6,035 research outputs found
Neurogenic Pulmonary Edema-The Interaction of Hemodynamics Leading to Lung Pathology (A Review of 10 Year Research)
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The Interaction of Pressure, Flow, Resistance and Compliance in the Systemic and Pulmonary Circulation with a Total Heart Bypass Preparation
No full textBaroreflex Adaptation and Resetting on the Control of Arterial Pressure and Vascular Resistance
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Acute and Chronic Resetting of the Baroreflex Function in Spontaneously Hypertensive Rats
No full textBasic Research in Hypertension and Stroke (II) (Annual Report of the National Program Project)
No full textAssessment of Threshold and Saturation Pressure in the Baroreflex Function Curve:a New Mathematical Analysis
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Exploration of the memory effect on the photon-assisted tunneling via a single quantum dot: A generalized Floquet theoretical approach
No full text The generalized Floquet approach is developed to study memory effect on electron transport phenomena through a periodically driven single quantum dot in an electrode–multi-level dot–electrode nanoscale quantum device. The memory effect is treated using a multi-function Lorentzian spectral density (LSD) model that mimics the spectral density of each electrode in terms of multiple Lorentzian functions. For the symmetric single-function LSD model involving a single-level dot, the underlying single-particle propagator is shown to be related to a 2×2 effective time-dependent Hamiltonian that includes both the periodic external field and the electrode memory effect. By invoking the generalized Van Vleck (GVV) nearly degenerate perturbation theory, an analytical Tien-Gordon-like expression is derived for arbitrary order multi-photon resonance d.c. tunneling current. Numerically converged simulations and the GVV analytical results are in good agreement, revealing the origin of multi-photon coherent destruction of tunneling and accounting for the suppression of the staircase jumps of d.c. current due to the memory effect. Specially, a novel blockade phenomenon is observed, showing distinctive oscillations in the field-induced current in the large bias voltage limit. </jats:p
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