Results 71 to 80 of about 20,560 (308)
Submolecular‐Resolution Probing of Vibrational Anharmonicity Using Tip‐Enhanced Raman Spectroscopy
Angewandte Chemie, EarlyView.This work explores how tip‐enhanced Raman spectroscopy achieves submolecular resolution in detecting vibrational overtones and combination bands. This breakthrough reveals site‐specific anharmonicities and energy transfer pathways within single molecules, advancing chemical analysis with unprecedented spatial and spectral detail.
Youngwook Park +3 more
wiley +2 more sources
Harmonic Oscillator SUSY Partners and Evolution Loops
Symmetry, Integrability and Geometry: Methods and Applications, 2012 Supersymmetric quantum mechanics is a powerful tool for generating exactly solvable potentials departing from a given initial one. If applied to the harmonic oscillator, a family of Hamiltonians ruled by polynomial Heisenberg algebras is obtained.
David J. Fernández
doaj +1 more source
A Perspective on Interactive Theorem Provers in Physics
Advanced Science, EarlyView.Into an interactive theorem provers (ITPs), one can write mathematical definitions, theorems and proofs, and the correctness of those results is automatically checked. This perspective goes over the best usage of ITPs within physics and motivates the open‐source community run project PhysLean, the aim of which is to be a library for digitalized physics
Joseph Tooby‐Smith
wiley +1 more source
N‐Doped Nonalternant Molecular Bowl/Saddle Hybrids
Angewandte Chemie, EarlyView.N‐Doped molecular bowl/saddle hybrids were developed via core‐expansion synthetic strategy. Owing to the structural features containing both positive and negative curvatures, these molecules exhibit unique molecular dynamics, photophysical properties and multiple guest bindings. Abstract Herein, we report the straightforward synthesis and properties of
Shuhai Qiu +10 more
wiley +2 more sources
Spectral curve fitting of dielectric constants
AIP Advances, 2017 Optical constants are important properties governing the response of a material to incident light. It follows that they are often extracted from spectra measured by absorbance, transmittance or reflectance.
M. Ruzi, C. Ennis, E. G. Robertson
doaj +1 more source
Multiferroicity in Calcium Manganate via Strain Engineering
Advanced Electronic Materials, EarlyView.Multiferroicity is achieved in the non‐ferroelectric magnet calcium manganate through tensile‐strain engineering. The ferroelectricity below 45 K is evidenced by the polarization‐electric field hysteresis loops, and the magnetization below 125 K is confirmed by the magnetization measurements.
Ye Yuan +10 more
wiley +1 more source
Advanced Electronic Materials, EarlyView.A diagnostic method for reconfigurable intelligent surfaces (RIS) based on non‐uniform space‐time‐coding modulation is presented. Fault localization is achieved via amplitude‐only spectral measurements, eliminating the need for complex signal processing. A one‐to‐one mapping between harmonic components and RIS elements enables accurate detection.
Xiao Qing Chen +8 more
wiley +1 more source
−symmetric harmonic oscillators [PDF]
Physics Letters A, 1999 9 pages, submitted to Phys.
openaire +3 more sources
The Energy-Levels and Transition Probabilities for a Bounded Linear Harmonic Oscillator [PDF]
, 1955 J. S. Baijal, K. K. Singh
openalex +1 more source
Impact of Trap Depth on the Steady‐State and Transient Photoluminescence in Halide Perovskite Films
Advanced Energy Materials, EarlyView.The presence of shallow traps in halide perovskites is frequently postulated by density functional theory calculations. This review studies the implications of recombination‐active shallow traps on steady‐state and transient recombination kinetics. How to identify shallow traps and how the depth of the traps and their density are reflected in different
Jürgen Hüpkes +2 more
wiley +1 more source