Results 31 to 40 of about 35,127 (280)
Propagating elastic vibrations dominate thermal conduction in amorphous silicon [PDF]
, 2017 Thermal atomic vibrations in amorphous solids can be distinguished by whether they propagate as elastic waves or do not propagate due to lack of atomic periodicity.
Latour, Benoit +2 more
core +3 more sources
Molecules, 2019 We show that combining vibrational spectroscopy with signal processing can result in a scheme for ultrasensitive detection of molecules. We consider the vibrational spectrum as a signal on the energy axis and apply a matched filter on that axis.
Yong Boon Tan +5 more
doaj +1 more source
Double-Well Potential : The WKB Approximation with Phase Loss and Anharmonicity Effect [PDF]
, 1998 We derive a general WKB energy splitting formula in a double-well potential by incorporating both phase loss and anharmonicity effect in the usual WKB approximation.
Chang Soo Park +10 more
core +2 more sources
IUCrJ, 2014 The harmonic model of atomic nuclear motions is usually enough for multipole modelling of high-resolution X-ray diffraction data; however, in some molecular crystals, such as 1-(2′-aminophenyl)-2-methyl-4-nitro-1H-imidazole [Paul, Kubicki, Jelsch et al. (
Agnieszka Poulain +7 more
doaj +1 more source
Anharmonic Effects on the Thermodynamic Properties of Quartz from First Principles Calculations
Entropy, 2021 The simple chemistry and structure of quartz together with its abundance in nature and its piezoelectric properties make convenient its employment for several applications, from engineering to Earth sciences.
Mara Murri, Mauro Prencipe
doaj +1 more source
Micro-Raman scattering of selenium-filled double-walled carbon nanotubes: Temperature study [PDF]
, 2009 Selenium-filled double-walled carbon nanotubes Se@DWNT have been studied by high resolution transmission electron microscopy HRTEM and micro-Raman spectroscopy in the temperature interval from 80 to 600 K employing 785 nm excitation wavelength.
Datas, Lucien +2 more
core +2 more sources
Stepwise quantum decay of self-localized solitons
, 1997 The two-phonon decay of self-localized soliton in a one-dimensional monatomic anharmonic lattice caused by cubic anharmonicity is considered. It is shown that the decay takes place with emission of phonon bursts.
A. A. Maradudin +21 more
core +1 more source
CHIMIA, 2021 Understanding light-induced processes in biological and human-made molecular systems is one of the main goals of physical chemistry. It has been known for years that the photoinduced dynamics of atomic nuclei can be studied by looking at the vibrational ...
Tomislav Begušić, Jirí Vaníček
doaj +1 more source
Multiphoton absorption and anharmonicity [PDF]
Physical Review A, 1996 Abstract: The multiphoton absorption mechanism of anharmonic molecular bonds in laser fields of high intensity is investigated. The time dependence of the absorbed energy as a function of field frequency is studied for a number of cases of varying anharmonicity and field strength.
Van Leuven P, PERSICO, MAURIZIO
openaire +4 more sources
Superfluid-Mott-insulator transition in superconducting circuits with weak anharmonicity
, 2017 We investigate theoretically the ground-state property of a two-dimensional array of superconducting circuits including the on-site superconducting qubits (SQs) with weak anharmonicity. In particular, we analyse the influence of this anharmonicity on the
Li, Ke-Min +3 more
core +1 more source