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Yusuf Hamied Department of Chemistry

 

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

Origin of the Boson Peak in Systems with Lattice Disorder
SN Taraskin, YL Loh, G Natarajan, SR Elliott
– Phys Rev Lett
(2001)
86,
1255
Fast Chebyshev-polynomial method for simulating the time evolution of linear dynamical systems
YL Loh, SN Taraskin, SR Elliott
– Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
(2001)
63,
567061
Vibrational properties of the one-component σ phase
SI Simdyankin, SN Taraskin, M Dzugutov, SR Elliott
– Physical Review B
(2000)
62,
3223
Propagation of plane-wave vibrational excitations in disordered systems
SN Taraskin, SR Elliott
– Physical Review B - Condensed Matter and Materials Physics
(2000)
61,
12017
Ioffe-Regel crossover for plane-wave vibrational excitations in vitreous silica
SN Taraskin, SR Elliott
– Physical Review B
(2000)
61,
12031
Fast Time-Evolution Method for Dynamical Systems
YL Loh, SN Taraskin, SR Elliott
– Physical review letters
(2000)
84,
2290
Large paramagnetic effect and related DC conductivity change in semiconducting glasses under high pressure
MI Klinger, SN Taraskin
– Physica B: Condensed Matter
(2000)
275,
275
Scattering of plane-wave atomic vibrations in disordered structures
SN Taraskin, SR Elliott
– AIP Conference Proceedings
(1999)
489,
171
Extracting the vibrational density of states from neutron scattering data: Beyond the effective density of states
SR Elliott, A Haar, RD Oeffner, SN Taraskin
– NEUTRONS AND NUMERICAL METHODS-N(2)M
(1999)
479,
160
Anharmonicity and localization of atomic vibrations in vitreous silica
SN Taraskin, SR Elliott
– Physical Review B
(1999)
59,
8572
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Research Groups

Research Interest Group

Telephone number

01223 763991 (shared)
36532 (shared)

Email address

snt1000@cam.ac.uk