نتایج جستجو برای: single disorder
تعداد نتایج: 1423561 فیلتر نتایج به سال:
Systems with quasiperiodic disorder are known to exhibit a localization transition in low dimensions. After critical strength of disorder, all the states system become localized, thereby ceasing particle motion system. However, our analysis, we show that one-dimensional dimerized lattice staggered after transition, some localized eigenstates extended for range intermediate strengths. Eventually...
We consider a disordered Hubbard model, and show that, at sufficiently weak disorder, single spin-down mobile impurity can thermalize an extensive initially localized system of spin-up particles. Thermalization is enabled by resonant processes which involve correlated hops the This effect indicates that certain insulators behave as "supercooled" systems, with impurities acting ergodic seeds. pr...
there is little question anymore about the reality of post- traumatic stress disorder(ptsd) as a disorder. for some, this disorder progressively worsens over time and appears to affect nearly all aspects of life, including work, interpersonal relationships, physical health, and view of self. the severity of ptsd may lead to repeated hospitalizations over the years and may require ongoing outpat...
objective: the purpose of the present study was to compare response inhibition and cognitive appraisal in clients with acute stress disorder, clients with posttraumatic stress disorder, and normal individuals . method: this was a comparative study. the sample consisted of 40 clients with acute stress disorder, 40 patients with posttraumatic stress disorder, and 40 normal individuals from maza...
We show that a Weyl superconductor can absorb light via novel surface-to-bulk mechanism, which we dub the topological anomalous skin effect. This occurs even in absence of disorder for single-band superconductor, and is facilitated by splitting Hilbert space into bulk chiral surface Majorana states. In clean limit, effect manifests as characteristic absorption peak due to surface-bulk transitio...
Abstract We study the stability of multiple conducting edge states in a topological insulator against perturbations allowed by time-reversal symmetry. A system is modeled as multi-channel Luttinger liquid, with number channels equal to Kramers doublets at edge. Assuming strong interactions and weak disorder, we first formulate low-energy effective theory for clean translation invariant then inc...
A major challenge in quantum optics and quantum information technology is to enhance the interaction between single photons and single quantum emitters. This requires highly engineered optical cavities that are inherently sensitive to fabrication imperfections. We have demonstrated a fundamentally different approach in which disorder is used as a resource rather than a nuisance. We generated st...
BACKGROUND Impairments in cognitive functions are common in patients suffering from psychiatric disorders, such as schizophrenia and bipolar disorder. Cognitive traits have been proposed as useful for understanding the biological and genetic mechanisms implicated in cognitive function in healthy individuals and in the dysfunction observed in psychiatric disorders. METHODS Sets of genes associ...
OBJECTIVE To test the association between Tourette syndrome (TS) and genetic variants in genomic loci MEIS1, MAP2K5/LBXCOR1, and BTBD9, for which genome-wide association studies in restless legs syndrome and periodic limb movements during sleep revealed common risk variants. DESIGN Case-control association study. SETTING Movement disorder clinic in Montreal. Subjects We typed 14 single-nucl...
OBJECTIVE To investigate quality of life and its association with depression in patients with major depressive disorder. METHOD The study included 74 patients diagnosed with major depressive disorder according to DSM-IV. The Hamilton Depression Rating Scale (HAM-D) was used to assess the severity of depression; and the, Medical Outcomes Study Short Form-36 (MOS SF-36) and EuroQol 5-D (EQ-5D) ...
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