scholarly journals Intraband relaxation and temperature dependence of the fluorescence decay time of one-dimensional Frenkel excitons: The Pauli master equation approach

2002 ◽  
Vol 117 (13) ◽  
pp. 6200-6213 ◽  
Author(s):  
M. Bednarz ◽  
V. A. Malyshev ◽  
J. Knoester
Keyword(s):  
Temperature Dependence ◽  
Master Equation ◽  
Decay Time ◽  
Fluorescence Decay ◽  
Equation Approach ◽  
One Dimensional ◽  
Intraband Relaxation ◽  
Master Equation Approach ◽  
Fluorescence Decay Time ◽  
Pauli Master Equation

Die Abklingdauer der Fluoreszenz von Naphthalin-Kristallen

1967 ◽  
Vol 22 (8) ◽  
pp. 1242-1246 ◽  
Author(s):  
T. B. El-Kareh ◽  
H. C. Wolf
Keyword(s):  
Simple Model ◽  
Quantum Yield ◽  
Temperature Dependence ◽  
Electronic State ◽  
Oscillator Strength ◽  
Short Duration ◽  
Decay Time ◽  
Fluorescence Decay ◽  
Sample Thickness ◽  
Fluorescence Decay Time

The fluorescence decay time of naphthalene crystals has been measured as a function of sample thickness (1 μ-1 cm) and temperature (4.2°K-300°K) when excited in the first electronic state with UV pulses of short duration. A simple model is proposed to explain the decay mechanism, assuming constant quantum yield and oscillator strength and taking into account both Davydov-levels A and B. The reabsorption is found to be directly proportional to the temperature. The decay time of the lower Davydov-component can be measured directly as τA = (115 ± 5) nsec. The decay time of the higher level B is calculated from the dependence on the thickness as τB = (20 ± 10) nsec, and from the temperature dependence as TB= (30 ± 10) nsec.

Statistical mechanics of quantum one-dimensional damped harmonic oscillators: II

1987 ◽  
Vol 65 (7) ◽  
pp. 715-718 ◽  
Author(s):  
O. N. Borges ◽  
L. A. Amarante Ribeiro
Keyword(s):  
Master Equation ◽  
Weak Coupling ◽  
Weak Coupling Limit ◽  
Harmonic Oscillators ◽  
Equation Approach ◽  
One Dimensional ◽  
Master Equation Approach ◽  
The One ◽  
The Relationship ◽  
Damped Oscillator

We show that the Caldirola–Kanai Hamiltonian of the one-dimensional damped oscillator describes in a specified basis a Gaussian, Markoffian process, in the weak coupling limit. We also discuss which assumption makes the process stationary and clarify the relationship with the master-equation approach.

scholarly journals Stepwise introduction of model complexity in a generalized master equation approach to time-dependent transport

2012 ◽  
Vol 61 (2-3) ◽  
pp. 305-316 ◽  
Author(s):  
V. Gudmundsson ◽  
O. Jonasson ◽  
Th. Arnold ◽  
C-S. Tang ◽  
H.-S. Goan ◽  
...  
Keyword(s):  
Master Equation ◽  
Time Dependent ◽  
Model Complexity ◽  
Equation Approach ◽  
Master Equation Approach ◽  
Dependent Transport ◽  
Generalized Master Equation

scholarly journals Intrinsic Friction of Monolayers Adsorbed on Solid Surfaces.

2003 ◽  
Vol 790 ◽  
Author(s):  
O. Bénichou ◽  
A.M. Cazabat ◽  
J. De Coninck ◽  
M. Moreau ◽  
G. Oshanin
Keyword(s):  
Density Distribution ◽  
Master Equation ◽  
Vapor Phase ◽  
Tracer Particle ◽  
Hard Core ◽  
Solid Surfaces ◽  
Equation Approach ◽  
Frictional Properties ◽  
Master Equation Approach ◽  
Frictional Forces

ABSTRACTWe review recent results on intrinsic frictional properties of adsorbed monolayers, composed of mobile hard-core particles undergoing continuous exchanges with a vapor phase. In terms of a dynamical master equation approach we determine the velocity of a biased impure molecule - the tracer particle (TP), constrained to move inside the adsorbed mono-layer probing its frictional properties, define the frictional forces exerted by the monolayer on the TP, as well as the particles density distribution in the monolayer.

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