نتایج جستجو برای: zener

تعداد نتایج: 1086  

Journal: :Journal of the Experimental Analysis of Behavior 1965

Journal: :Physics Reports 2023

Since the pioneering works by Landau, Zener, St\"uckelberg, and Majorana (LZSM), it has been known that driving a quantum two-level system results in tunneling between its states. Even though interference these transitions is to be important, only recently became both accessible, controllable, useful for engineering systems. Here, we study systematically various aspects of LZSM physics review r...

Journal: :Applied Mathematical Modelling 2023

Considering the linear constitutive model containing fractional integrals and Riemann-Liouville derivatives, power per unit volume is expressed in time domain terms of stored energy dissipated volume. Relaxation modulus creep compliance corresponding to anti-Zener Zener models are calculated restrictions on parameters narrowing thermodynamical constraints posed order ensure relaxation be comple...

2009
SIGMUND KOHLER

We study Landau-Zener transitions of a two-level system that is coupled to a quantum heat bath at zero temperature. In particular, we reveal that for a whole class of models, the probability for a nonadiabatic transition is bath-independent.

Journal: :Physical review letters 2004
W A de Heer P Poncharal C Berger

We have studied the high-bias transport properties of the different shells that constitute a multiwalled carbon nanotube. The current is shown to be reduced as the shell diameter is decreased or the length is increased. We assign this geometrical dependence to the competition between the electron-phonon scattering process and Zener tunneling.

1995

PRODUCT DESCRIPTION The AD688 is a high precision ±10 V tracking reference. Low tracking error, low initial error and low temperature drift give the AD688 reference absolute ±10 V accuracy performance previously unavailable in monolithic form. The AD688 uses a proprietary ion-implanted buried Zener diode, and laser-waferdrift-trimming of high stability thin-film resistors to provide outstanding...

1999
Alain Joye

We review recent results concerning the exponential behaviour of transition probabilities across a gap in the adiabatic limit of the time-dependent Schrödinger equation. They range from an exponential estimate in quite general situations to asymptotic Landau-Zener type formulae for finite dimensional systems, or systems reducible to this case.

2003
D. BOUWMEESTER G. P. KARMAN N. H. DEKKER C. A. SCHRAMA J. P. WOERDMAN

By manipulating the discrete optical levels inside an optical resonator, we obtain a classical realization of a twisted Landau ± Zener model. We experimentally demonstrate the geometric amplitude factor in the transition amplitude that arises for this model. We consider in particular the region of parameter space addressed in the original study of the geometric amplitude factor by M. V. Berry [7].

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