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19 papers · 1 filter
Superconducting fluctuation corrections to ultrasound attenuation in layered superconductors
M. S. Mar'enko, C. Bourbonnais, A. -M. S. Tremblay
We consider the temperature dependence of the sound attenuation and sound velocity in layered impure metals due to superconducting fluctuations of the order parameter above the cri…
Cosmic microwave background snapshots: pre-WMAP and post-WMAP
J. R. Bond, C. R. Contaldi, D. Pogosyan
Abbreviated: We highlight the remarkable evolution in the CMB power spectrum over the past few years, and in the cosmological parameters for minimal inflation models derived from i…
Crossovers in spin-boson and central spin models
P. C. E. Stamp, I. S. Tupitsyn
We discuss how the crossovers in models like spin-boson model are changed by adding the coupling of the central spin to localised modes- the latter modelled as a 'spin bath'. These…
Large-scale non-locality in "doubly special relativity" with an energy-dependent speed of light
R. Schützhold, W. G. Unruh
There are two major alternatives for violating the (usual) Lorentz invariance at large (Planckian) energies or momenta - either not all inertial frames (in the Planck regime) are e…
Thermodynamic Properties of the Dipolar Spin Ice Model
Roger G. Melko, Matthew Enjalran, Byron C. den Hertog +1
We present a detailed theoretical overview of the thermodynamic properties of the dipolar spin ice model, which has been shown to be an excellent quantitative descriptor of the Isi…
Hot Spots and Pseudogaps for Hole- and Electron-Doped High-Temperature Superconductors
David Senechal, A. -M. S. Tremblay
Using cluster perturbation theory, it is shown that the spectral weight and pseudogap observed at the Fermi energy in recent Angle Resolved Photoemission Spectroscopy (ARPES) of bo…