WebSplitting of the Phonon Spectrum inaH~4He Solutions 73 density fluctuation operator. The other dynamic structure functions S3'*(k, co) and S33(k, co) can be given by relations analogous to (1) with p~ suitably defined, s If we include the phonon-quasiparticle coupling in the 3He-4He system, then there can be transitions between 4He states and ... WebJan 23, 2012 · Background/Objective Metastatic adenocarcinoma from an unknown primary site is a common clinical problem. Determining the cytokeratin (CK) 7/CK20 pattern of …
Goldstone-Mode Phonon Dynamics in the Pyrochlore Cd2Re2O7 …
WebJul 19, 2002 · Abstract We report on the results of optical studies of the superconductor Cd2Re2O7 in the normal state. We show that the compound has an exotic metallic state at low temperature. The optical conductivity spectrum exhibits two distinct features: a sharp renormalized resonance mode at zero frequency and a broad midinfrared excitation band. WebApr 21, 2024 · The Fermi surface is split into two nondegenerate surfaces of opposite spin texture (arrows), with the largest splitting at the equator and zero splitting at the poles. … tronox west coast
Pyrochlore Oxide Superconductor Cd2Re2O7 Revisited
WebCharacteristic splitting and the appearance of sharp phonon modes in the temperature-dependent Raman spectra prove a structural phase below ∼80 K, induced by a soft … WebJan 24, 2024 · We have used a combination of ultrafast coherent phonon spectroscopy, ultrafast thermometry, and time-dependent Landau theory to study the inversion … WebDec 26, 2024 · The superconducting pyrochlore oxide Cd 2 Re 2 O 7 is revisited with a particular emphasis on the sample-quality issue. The compound has drawn attention as … tronpad chart