Results 51 to 60 of about 93,610 (302)

Conductance anomalies in a one-dimensional quantum contact

, 2001
Short length quantum wires (quantum contacts) exhibit a conductance structure at the value of conductance close to 0.7 \times 2e^2/h. The structure is also called the conductance anomaly.
Sushkov, O. P.
core   +1 more source

Nonlinear conductance of quantum point contacts

Physical Review B, 1989
The conductance of ballistic quantum constrictions in a two-dimensional electron gas has been studied experimentally as a function of the applied voltage. Large nonlinearities are found in the current-voltage characteristics. We give a simple model, which explains the main features of the nonlinear conductance. Breakdown of the conductance quantization
Kouwenhoven, L.P., Wees, B.J. van, Harmans, C.J.P.M., Williamson, J.G., Houten, H. van, Beenakker, C.W.J., Foxon, C.T., Harris, J.J.   +7 more
openaire   +5 more sources

Colorectal cancer‐derived FGF19 is a metabolically active serum biomarker that exerts enteroendocrine effects on mouse liver

Molecular Oncology, EarlyView.
Meta‐transcriptome analysis identified FGF19 as a peptide enteroendocrine hormone associated with colorectal cancer prognosis. In vivo xenograft models showed release of FGF19 into the blood at levels that correlated with tumor volumes. Tumoral‐FGF19 altered murine liver metabolism through FGFR4, thereby reducing bile acid synthesis and increasing ...
Jordan M. Beardsley, Michael W. Rohr, Joseph A. Goode, Sai Preethi Nakkina, Jignesh G. Parikh, Deborah A. Altomare   +5 more
wiley   +1 more source

Multiple-path Quantum Interference Effects in a Double-Aharonov-Bohm Interferometer

Nanoscale Research Letters, 2010
We investigate quantum interference effects in a double-Aharonov-Bohm (AB) interferometer consisting of five quantum dots sandwiched between two metallic electrodes in the case of symmetric dot-electrode couplings by the use of the Green’s function
Yang XF, Liu YS
doaj   +1 more source

Room-temperature quantum interference in single perovskite quantum dot junctions

Nature Communications, 2019
Quantum interference effects remain elusive in halide perovskite materials. Here Zheng et al. reveal the atomic origin of the conductance features in the single perovskite quantum dot junctions, and present direct evidence of the room-temperature quantum
Haining Zheng, Songjun Hou, Chenguang Xin, Qingqing Wu, Feng Jiang, Zhibing Tan, Xin Zhou, Luchun Lin, Wenxiang He, Qingmin Li, Jueting Zheng, Longyi Zhang, Junyang Liu, Yang Yang, Jia Shi, Xiaodan Zhang, Ying Zhao, Yuelong Li, Colin Lambert, Wenjing Hong   +19 more
doaj   +1 more source

Quantum Mechanical Aspects in the Pathophysiology of Neuropathic Pain

Brain Sciences, 2022
Neuropathic pain is a challenging complaint for patients and clinicians since there are no effective agents available to get satisfactory outcomes even though the pharmacological agents target reasonable pathophysiological mechanisms.
Sager Nawafleh, Abdallah Barjas Qaswal, Obada Alali, Fuad Mohammed Zayed, Ahmed Mahmoud Al-Azzam, Khaled Al-Kharouf, Mo’ath Bani Ali, Moath Ahmad Albliwi, Rawan Al-Hamarsheh, Mohammad Iswaid, Ahmad Albanna, Ahmad Enjadat, Mohammad Abu Orabi Al-Adwan, Khaled Dibbeh, Ez-Aldeen Abu Shareah, Anas Hamdan, Aiman Suleiman   +16 more
doaj   +1 more source

Nonequilibrium conductivity at quantum critical points [PDF]

Physical Review B, 2013
Quantum criticality provides an important route to revealing universal non-equilibrium behaviour. A canonical example of a quantum critical point is the Bose-Hubbard model, which we study under the application of an electric field. A Boltzmann transport formalism and $ $-expansion are used to obtain the non-equilibrium conductivity and current noise ...
Berridge, AM, Green, AG
openaire   +3 more sources

A light‐triggered Time‐Resolved X‐ray Solution Scattering (TR‐XSS) workflow with application to protein conformational dynamics

FEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering captures how proteins change shape in real time under near‐native conditions. This article presents a practical workflow for light‐triggered TR‐XSS experiments, from data collection to structural refinement. Using a calcium‐transporting membrane protein as an example, the approach can be broadly applied to study ...
Fatemeh Sabzian‐Molaei, Fredrik Orädd, Konstantinos Magkakis, Magnus Andersson   +3 more
wiley   +1 more source

Tempered Fractional Equations for Quantum Transport in Mesoscopic One-Dimensional Systems with Fractal Disorder

Fractal and Fractional, 2019
New aspects of electron transport in quantum wires with Lévy-type disorder are described. We study the weak scattering and the incoherent sequential tunneling in one-dimensional quantum systems characterized by a tempered Lévy stable ...
Renat T. Sibatov, HongGuang Sun
doaj   +1 more source

Symmetry-related transport on a fractional quantum Hall edge

Physical Review Research, 2021
Low-energy transport in quantum Hall states is carried through edge modes and is dictated by bulk topological invariants and possibly microscopic Boltzmann kinetics at the edge.
Jinhong Park, Bernd Rosenow, Yuval Gefen
doaj   +1 more source