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 Department: Physics
 Decade: 1990-1999
 Collection: UNT Scholarly Works
Fractional Brownian motion as a nonstationary process: An alternative paradigm for DNA sequences

Fractional Brownian motion as a nonstationary process: An alternative paradigm for DNA sequences

Date: April 1998
Creator: Allegrini, Paolo; Buiatti, Marco, 1972-; Grigolini, Paolo & West, Bruce J.
Description: This article discusses fractional Brownian motion as a nonstationary process. The model adopted is compatible with the known biological and physical constraints, namely, it is shown to be consistent with the information of current biological literature on folding as well as with the statistical analyses of DNA sequences.
Contributing Partner: UNT College of Arts and Sciences
Anomalous diffusion and ballistic peaks: A quantum perspective

Anomalous diffusion and ballistic peaks: A quantum perspective

Date: June 1998
Creator: Stefancich, Marco; Allegrini, Paolo; Bonci, Luca; Grigolini, Paolo & West, Bruce J.
Description: This article discusses anomalous diffusion and ballistic peaks.
Contributing Partner: UNT College of Arts and Sciences
Non-Gaussian statistics of anomalous diffusion: The DNA sequences of prokaryotes

Non-Gaussian statistics of anomalous diffusion: The DNA sequences of prokaryotes

Date: September 1998
Creator: Allegrini, Paolo; Buiatti, Marco, 1972-; Grigolini, Paolo & West, Bruce J.
Description: This article discusses a non-Gaussian indicator to measure the deviation from Gaussian statistics of a diffusion process generated by dichotomous fluctuations with infinite memory.
Contributing Partner: UNT College of Arts and Sciences
Fractional calculus as a macroscopic manifestation of randomness

Fractional calculus as a macroscopic manifestation of randomness

Date: March 1999
Creator: Grigolini, Paolo; Rocco, A. (Andrea) & West, Bruce J.
Description: Article discussing fractional calculus as a macroscopic manifestation of randomness.
Contributing Partner: UNT College of Arts and Sciences
Tunneling rate fluctuations induced by nonlinear resonances: A quantitative treatment based on semiclassical arguments

Tunneling rate fluctuations induced by nonlinear resonances: A quantitative treatment based on semiclassical arguments

Date: November 1998
Creator: Bonci, Luca; Farusi, Andrea; Grigolini, Paolo & Roncaglia, Roberto
Description: This article discusses tunneling rate fluctuations induced by nonlinear resonances. The authors investigate the tunneling process between two symmetric stable islands of a forced pendulum Hamiltonian in the weak chaos regime.
Contributing Partner: UNT College of Arts and Sciences
Bianucci, Mannella, and Grigolini Reply

Bianucci, Mannella, and Grigolini Reply

Date: August 18, 1997
Creator: Bianucci, Marco; Mannella, Riccardo & Grigolini, Paolo
Description: This article is a reply to a comment by Massimo Falcioni and Angelo Vulpiani. In a previous letter, the authors have discussed the linear response theory (LRT) and shown that the breakdown of this theory occurring at intermediate times, observed in an earlier paper [2] as well as in [1], disappears upon an increase of the number of degrees of freedom. In a comment to [1] Falcioni and Vulpiani [3] claim that this breakdown is rather a consequence of the lack of mixing: according to them, regardless of the number of degrees of freedom, mixing is the key ingredient behind the LRT.
Contributing Partner: UNT College of Arts and Sciences
Dynamic Approach to the Thermodynamics of Superdiffusion

Dynamic Approach to the Thermodynamics of Superdiffusion

Date: April 26, 1999
Creator: Buiatti, Marco, 1972-; Grigolini, Paolo & Montagnini, Anna
Description: This article discusses dynamic approach to the thermodynamics of superdiffusion.
Contributing Partner: UNT College of Arts and Sciences
Lévy diffusion as an effect of sporadic randomness

Lévy diffusion as an effect of sporadic randomness

Date: December 1999
Creator: Bologna, Mauro; Grigolini, Paolo & Riccardi, Juri
Description: This article discusses Lévy diffusion as an effect of sporadic randomness.
Contributing Partner: UNT College of Arts and Sciences
Control of chaos in a CO2 laser

Control of chaos in a CO2 laser

Date: September 5, 1994
Creator: Pérez, José M.; Steinshnider, J.; Stallcup, Richard E. & Aviles, A. F.
Description: This article discusses the control of chaos in a CO2 laser.
Contributing Partner: UNT College of Arts and Sciences
Effects of O2, H2, and N2 gases on the field emission properties of diamond-coated microtips

Effects of O2, H2, and N2 gases on the field emission properties of diamond-coated microtips

Date: August 23, 1999
Creator: Lim, Seong-Chu; Stallcup, Richard E.; Akwani, Ikerionwu A. & Pérez, José M.
Description: This article discusses the effects of O2, H2, and N2 gases on the field emission properties of diamond-coated microtips.
Contributing Partner: UNT College of Arts and Sciences
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