 |
 |
Dr.
Muktish Acharyya, Lecturer (SG)
ma.phys@presidencycollegekolkata.ac.in,
muktish@vsnl.net
Area of Specialisation: Condensed
Matter Physics
Academic Profile
B.Sc., Physics Honours, Kalyani University, 1986
M.Sc., Physics, Kalyani University, 1988
Ph.D., (SINP), University of Calcutta, 1996
Research Profile
Postdoctoral Fellow, Indian Inst. Of Science,
Bangalore, 1996-97
Postdoctoral Fellow, University of Cologne, Germany,
1997-98
Postdoctoral Fellow, University of Duisberg, Germany,
1998-99
Present Areas of Interest
Multicritical behaviour
Nonequilibrium steady state response
Nonequlibrium time varying response
Magnetic structure at low temperature
Ongoing Research Project
Study of the magnetic spin structure and
its variation with temperature and anisotropy in layered
anisotropic Heisenberg antiferromagnet.
Research Group
Previously collaborated with Prof. B. K.
Chakrabarti (SINP, India), Prof. R. Pandit (IISc,
India), Prof. S. Ramaswamy (IISc, India), Prof. D.
Stauffer (University of Cologne, Germany) and Prof.
K. D. Usadel (University of Duisburg, Germany.
Publications
M. Acharyya, Nonequilibrium multicritical
behaviour in anisotropic Heisenberg ferromagnet driven
by oscillating magnetic field, Int. J. Mod. Phys.
C, 17 (2006) 1107.
M. Acharyya, Nonequilibrium Phase transitions in
model ferromagnets: A review, Int. J. Mod. Phys. C,
16 (2005) 1631.
M. Acharyya, Multiple dynamic phase transitions in
anisotropic Heisenberg ferromagnet driven by polarized
magnetic field, Phys. Rev E, 69 (2004) 027105.
M. Acharyya and A. B. Acharyya, Modelling and computer
simulation of an insurance policy: A search for maximum
profit, Int. J. Mod. Phys. C, 14 (2003) 1041.
M. Acharyya, Axial and off-axial dynamic transitions
in uniaxially anisotropic Heisenberg ferromagnet:
A comparison, Int. J. Mod. Phys. C 14 (2003) 49.
M. Acharyya, Off-axial symmetry breaking in uniaxially
anisotropic Heisenberg ferromagnet, Int. J. Mod. Phys.
C, 12 (2001) 709.
M. Acharyya, A. Basu, R. Pandit, S. Ramaswamy, Phys.
Rev. E, 61 (2000) 1139.
M. Acharyya, U. Nowak and K. D. Usadel, Transverse
ordering of an antiferromagnet in a field with oblique
angle to the easy axis, Phys. Rev. B, 61 (2000) 464.
M. Acharyya, U. Nowak and K. D. Usadel, Phase diagram
of a classical Heisenberg antiferromagnet in a field,
in Structure and Dynamics of Heterogeneous systems,
Eds. P. Entel & D. Wolf, World-Scientific, 2000,
pp 317.
B. K. Chakrabarti and M. Acharyya, Dynamic transitions
and Hysteresis, Rev. Mod. Phys, 71 (1999) 847.
M. Acharyya, Nonequilibrium Phase transition in the
kinetic Ising model: Existence of tricritical point
and stochastic resonance, Phys. Rev. E., 59 (1999)
218.
M. Acharyya and D. Stauffer, Effects of boundary
conditions on the critical spanning probability, Int.
J. Mod. Phys. C, 9 (1998) 643.
M. Acharyya, Nonequlibrium phase transition in the
kinetic Ising model: Is transition point the maximum
lossy point ?, Phys. Rev. E., 58 (1998) 179.
M. Acharyya, Nonequilibrium phase transition in the
kinetic Ising model: Dynamical symmetry breaking by
randomly varying magnetic field, Phys. Rev. E., 58
(1998) 174.
M. Acharyya and D. Stauffer, Nucleation and hysteresis
in Ising model: Classical theory versus computer simulation,
European Physical Journal B, 5 (1998) 571.
M. Acharyya, Comparison of meanfield and Monte Carlo
approaches to dynamic hysteresis in Ising ferromagnets,
Physica A, 253 (1998) 199.
S. S. Mandal and M. Acharyya, Specific heat in the
integer quantum Hall effect: An exact diagonalisation
approach, Physica B, 252 (1998) 91.
M. Acharyya, Zero temperature dynamic transition
in the random field Ising model: A Monte Carlo study,
Physica A, 252 (1998) 151.
M. Acharyya, Nonequilibrium phase transition in the
kinetic Ising model: Critical slowing down and specific-heat
singularity, Phys. Rev. E, 56 (1997) 2407.
M. Acharyya, Nonequilibrium phase transition in the
kinetic Ising model: Divergences of fluctuations and
responses near the transition point, Phys. Rev. E,
56 (1997) 1234.
M. Acharyya, J. K. Bhattacharjee and B. K. Chakrabarti,
Dynamic response of Ising system to a pulsed field,
Phys. Rev. E, 55 (1997) 2392.
M. Acharyya, Nonequilibrium phase transition and
specific-heat singularity in the kinetic Ising model:
A Monte Carlo study, Physica A, 235 (1997) 469.
M. Acharyya, P. Ray and B. K. Chakrabarti, Cluster
statistics in dielectric breakdown, Physica A, 224
(1996) 287.
M. Acharyya and B. K. Chakrabarti, Response of random
dielectric composites and earthquake models to pulses:
Prediction possibilities, Physica A, 224 (1996) 254.
M. Acharyya and B. K. Chakrabarti, Growth of breakdown
susceptibility in random composites and stick-slip
model of earth quakes: Prediction of breakdown voltage
and other catastrophes, Phys. Rev. E, 53 (1996) 140;
Erratum, Phys. Rev. E, 54 (1996) 2174.
M. Acharyya and B. K. Chakrabarti, Response of Ising
systems to oscillating and pulsed fields: Hysteresis,
AC and pulsed susceptibility, Phys. Rev. B, 52 (1995)
6550.
M. Acharyya and B. K. Chakrabarti, Study of response
to pulses and possible prediction of catastrophes,
J. Phys. I (France), 5 (1995) 153.
M. Acharyya and B. K. Chakrabarti, Ising system in
oscillating field: Hysteretic response, in Annual
reviews of computational Physics, Ed. D. Stauffer,
(World-Scientific, Singapore), Vol 1 (1994) 107.
M. Acharyya and B. K. Chakrabarti, AC susceptibility
and hysteresis in Ising magnets, J. Mag. Mag. Mat.,
136 (1994) L29.
M. Acharyya, B. K. Chakrabarti and R. B. Stinchcombe,
Hysteresis in Ising Model in transverse field, J.
Phys. A: Math & Gen, 27 (1994) 1533.
M. Acharyya and B. K. Chakrabarti, Magnetic hysteresis
loops as Lissajous plots of relaxationally delayed
response to periodic field variation, Physica A, 202
(1994) 467.
M. Acharyya, Structural properties of planar random
heap of hard disc, J. Phys. I (France), 3 (1993) 905,
Erratum, J. Phys. I (France), 3 (1993) 2123.
M. Acharyya and B. K. Chakrabarti, Monte Carlo study
of hysteretic response and relaxation in Ising models,
Physica A, 192 (1993) 471.
M. Acharyya, B. K. Chakrabarti and A. K. Sen, Monte
Carlo study of the hysteretic response of two dimensional
Ising system: Scaling behaviour, Physica A, 186 (1992)
231.
B. K. Chakrabarti and M. Acharyya, Instabilities
in a sandpile under vibration, J. Phys. I (France),
2 (1992) 389. |