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Digital Signal Processing Techniques for Nonexponentially Decaying Reverberation
"... In this paper we show several digital signal processing techniques that can be used for nonexponentially decaying artificial reverberation. Traditional recursive filter techniques used for simulating the diffuse part of reverberation produce an exponentially decaying reverberation. We show how t ..."
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In this paper we show several digital signal processing techniques that can be used for nonexponentially decaying artificial reverberation. Traditional recursive filter techniques used for simulating the diffuse part of reverberation produce an exponentially decaying reverberation. We show how
NonExponential Relaxation in Diluted Antiferromagnets
"... Diluted Ising antiferromagnets in a homogenous magnetic field have a disordered phase for sufficiently large values of the field and for low temperatures. Here, the system is in a domain state with a broad sizedistribution of fractal domains. We study the relaxation dynamics of this domain state af ..."
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after removing the external field for two and three dimensions. Using Monte Carlo simulation techniques, we measure the decay of the remanent magnetization. Its temperature dependence can be understood as thermal activation. All data can be described by a unique generalized power law for a wide range
Decay of correlations on towers with nonHölder Jacobian and nonexponential return time
"... We establish upper bounds on the rate of decay of correlations of tower systems with summable variation of the Jacobian and integrable return time. That is, we consider situations in which the Jacobian is not Hölder and the return time is only subexponentially decaying. We obtain a subexponential bo ..."
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We establish upper bounds on the rate of decay of correlations of tower systems with summable variation of the Jacobian and integrable return time. That is, we consider situations in which the Jacobian is not Hölder and the return time is only subexponentially decaying. We obtain a subexponential
Nonexponential decays and nonextensivity G.Wilk1 ∗ 2 †
, 2008
"... We demonstrate that nonexponential decays of unstable systems can be understood as yet another example of nonextensivity encountered in many physical systems and as such can be characterized by the nonextensivity parameter q. PACS numbers: 05.40.Fb 24.60.k 05.10.Gg ..."
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We demonstrate that nonexponential decays of unstable systems can be understood as yet another example of nonextensivity encountered in many physical systems and as such can be characterized by the nonextensivity parameter q. PACS numbers: 05.40.Fb 24.60.k 05.10.Gg
Nonexponential decays and nonextensivity G.Wilk1 ∗ 2 †
, 2008
"... We demonstrate that nonexponential decays of unstable systems can be understood as yet another example of nonextensivity encountered in many physical systems and as such can be characterized by the nonextensivity parameter q. PACS numbers: 05.40.Fb 24.60.k 05.10.Gg ..."
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We demonstrate that nonexponential decays of unstable systems can be understood as yet another example of nonextensivity encountered in many physical systems and as such can be characterized by the nonextensivity parameter q. PACS numbers: 05.40.Fb 24.60.k 05.10.Gg
CONFORMATIONAL DYNAMICS OF TRYPTOPHAN: A PROPOSAL FOR THE ORIGIN OF THE NONEXPONENTIAL FLUORESCENCE DECAY
"... A molecular dynamics simulation is used to explore the conformational dynamics of tryptophan. The simulations imply a substantial time scale separation for motion around the x1 or xz bonds. We propose a model for tryptophan nonexponential fluorescence decay in terms of two xz conformers each consi ..."
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A molecular dynamics simulation is used to explore the conformational dynamics of tryptophan. The simulations imply a substantial time scale separation for motion around the x1 or xz bonds. We propose a model for tryptophan nonexponential fluorescence decay in terms of two xz conformers each
Nonexponential decay laws in perturbation theory of near threshold eigenvalues
"... We consider a two channel model of the form Hop 0 0 W12 Hε = + ε on H = Hop ⊕ C. 0 E0 W21 0 The operator Hop is assumed to have the properties of a Schrödinger operator in odd dimensions, with a threshold at zero. As the energy parameter E0 is tuned past the threshold, we consider the survival proba ..."
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probability 〈Ψ0,e −itHε Ψ0〉  2, where Ψ0 is the eigenfunction corresponding to eigenvalue E0 for ε = 0. We find nonexponential decay laws for ε small and E0 close to zero, provided that the resolvent of Hop is not at least Lipschitz continuous at the threshold zero. 1 1
LE'ZTER TO THE EDITOR Nonexponential spontaneous decay in cavities and waveguides
, 1987
"... Abstract. We show that spontaneous decay of atoms interacting with reservoirs, which have a frequencydependent photon mode density, not necessarily concentrated over a narrow frequency range, may become nonexponential. The process of spontaneous emission of atoms contained in a cavity or a wavegui ..."
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Abstract. We show that spontaneous decay of atoms interacting with reservoirs, which have a frequencydependent photon mode density, not necessarily concentrated over a narrow frequency range, may become nonexponential. The process of spontaneous emission of atoms contained in a cavity or a
NonExponential Electron Spin Decay in Indium Arsenide Quantum Dots
, 2013
"... Electron spins in InAs quantum dots have been studied using a pumpprobe technique that normally yields the T1 spin lifetime, the time required for initially polarized electrons to relax and randomize. Using a circularly polarized laser tuned to the wavelength response of the quantum dots, the spins ..."
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), where the spin response decays exponentially with time, initial data on the quantum dots has shown an unexpected, exponentially decaying sinusoid. This exponentially decaying sinusoid has a decay constant of 190 ns and oscillation frequency of 4.17 MHz, independent of both temperature and magnetic field.
Results 1  10
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