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Yusuf Hamied Department of Chemistry

 

Dr Sergei Taraskin

College Lecturer

The research activity of the group led by Dr Taraskin covers a wide area of statistical physics and theoretical condensed matter science. The properties of disordered systems are of particular interest, including non-equilibrium phase-transitions in disordered complex networks and spectral properties of single-particle electronic and vibrational excitations in disordered materials.

Research Interests

Non-equilibrium phase transitions in disordered networks. Non-equilibrium phase transitions are characterisic of capillary condensation, magnetasation reversal in ferromagnets, population dynamics and epidemics. We study, in particular, the non-equilibrium phenomena in systems described by the randon-field Ising model, such as capillary condensation in porous media within the lattice-gas model.  

Synergistic effects for spreading processes. Spreading of infection, opinion and rumours through networks of hosts often occurs in regimes with strong non-linear (synergy) interactions between hosts. We study how the synergy effects influence the dynamics of the speading processes. 

 

Group webpage: http://www.complex-systems.ch.cam.ac.uk/

Publications

Extracting accurate optical parameters from glasses usingterahertz time-domain spectroscopy
EPJ Parrott, JA Zeitler, LF Gladden, SN Taraskin, SR Elliott
– Journal of Non-Crystalline Solids
(2009)
355,
1824
(doi: 10.1016/j.jnoncrysol.2009.04.071)
Spectral density of vibrational excitations in lattices with force-constant disorder
SN Taraskin, SR Elliott
– Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
(2009)
81,
1263
(doi: 10.1080/13642810108205806)
Determination of the Ioffe-Regel limit for vibrational excitations in disordered materials
SN Taraskin, SR Elliott
– Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
(2009)
79,
1747
(doi: 10.1080/13642819908223057)
The vibrational spectrum of amorphous materials obtained by the use of an Anderson-like Hamiltonian
SN Taraskin, SR Elliott
– Philosophical Magazine B
(2009)
79,
1755
(doi: 10.1080/13642819908223058)
The dispersion of vibrational excitations in vitreous silica
SN Taraskin, SR Elliott
– Philosophical Magazine B
(2009)
77,
403
(doi: 10.1080/13642819808204968)
Propagation, hybridization and localization of vibrational excitations in disordered materials
SN Taraskin, JJ Ludlam, G Natarajan, SR Elliott
– Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
(2009)
82,
197
(doi: 10.1080/13642810110085163)
Scaling behavior of the disordered contact process.
SV Fallert, SN Taraskin
– Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
(2009)
79,
042105
(doi: 10.1103/PhysRevE.79.042105)
Stochastic spreading processes on a network model based on regular graphs
SV Fallert, SN Taraskin
– Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
(2008)
5151 LNCS,
133
(doi: 10.1007/978-3-540-92191-2_12)
Contact process in disordered and periodic binary two-dimensional lattices
SV Fallert, YM Kim, CJ Neugebauer, SN Taraskin
– Physical review. E, Statistical, nonlinear, and soft matter physics
(2008)
78,
041117
(doi: 10.1103/physreve.78.041117)
Cooperative sequential adsorption with nearest-neighbor exclusion and next-nearest neighbor interaction
CJ Neugebauer, SN Taraskin
(2008)
(link to publication)
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Research Groups

Research Interest Group

Telephone number

01223 336532 (shared)
01223 763991 (shared)

Email address

snt1000@cam.ac.uk

College

St Catharine's College

    Study at Cambridge

    About the University

    Research at Cambridge