Results 41 to 50 of about 713,508 (245)

Properties of a Luttinger Liquid with Boundaries at Finite Temperature and Size

, 1997
We use bosonization methods to calculate the exact finite-temperature single-electron Green's function of a spinful Luttinger liquid confined by open boundaries. The corresponding local spectral density is constructed and analyzed in detail.
A. Kamenev, A. Luther, A. Yacoby, Ann E. Mattsson, B. Dardel, C. L. Kane, D. Jerome, D. Loss, E. H. Lieb, E. Wong, F. D. M. Haldane, F. Mila, F. P. Milliken, G. Kirczenow, H. J. Schulz, H. W. Diehl, Henrik Johannesson, I. S. Gradshteyn, J. M. Kosterlitz, J. M. Luttinger, J. Sólyom, J. Voit, J. Voit, J. Voit, K. Moon, K. Penc, K. Schönhammer, M. Fabrizio, M. Fuentes, N. Nakamura, P. W. Anderson, P. Wzietek, S. Eggert, S. Mandelstam, S. Tarucha, S. Tomonaga, Sebastian Eggert, X. G. Wen, Y. Hwu, Y. Suzumura   +39 more
core   +1 more source

3D‐Printed Giant Magnetoresistive (GMR) Sensors Based on Self Compliant Springs

Advanced Engineering Materials, EarlyView.
This work explores 3D‐printed GMR sensors utilizing self‐compliant spring structures and conductive PLA composites. By optimizing arm width, we achieved high piezoresistive (0.34%/mm) and magnetoresistive (0.77%/mT) sensitivities. Demonstrated through Bluetooth‐integrated pressure and magnetic position sensing, these full printed low‐cost, customizable
Josu Fernández Maestu, Nelson Pereira, Javier Vicente, Carmen Rial Tubio, Senentxu Lanceros‐Méndez   +4 more
wiley   +1 more source

Vector and tensor spin polarization for vector bosons at local equilibrium

Journal of High Energy Physics
We derive expressions for the vector and tensor components of the spin polarization of massive vector bosons at local thermodynamic equilibrium up to second order in the space-time gradients of the thermodynamic fields pertaining to the canonical stress ...
Zhong-Hua Zhang, Xu-Guang Huang, Francesco Becattini, Xin-Li Sheng   +3 more
doaj   +1 more source

Electrical Conductivities of Conductors, Semiconductors, and Their Mixtures at Elevated Temperatures

Advanced Engineering Materials, EarlyView.
This article presents a comprehensive review of temperature‐dependent electrical conductivity data for multiple material classes at elevated temperatures, highlighting a persistent conductivity gap between metals and semiconductors in the range of 102$\left(10\right)^{2}$– 107$\left(10\right)^{7}$ S/m. Metal–ceramic irregular metamaterials are proposed
Valentina Torres Nieto, Marcia A. Cooper
wiley   +1 more source

Photon self-energy at all temperatures and densities in all of phase space

Journal of High Energy Physics
In an isotropic background comprised of free charges, the transverse and longitudinal modes of the photon acquire large corrections to their dispersion relations, described by the in-medium photon self-energy.
Hugo Schérer, Katelin Schutz
doaj   +1 more source

Sol–Gel Derived Polymer Precursors for Stereolithography of ZrC

Advanced Engineering Materials, EarlyView.
ZrC is a critical material target for extreme temperature conditions. This report describes a protocol for preparing ZrC ceramics via stereolithography and examines the impact of the polymer matrix on carbothermal reduction and mechanical stability of 3D printed ZrC.
Charles J. Rafalko, Evelyn Wang, Michael A. Hickner   +2 more
wiley   +1 more source

Non-Abelian chiral kinetic theory with self-consistent semiclassical expansion

Journal of High Energy Physics
We derive the chiral kinetic theory in a non-Abelian gauge field using a self-consistent semiclassical expansion. Within this new expansion scheme, we disentangle the Wigner equations up to second order and demonstrate that they do not introduce ...
Xiao-Li Luo, Shu-Xiang Ma, Jian-Hua Gao
doaj   +1 more source

Exact analytical solution of the collapse of self-gravitating Brownian particles and bacterial populations at zero temperature

, 2011
We provide an exact analytical solution of the collapse dynamics of self-gravitating Brownian particles and bacterial populations at zero temperature.
C. Sire, Clément Sire, D. Lynden Bell, D. Lynden Bell, D. Lynden Bell, E. Bettwieser, H. Risken, J. Binney, J. P. Hansen, L. Mestel, L. Spitzer, M. Hénon, M. V. Penston, P. Debye, P. H. Chavanis, P. H. Chavanis, Pierre-Henri Chavanis, S. Chandrasekhar, S. Inagaki, T. D. Frank, V. A. Antonov   +20 more
core   +3 more sources

Combined Process‐ and Phase‐Field‐Simulation to Predict the Microstructure of Single‐Crystal Ni‐Based Superalloys

Advanced Engineering Materials, EarlyView.
A combined finite element and phase‐field approach predicts the evolution of microstructure during the directional solidification of Ni‐based superalloys. The model reveals how withdrawal rate, temperature gradient, and wall thickness control the dendrite spacing, highlighting the strong effect of surface regions in thin sections where dendrite growth ...
Sean Böhm, André B. Baldissera, Rainer Völkl, Uwe Glatzel   +3 more
wiley   +1 more source

Non-local observables at finite temperature in AdS/CFT

, 2017
Within gauge/gravity duality, we consider the AdS-Schwarzschild metric in arbitrary dimensions. We obtain analytical closed-form results for the two-point function, Wilson loop and entanglement entropy for strip geometries in the finite-temperature field-
Erdmenger, Johanna, Miekley, Nina
core   +1 more source