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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

Structural characteristics of positionally disordered lattices: Relation to the first sharp diffraction peak in glasses
JK Christie, SN Taraskin, SR Elliott
– Physical Review B - Condensed Matter and Materials Physics
(2004)
70,
134207
Positional disorder in lattices: A model for the structural order responsible for the first sharp diffraction peak in glasses
JK Christie, SN Thraskin, SR Elliott
– Journal of Physics: Condensed Matter
(2004)
16,
s5109
Instantaneous frequency and amplitude identification using wavelets: Application to glass structure (vol E 66, art no 026703, 2002)
JD Harrop, SN Taraskin, SR Elliott
– Physical Review E
(2003)
68,
019904
Disorder-induced vibrational localization
JJ Ludlam, SN Taraskin, SR Elliott
– Physical Review B
(2003)
67,
132203
Vector vibrations and the Ioffe-Regel crossover in disordered lattices
SN Taraskin, SR Elliott
– Journal of Physics Condensed Matter
(2003)
15,
2233
Spatial decay of the single-particle density matrix in tight-binding metals: Analytic results in two dimensions
SN Taraskin, PA Fry, X Zhang, DA Drabold, SR Elliott
– Physical Review B
(2002)
66,
2331011
Vibrational excitations in lattices with anisotropic force-constant disorder analysed by the coherent potential approximation
SN Taraskin, E Allen, SR Elliott
– Journal of Non-Crystalline Solids
(2002)
307,
92
Instantaneous frequency and amplitude identification using wavelets: application to glass structure.
JD Harrop, SN Taraskin, SR Elliott
– Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
(2002)
66,
026703
Vibrations in disordered systems
SN Taraskin, SR Elliott
– Physica B Condensed Matter
(2002)
316-317,
81
Spatial Decay of the Single-Particle Density Matrix in Insulators: Analytic Results in Two and Three Dimensions
SN Taraskin, DA Drabold, SR Elliott
– Physical review letters
(2002)
88,
196405
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Research Interest Group

Telephone number

01223 763991 (shared)

Email address