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Amit Chattopadhyay

Dr

 https://orcid.org/0000-0001-5499-6008
  • Phone01212043500

  • School of Engineering and Applied Science, Aston University

    B4 7ET Birmingham

    United Kingdom

19982019
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Research Output 1998 2019

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Article
2019

Direct nonlinear Fourier transform algorithms for the computation of solitonic spectra in focusing nonlinear Schrödinger equation

Vasylchenkova, A., Prilepsky, J. E., Shepelsky, D. & Chattopadhyay, A., 1 Mar 2019, In : Communications in Nonlinear Science and Numerical Simulation. 68, p. 347-371 25 p.

Research output: Contribution to journal › Article

Open Access
File
Nonlinear equations
Fourier transform
Fourier transforms
Nonlinear Equations
Eigenvalue
2018

Epidemiological impact of waning immunization on a vaccinated population

Grela, E., Stich, M. & Chattopadhyay, A. K., 1 Nov 2018, In : European Physical Journal B: Condensed Matter and Complex Systems. 91, 267.

Research output: Contribution to journal › Article

Open Access
File
Immunization
Chlordiazepoxide
infectious diseases
compartments
actuators

Novel Universality Classes in Ferroelectric Liquid Crystals

Chattopadhyay, A. K. & Mukherjee, P. K., 1 Jan 2018, In : Journal of Molecular Liquids. 249, p. 397-403

Research output: Contribution to journal › Article

Open Access
File
Liquid Crystals
Liquid crystals
Ferroelectric materials
liquid crystals
exponents

On stochastic resonance in a model of double diffusion

Chattopadhyay, A. K., He, X., Tsambali, A-A., Konstantinidis, A. A. & Aifantis, E. C., 2 Sep 2018, In : Materials Science and Technology. 34, 13, p. 1606-1613

Research output: Contribution to journal › Article

Nanocrystals
nanocrystals
Energy transfer
critical point
inhomogeneity

Role of external and internal perturbations on ferromagnetic phase transitions in manganites: existence of tricritical points

Mukherjee, P. K., Sarkar, P. & Chattopadhyay, A. K., 25 Jul 2018, In : Journal of Physics: Condensed Matter. 30, 29, 295101.

Research output: Contribution to journal › Article

Open Access
File
Manganites
Phase transitions
perturbation
Substitution reactions
Magnetic fields

Statistics of Correlations and Fluctuations in a Stochastic Model of Wealth Exchange

Bertotti, M. L., Chattopadhyay, A. K. & Modanese, G., 5 Mar 2018, In : Entropy. 20, 3, 11 p., 166.

Research output: Contribution to journal › Article

Open Access
File
income
statistics
kinetic theory
transition probabilities
deviation

Uncertainty dynamics in a model of economic inequality

Bertotti, M. L., Chattopadhyay, A. K. & Modanese, G., 31 Jan 2018, In : International Journal of Design and Nature and Ecodynamics. 13, 1, p. 16-22 6 p.

Research output: Contribution to journal › Article

Open Access
File
Economic Models
dynamic models
Uncertainty
uncertainty
Social Mobility
2017

Correlation between Gini index and mobility in a stochastic kinetic model of economic exchange

Bertotti, M. L., Chattopadhyay, A. K. & Modanese, G., 2017, In : Results in Physics. 7, p. 2081-2084 4 p.

Research output: Contribution to journal › Article

Open Access
File
economics
kinetics
income
formulations
correlation coefficients

Double diffusivity model under stochastic forcing

Chattopadhyay, A. K. & Aifantis, E. C., 22 May 2017, In : Physical Review E. 95, 5, 10 p., 052134.

Research output: Contribution to journal › Article

Open Access
File
Diffusivity
Forcing
diffusivity
Gradient
Grain Boundary

Dynamics of spatial heterogeneity in a landfill with interacting phase densities: a stochastic analysis

Chattopadhyay, A. K., Dey, P. K. & Ghosh, S. K., 1 Jan 2017, In : Applied Mathematical Modelling. 41, p. 350-358

Research output: Contribution to journal › Article

Open Access
File
Spatial Heterogeneity
Stochastic Analysis
Land fill
Statistics
Fluctuations

Effect of magnetic nanoparticles on the nematic-smectic-A phase transition

Mukherjee, P. K. & Chattopadhyay, A. K., Sep 2017, In : Journal of Molecular Liquids. 242, p. 612-617 6 p.

Research output: Contribution to journal › Article

Open Access
File
Phase transitions
Nanoparticles
nanoparticles
Impurities
impurities

Poverty index with time-varying consumption and income distributions

Chattopadhyay, A. K., Kumar, T. K. & Mallick, S. K., 6 Mar 2017, In : Physical Review E. 95, 3, 032109.

Research output: Contribution to journal › Article

Open Access
File
income
Income Distribution
Poverty
Time-varying
deprivation

Protein lipograms

Laurie, J., Chattopadhyay, A. K. & Flower, D. R., 7 Oct 2017, In : Journal of Theoretical Biology. 430, p. 109-116 8 p.

Research output: Contribution to journal › Article

Open Access
File
Proteome
proteome
Proteins
Protein
Decompose

Stochastic effects in a discretized kinetic model of economic exchange

Bertotti, M. L., Chattopadhyay, A. K. & Modanese, G., 1 Apr 2017, In : Physica A. 471, p. 724–732 9 p.

Research output: Contribution to journal › Article

Open Access
File
Kinetic Model
economics
Economics
Gini Index
Taxation
2016

Laminar-turbulent transition in Raman fiber lasers: a first passage statistics based analysis

Chattopadhyay, A. K., Nasiev, D., Sugavanam, S., Tarasov, N. & Churkin, D. V., 28 Jun 2016, In : Scientific Reports. 6, 5 p., 28492.

Research output: Contribution to journal › Article

Open Access
File
Raman lasers
fiber lasers
statistics
pumps
excitation

Noise-induced standing waves in oscillatory systems with time-delayed feedback

Stich, M. & Chattopadhyay, A. K., 23 May 2016, In : Physical Review E. 93, 5, 9 p., 052221.

Research output: Contribution to journal › Article

Open Access
File
Delayed Feedback
Standing Wave
standing waves
Temporal Correlation
Gaussian White Noise

Stochastically forced dislocation density distribution in plastic deformation

Chattopadhyay, A. K. & Aifantis, E. C., Aug 2016, In : Physical Review E. 94, 2, 8 p., 022139.

Research output: Contribution to journal › Article

Open Access
File
Plastic Deformation
Dislocation
plastic deformation
density distribution
Randomness

Stokes waves revisited: exact solutions in the asymptotic limit

Davies, M. & Chattopadhyay, A. K., 28 Mar 2016, In : European Physical Journal. 131, 3, 5 p., 69.

Research output: Contribution to journal › Article

Open Access
File
Surface waves
secular variations
Gravity waves
gravity waves
engineers
2015

A statistical physics perspective on alignment-independent protein sequence comparison.

Chattopadhyay, A. K., Nasiev, D. & Flower, D. R., 2015, In : Bioinformatics. 31, 15, p. 2469-2474 6 p.

Research output: Contribution to journal › Article

Open Access
File
Sequence Comparison
Physics
Statistical Physics
Protein Sequence
Alignment

HIV, cardiovascular diseases, and chronic arsenic exposure co-exist in a positive synergy

Chattopadhyay, A., Panigrahi, A., Paul, G. & Panigrahi, S., 15 Dec 2015, In : Bengal Heart Journal. p. 9-19 11 p.

Research output: Contribution to journal › Article

Arsenic
Cardiovascular Diseases
HIV
Vascular Diseases
Atherosclerosis

Temporal dynamics in an immunological synapse: role of thermal fluctuations in signaling

Bush, D. R. & Chattopadhyay, A. K., 6 Jul 2015, In : Physical Review E. 92, 8 p., 012706.

Research output: Contribution to journal › Article

Open Access
File
synapses
Synapse
Fluctuations
Survival Probability
Time Scales
2014

Contact time periods in immunological synapse

Bush, D. R. & Chattopadhyay, A. K., 8 Oct 2014, In : Physical Review E. 90, 4, 6 p., 042706.

Research output: Contribution to journal › Article

Open Access
File
synapses
Synapse
T-cells
Integrin
Contact

Cross-correlation-aided transport in stochastically driven accretion flows

Kumar Nath, S. & K. Chattopadhyay, A., 24 Dec 2014, In : Physical Review E. 90, 6, 10 p., 063014.

Research output: Contribution to journal › Article

Open Access
File
Accretion
Cross-correlation
cross correlation
Temporal Correlation
vorticity

New oil modified acrylic polymer for pH sensitive drug release: experimental results and statistical analysis

Panja, N. & Chattopadhyay, A. K., 7 Nov 2014, In : Journal of Advances in Natural Sciences. 3, 1

Research output: Contribution to journal › Article

File
Acrylics
Statistical methods
Polymers
Oils
Pharmaceutical Preparations
2013

Interacting nonequilibrium systems with two temperatures

Alamino, R. C., Chattopadhyay, A. & Saad, D., 17 May 2013, In : Physical Review E. 87, 5, 7 p., 052123.

Research output: Contribution to journal › Article

Open Access
File
Nonequilibrium Systems
Non-equilibrium
functional analysis
statistical mechanics
baths

Magnetohydrodynamic stability of stochastically driven accretion flows

Nath, S. K., Mukhopadhyay, B. & Chattopadhyay, A. K., 17 Jul 2013, In : Physical Review E. 88, 1, 013010.

Research output: Contribution to journal › Article

Open Access
File
Accretion
magnetohydrodynamic stability
shear flow
magnetohydrodynamics
perturbation

Seasonal variations of EPG levels in gastro-intestinal parasitic infection in a southeast asian controlled locale: a statistical analysis

Chattopadhyay, A. K. & Bandyopadhyay, S., 6 May 2013, In : SpringerPlus. 2, 1, p. 1-9 9 p.

Research output: Contribution to journal › Article

Open Access
File
statistical analysis
seasonal variation
egg
rainfall
humidity

Stochastically driven instability in rotating shear flows

Mukhopadhyay, B. & Chattopadhyay, A., 25 Jan 2013, In : Journal of Physics A: Mathematical and Theoretical. 46, 3, 17 p., 035501.

Research output: Contribution to journal › Article

Open Access
File
Rotating Flow
Shear flow
Shear Flow
shear flow
Turbulence
2011

Bose-Einstein condensate in a quartic potential: static and dynamic properties

Chaudhary, G. K., Chattopadhyay, A. & Ramakumar, R., 20 Nov 2011, In : International Journal of Modern Physics B. 25, 29, p. 3927-3940 4 p.

Research output: Contribution to journal › Article

Open Access
File
Bose-Einstein condensates
dynamic characteristics
condensates
bosons
traps

Role of fluctuations in membrane models: thermal versus nonthermal

Chattopadhyay, A. K., 20 Sep 2011, In : Physical Review E. 84, 3, 032101.

Research output: Contribution to journal › Article

Open Access
File
Thermal Model
Membrane
Fluctuations
membranes
Relaxation Time
2010

Income and poverty in a developing economy

Chattopadhyay, A. K., Ackland, G. J. & Mallick, S. K., 22 Sep 2010, In : Europhysics Letters. 91, 5, 6 p., 58003.

Research output: Contribution to journal › Article

File
income
economy
probability density functions
labor
Fokker-Planck equation
2009

Memory effects in a non-equilibrium growth model

Chattopadhyay, A. K., 31 Jul 2009, In : Physical Review E. 80, 1, p. 011144 1 p., 011144.

Research output: Contribution to journal › Article

Open Access
File
Memory Effect
Growth Model
Non-equilibrium
scaling
Non-conservative System

Nonlinear dynamics of cilia and flagella

Chattopadhyay, A. K., Hilfinger, A. & Jülicher, F., 21 May 2009, In : Physical Review E. 79, 5, p. 051918 1 p., 051918.

Research output: Contribution to journal › Article

Open Access
File
Beat
Nonlinear Dynamics
synchronism
Microtubules
Nonlinear Wave Equation
2007

Anisotropic model of kinetic roughening: he strong-coupling regime

Chattopadhyay, A. K., 27 Nov 2007, In : Physical Review E. 76, 5, 4 p., 050103.

Research output: Contribution to journal › Article

Open Access
File
Strong Coupling
Kinetics
kinetics
Continuum Model
Spatial Correlation

Close contact fluctuations: the seeding of signalling domains in the immunological synapse

Chattopadhyay, A. K. & Burroughs, N. J., 5 Feb 2007, In : Europhysics Letters. 77, 4, 5 p., 48003.

Research output: Contribution to journal › Article

Open Access
File
synapses
inoculation
membranes
cells
estimating

Dynamics of anchored polymers under an oscillating force

Chattopadhyay, A. K. & Marenduzzo, D., 20 Feb 2007, In : Physical Review Letters. 98, 8, 4 p., 088101.

Research output: Contribution to journal › Article

Open Access
File
polymers
stiffness
crossovers
signatures
cycles

Income distribution dependence of poverty measure: a theoretical analysis

Chattopadhyay, A. K. & Mallick, S. K., Apr 2007, In : Physica A. 377, 1, p. 241-252 12 p.

Research output: Contribution to journal › Article

Open Access
File
income
Income Distribution
Poverty
Theoretical Analysis
inflection points
2006

N-dimensional electron in an anharmonic potential: the large-N limit

Chattopadhyay, A. K., 4 Sep 2006, In : Physics Letters A. 357, 2, p. 108-111 4 p.

Research output: Contribution to journal › Article

energy levels
many body problem
eigenvectors
electrons
expansion
2005

Universality in the merging dynamics of parametric active contours: a study in MRI based lung segmentation

Chattopadhyay, A. K., Ray, N. & Acton, S. T., 21 Jun 2005, In : New Journal of Physics. 7, 11 p., 148.

Research output: Contribution to journal › Article

lungs
snakes
ventilation
imagery
magnetic resonance
2004

Dynamics of linear polymers in random media

Chakrabarti, B. K., Chattopadhyay, A. K. & Dutta, A., 15 Feb 2004, In : Physica A. 333, p. 34-40 7 p.

Research output: Contribution to journal › Article

Open Access
File
Random Media
Scaling Theory
Polymers
Disordered Media
polymers

Fluctuations and correlations in sandpiles and interfaces with boundary pinning

Alava, M. J. & Chattopadhyay, A. K., 20 Jan 2004, In : Physical Review E. 69, 1 2, 5 p., 016104.

Research output: Contribution to journal › Article

Sandpiles
Fluctuations
Critical State
Temporal Correlation
thermal noise
2003

Dynamics of pulsed flow in an elastic tube

Chattopadhyay, A. K. & Sil, S., 20 Oct 2003, In : International Journal of Modern Physics B. 17, 26, p. 4619-4629 11 p.

Research output: Contribution to journal › Article

Open Access
File
tubes
hemorrhages
mammals
viscous fluids
arteries
2002

Pair breaking and bound states in disordered superconductors

Chattopadhyay, A. K., Klemm, R. A. & Sa, D., 12 Aug 2002, In : Journal of Physics: Condensed Matter. 14, 31, p. L577-L582 6 p.

Research output: Contribution to journal › Article

Open Access
File
Superconducting materials
Impurities
impurities
disorders
Born approximation

Thermal re-emission model

Chattopadhyay, A. K., 4 Jan 2002, In : Physical Review B. 65, 4, 4 p., 41405.

Research output: Contribution to journal › Article

Open Access
File
Invariance
Vapor pressure
exponents
Etching
Surface roughness

The role of pinning and instability in a class of non-equilibrium growth models

Chattopadhyay, A. K., Oct 2002, In : European Physical Journal B: Condensed Matter and Complex Systems. 29, 4, p. 567-576 10 p.

Research output: Contribution to journal › Article

curvature
continuums
numerical integration
flat surfaces
nonlinearity
2001

Wall-bounded turbulent shear flow: Analytic result for a universal amplitude

Chattopadhyay, A. K. & Bhattacharjee, J. K., Jan 2001, In : Physical Review E. 63, 1 , 7 p., 016306.

Research output: Contribution to journal › Article

Open Access
File
Turbulent Boundary Layer
turbulent boundary layer
Flat Plate
Shear Flow
Velocity Profile
2000

Coupled nonequilibrium growth equations: self-consistent mode coupling using vertex renormalization

Chattopadhyay, A. K., Basu, A. & Bhattacharjee, J. K., 1 Feb 2000, In : Physical Review E. 61, 2, p. 2086-2088 3 p., 2086.

Research output: Contribution to journal › Article

Open Access
File
Mode Coupling
Renormalization
coupled modes
Non-equilibrium
apexes

Lyoluminescence: a theoretical approach

Chattopadhyay, A. K., Mahapatra, G. S. & Chaudhury, P., 1 Jul 2000, In : Physical Review B. 62, 2, p. 906-909 4 p.

Research output: Contribution to journal › Article

Open Access
File
light water
systems analysis
radiative recombination
curves
numerical integration
1999

Nonlocal Kardar-Parisi-Zhang equation with spatially correlated noise

Chattopadhyay, A. K., 1 Jul 1999, In : Physical Review E. 60, 1, p. 293-296 4 p.

Research output: Contribution to journal › Article

Open Access
File
Correlated Noise
Renormalization Group
Exponent
exponents
Long-range Interactions
1998

Self-consistent mode coupling and the Kardar-Parisi-Zhang equation with spatially correlated noise

Chattopadhyay, A. K. & Bhattacharjee, J. K., 15 Apr 1998, In : Europhysics Letters. 42, 2, p. 119-123 5 p.

Research output: Contribution to journal › Article

coupled modes
predictions