27-th February - 3-rd March 2006 I have a great pleasure to give the "Archives of Acoustics" Readers possibility acquaint with topics presented at 35-th Winter School on Wave and Quantum Acoustics.
Roman BUKOWSKI
doaj
Zone folding induced topological insulators in phononic crystals
, 2017 This letter investigates a flow-free, pseudospin-based acoustic topological insulator. Zone folding, a strategy originated from photonic crystal, is used to form double Dirac cones in phononic crystal.
Deng, Yuanchen +4 more
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