2,161 research outputs found
Spatial correlations in chaotic nanoscale systems with spin-orbit coupling
We investigate the statistical properties of wave functions in chaotic
nanostructures with spin-orbit coupling (SOC), focussing in particular on
spatial correlations of eigenfunctions. Numerical results from a microscopic
model are compared with results from random matrix theory in the crossover from
the gaussian orthogonal to the gaussian symplectic ensembles (with increasing
SOC); one- and two-point distribution functions were computed to understand the
properties of eigenfunctions in this crossover. It is found that correlations
of wave function amplitudes are suppressed with SOC; nevertheless,
eigenfunction correlations play a more important role in the two-point
distribution function(s), compared to the case with vanishing SOC. Experimental
consequences of our results are discussed.Comment: Submitted to PR
Tunneling into Nonequilibrium Luttinger Liquid with Impurity
We evaluate tunneling rates into/from a voltage biased quantum wire
containing weak backscattering defect. Interacting electrons in such a wire
form a true nonequilibrium state of the Luttinger liquid (LL). This state is
created due to inelastic electron backscattering leading to the emission of
nonequilibrium plasmons with typical frequency . The
tunneling rates are split into two edges. The tunneling exponent at the Fermi
edge is positive and equals that of the equilibrium LL, while the exponent at
the side edge is negative if Coulomb interaction is not too strong.Comment: 4+ pages, 5 figure
Understanding relational binding in early childhood: Interacting effects of overlap and delay
Analisa Pengaruh Komunikasi Internal, Intrinsic Rewards Dan Recognition Terhadap Employee Engagement Di Surabaya Suite Hotel
Penelitian ini dilakukan untuk menganalisa pengaruh komunikasi internal, intrinsic rewards, dan recognition terhadap employee engagementdi SurabayaSuiteHotel. Employee engagement penting untuk meningkatkan kinerja karyawan demi keberhasilan organisasi. Komunikasi internal adalah proses pertukaran informasi dalam internal organisasi. Intrinsic rewards adalah kepuasan pribadi dari pekerjaan itu sendiri. Dan recognition adalah pengakuan yang diberikan atas kinerja karyawan. Teknik analisa yang digunakan adalah kuantitatif kausal. Hasil analisa regresi menunjukkan bahwa komunikasi internal, intrinsic rewards dan recognition berpengaruh simultan dan signifikan terhadap employee engagement. Komunikasi internal, intrinsic rewards dan recognition secara parsial dan signifikan berpengaruh terhadap employee engagement. Sementara itu, intrinsic rewards dan recognition memiliki pengaruh dominan terhadap employee engagement
Correlation between peroxisome proliferation and up-regulation of cytochrome P450 CYP4A and peroxisomal beta-Oxidation fatty acyl CoA oxidases (AOX) in the koala (Phascolarctos cinereus)
Peroxisomes are membrane bound cytoplasmic organelles that are involved in lipid metabolism and other biological functions. In rat and mouse, profound xenobiotic-induced peroxisome proliferation has been reported, with a marked increase in number and size of peroxisomes in liver parenchymal cells and induction of lipid metabolising enzymes, in particular cytochrome P450 CYP4A and peroxisomal -oxidation palmitoyl CoA oxidases (AOX1). The present study investigates whether the previously observed higher hepatic CYP4A and AOX1 expression in the koala (Phascolarctos cinereus), a unique Australian marsupial, compared with rat and human is associated with peroxisome proliferation. Visualisation and quantification of peroxisomes were performed on liver samples from three koalas utilising transmission electron microscopy, with rat and bandicoot livers being used for comparative purposes. Numerous catalase positive peroxisomes, which clearly stand out by their black single membrane globular structures, were detected in all test ultra-thin sections from koala livers. A higher average number of peroxisomes per hepatocyte was observed for the koala, an obligate eucalyptus feeder, compared with non-eucalyptus feeders rat and bandicoot. No species differences in the average size of peroxisomes were detected. This is the first morphological study examining hepatic peroxisomes in an Australian marsupial. The results suggested that dietary eucalyptus constituents might possess peroxisome proliferating activities.SNT Ngo, I Stupans and RA McKinno
- …