Physics Department

Designation: Professor

M.Sc. (Ranchi University), Ph.D. (IISc, Bangalore)

Condensed Matter Physics, Statistical Physics (Stochastic resonance, Thermal ratchets), Fluid Mechanics (Experiment)

Research Associate/Post-doctoral Fellow (University of Hyderabad; Banaras Hindu University; Institute of Physics, Bhubaneswar), Lecturer (Guru Ghasidas University, Bilaspur, 1997-2003), Reader/Associate Professor (North-Eastern Hill University, 2003-2013), Professor (NEHU, 2013-)

- JER/SRF (CSIR), Regular Associateship (ICTP, Triste, Italy, 2002-2009)

- Name of student: Mr. Shantu Saikia

Registration No.: 998 of 28.10.2005

Title of the Thesis: Noise Assisted Phenomena in Physical Systems

Status: AWARDED (30th August, 2011) - Name of student: Ms. Wandahun Longtrai Reenbohn

Registration No.: 1137 of 23.4.2007

Title of the Thesis: Study of particle motion in underdamped periodic systems

Status: Awarded - Name of student: Mr. Donrich Kharkongor

Registration No.: 1805 of 08.9.2011

Title of the Thesis: Study of transport phenomena in noisy environment

Status: Awarded - Name of student: Mr. Ivan Skhem Sawkmie

Registration No.: 2295 of 18.10.2013

Title of Thesis: Study of stochastic resonance in sinusoidal potentials by analog

simulation experiment

Status: Registered - Name of student: Mr. Wellstandfree K. Bani

Registration No.: 2296 of 18.10.2013

Title of the Thesis: Study of instability of liquid jets under gravity

Status: Registered

- In-charge (Computer Centre)

- ”Study of stochastic phenomena in physical systems”

Funding Agency: BRNS (No. 98/37/18/BRNS Cell/678 Dt. 20.11.98)

PI: M.C. Mahato, Collaborator: A.M. Jayannavar

Status: Completed - ”Particle motion in noisy environment”

Funding Agency: BRNS (No. 2004/37/11/BRNS/679 Date: 27/6/2005)

PI: M.C. Mahato, Collaborator: A.M. Jayannavar

Status: Completed - ”Study of transport properties in driven periodic systems”

Funding Agency: BRNS (No. 2009/37/17/BRNS/1959 Date: 20/10/2009)

PI: M.C. Mahato, Collaborator: A.M. Jayannavar

Status: Completed

- Mangal C. Mahato, M.R. Lakshmi, R. Pandit, and H.R. Krishnamurthy, Phys. Rev. A 38, 1049-1064 (1988).

(Liquid-mesophase-solid transitions: Systematics of a density-wave theory) - Mangal C. Mahato, H.R. Krishnamurthy, and T.V. Ramakrishnan, Phys. Rev. B44, 9944-9966 (1991).

(Phonon dispersion of crystalline solids from the density-functional theory of freezing) - Mangal C. Mahato, and S.R. Shenoy, Physica A 186, 220-230 (1992). (Hysteresis as rate competition: a Landau model example)
- Mangal C. Mahato, and S.R. Shenoy, J. Stat. Phys. 73, 123-145 (1993). (Langevin Dynamic Simulation of Hysteresis in a Field-Swept Landau potential)
- B. Chattopadhyay, Mangal C. Mahato, and S.R. Shenoy, Phys. Rev. B47, 15159-15169 (1993). (Vortex-loop crinkling in the three-dimensional XY model: Numerical evidence in support of an ansatz)
- Mangal C. Mahato, and S.R. Shenoy, Phys. Rev. E50, 2503-2512 (1994). (Hysteresis loss and stochastic resonance: A numerical study of a double-well potential)
- A.M. Jayannavar, and Mangal C. Mahato, Pramana-J. Phys. 45 369-376 (1995). (Macroscopic Equation of Motion in inhomogeneous media: A Microscopic Treatment)
- Mangal C. Mahato, and A.M. Jayannavar, Phys. Lett. A209, 21-25 (1995). (Synchronized First-Passages in a Double-Well System Driven by Asymmetric Periodic Field)
- Mangal C. Mahato, and A.M. Jayannavar, Indian J. Phys. 70A, 693-696 (1996). (Driven asymmetric passages in a two-well system)
- Mangal C. Mahato, T.P. Pareek, and A.M. jayannavar, Int. J. Mod. Phys. B10, 3857-3873 (1996). (Enslaving random fluctuations in nonequilibrium systems)
- Mangal C. Mahato, and A.M. Jayannavar, Phys. Rev. E55, 6266 (1997). (Relation between Stochastic Resonance and Synchronisation of passages in a Double-Well system)
- Mangal C. Mahato, and A.M. Jayannavar, Phys. Rev. E55, 3716 (1997). (Asymmetric motion in a double-well under the action of zero-mean Gaussian white noise and periodic forcing)
- T.P. Pareek, Mangal C. Mahato, and A.M. Jayannavar, Phys. Rev. B55, 9318 (1997). (Stochastic resonance and nonlinear response in a dissipative quantum two-state system)
- Mangal C. Mahato, and A.M. Jayannavar, Mod. Phys. Lett. B11, 815 (1997). (Two-Well system under Large Amplitude Periodic Forcing: Stochastic Synchronization, Stochastic Resonance and Stability)
- Mangal C. Mahato, and A.M. Jayannavar, Physica A248, 138 (1998). (Some stochastic phenomena in a driven double-well system)
- T.P. Pareek, Mangal C. Mahato, and A.M. Jayannavar, Mod. Phys. Lett. B11, 861 (1997). (Dynamical hysteresis and stochastic resonance in a driven dissipative quantum two-level system)
- Mangal C. Mahato, and A.M. Jayannavar, Phys. Education (India) 15, 323 (1999). (Stochastic Resonance)
- D. Dan, Mangal C. Mahato, and A.M. Jayannavar, Phys. Lett. A258, 217 (1999). (Stochastic Resonance in Washboard Potentials)
- D. Dan, Mangal C. Mahato, and A.M. Jayannavar, Phys. Rev. E60, 6421 (1999). (Mobility and stochastic resonance in spatially inhomogeneous systems)
- D. Dan, Mangal C. Mahato, and A.M. Jayannavar, Int. J. Mod. Phys. 14B, 1585 (2000). (Efficiency and current reversals in spatially inhomogeneous ratchets)
- D. Dan, Mangal C. Mahato, and A.M. Jayannavar, Physica 296A, 375 (2001) / Cond-mat 0006244. (Motion in a rocked ratchet with spatially periodic friction)
- D. Dan, Mangal C. Mahato, and A.M. Jayannavar, Phys. Rev. E63, 56307 (2001) / Cond-mat 000860. (Multiple current reversals in forced inhomogeneous ratchets)
- D. Dan, A.M. Jayannavar, and Mangal C. Mahato, Indian J. Phys. 76A, 57-60 (2002). (AC driven thermal ratchets)
- Mangal C. Mahato, and A.M. Jayannavar, Physica A 318, 154-160 (2003) / Cond-mat 0101425. (Enhancement of mobility by periodically modulating the slanting slope of a washboard potential)
- Mangal C. Mahato, and A.M. Jayannavar, Resonance - Journal of Science Education 8(7), 33-45 (2003). (Noise assisted motion at the molecular level (I))
- Mangal C. Mahato, and A.M. Jayannavar, Resonance - Journal of Science Education 8(9), 04-13 (2003). (Noise assisted motion at the molecular level (II))
- R. Krishnan, M.C. Mahato, and A.M. Jayannavar, Phys. Rev. E70, 021102 (2004). (Brownian rectifiers in the presence of temporally asymmetric unbiased forces)
- M.C. Mahato, Indian J. Phys. 78, 693 (2004). (Mobility of a forced Brownian particle)
- R. Krishnan, M.C. Mahato, and A.M. Jayannavar, Indian J. Phys. 79, 947 (2005). (Noise induced transport and energetics in adiabatically rocked time asymmetric ratchets)
- M. Sahoo, M.C. Mahato, and A.M. Jayannavar, Physics Letters A 361, 413-417 (2006). (Supersymmetry and Fokker-Planck dynamics in periodic potentials)
- M. Sahoo, S. Saikia, M.C. Mahato, and A.M. Jayannavar, Physica A 387, 6284-6292 (2008). (Stochastic resonance and heat fluctuations in a driven double-well system)
- W.L. Reenbohn, S. Saikia, R. Roy, and M.C. Mahato, Pramana - J. Phys. 71, 297-306 (2008). (Motional dispersions and ratchet effect in inertial systems)
- W.L. Reenbohn,and M.C. Mahato, J. Stat. Mech., P03011 (2009). (Net particle current in an adiabatically driven unbiased inhomogeneous inertial system in a periodic potential)
- S. Saikia, and M.C. Mahato, J. Phys. - Condens. Matter 21, 175409 (2009). (Dispersionless motion and ratchet effect in a square-wave driven inertial periodic potential system)
- S. Saikia, and M.C. Mahato, Phys. Rev. E 80, 062102 (2009). (Dispersionless motion in a periodically rocked periodic potential)
- S. Saikia, and M.C. Mahato, Physica A 389, 4052 (2010). (Deterministic inhomogeneous inertia ratchets) S. Saikia, A.M. Jayannavar, and M.C. Mahato, Phys. Rev. E 83, 061121 (2011). (Stochastic resonance in periodic potentials)
- W.L. Reenbohn, S.S. Pohlong, and M.C. Mahato, Phys. Rev. E 85, 031144 (2012). (Periodically driven underdamped periodic and washboard potential systems: Dynamical states and stochastic resonance)
- W.L. Reenbohn, and M.C. Mahato, Phys. Rev. E 88, 032143 (2013). (Relative stability of dynamical states and stochastic resonance in a sinusoidal potential)
- W.L. Reenbohn, and M.C. Mahato, Phys. Rev. E 91, 052151 (2015). (Dynamical states, stochastic resonance, and ratchet effect in a biharmonically driven sinusoidal potential)
- D. Kharkongor, W.L. Reenbohn, and M.C. Mahato Phys. Rev. E 94, 022148 (2016). (Particle dynamics in a symmetrically driven underdamped inhomogeneous periodic potential system)
- D. Kharkongor, W.L. Reenbohn, and M.C. Mahato J. Stat. Mech.: Theory and Experiment (2018) 033209 (Inertial frictional ratchets and their load bearing efficiencies)
- D. Kharkongor, and M.C. Mahato Eur. J. Phys. 39, 065002 (2018). (Resonance oscillation of a damped driven simple pendulum)
- Ivan S. Sawkmie, and Mangal C. Mahato Commun Nonlinear Sci Numer Simulat 78, 104859 (2019). (Stochastic resonance in a sinusoidal potential system: An analog simulation experiment)
- Ivan S. Sawkmie, and Mangal C. Mahato (The two dynamical states of a driven underdamped classical pendulum: An analog simulation experiment)
- Wellstandfree K. Bani, and Mangal C. Mahato arXiv: 1608.04915 (Study of instability of liquid jets under gravity)

- ”Physics of positionally disordered materials”

Organised by Physics Department, BHU, Varanasi (1986).

Poster: Liquid-mesophase-solid transitions: Systematics of a density-wave theory - ”InternationalWorkshop on Statistical Physics of Disordered Solids, Polymers, etc.” Organised by S.N. Bose National Centre for Basic Sciences, Calcutta (1991-92)

Invited Talk: Hysteresis as rate competition: a Landau model example - ”International Workshop on Clusters and Nanostructured Materials” Organised by Institute of Physics, Bhubaneswar (1994)
- ”Condensed Matter Days 1995” organised by Institute of Physics, Bhubaneswar (1995)

Oral: Driven asymmetric passages in a two-well system - ”International Workshop on Condensed Matter Theories, CMT-XX” organised by Department of Physics, University of Pune, Pune (1996)
- ”Condensed Matter Days 2000” organised by Guru Ghasidas University, Bilaspur (2000)

Poster: AC driven thermal ratchets - ”DAE Solid State Physics Symposium 2000, Bilaspur”
- ”DAE Solid State Physics Symposium, BARC Mumbai, 2001”

Poster: Instability of water jet under gravity - Solid State Physics (India) 44, 167 (2001).

Invited Talk: Noise is not always a nuisance - Solid State Physics (India) 44, 636 (2001).
- ”International Conference on Statistical Physics - Kolkata IV organised by SNBNCBS and IACS, Kolkata (2002)

Invited Talk:Enhancement of mobility by periodically modulating the slanting slope of a washboard potential - ”Condensed Matter Days 2003” Organised by Jadavpur University, Kolkata (2003)

Poster: Mobility of a forced Brownian particle - ”Workshop on Noise and Instabilities in Quantum Mechanics” organised by The Abdus Salam ICTP, Trieste, Italy (3-7 October, 2005)
- ”Condensed Matter Days 2006” Organised by Tezpur University, Tezpur (August 29-31, 2006)

Posters: 1. ”Friction dependent mobility of an underdamped particle” (with S.S. Pohlong)

Posters: 2. ”Ratchet effect in underdamped inhomogeneous systems” (with R. Roy and S. Saikia) - “51
^{st}DAE Solid State Physics Symposium, Bhopal (Dec. 26-30, 2006)”

Poster: Ratchet effect in inhomogeneous systems (with R.Roy and S. Saikia) Solid State Physics (India) 51, 757(2006) - ”StatPhys-Kolkata VI”, 5-9 January 2007 organized by Saha Institute of Nuclear Physics, Kolkata, and University of Calcutta, Kolkata

Poster: Ratchet effect in underdamped inhomogeneous systems - ”International Workshop and Conference on Statistical Physics Approaches to Multi-disciplinary Problems, IIT Guwahati (07-13 January, 2008)

Invited Talk: Motional dispersions and ratchet effect in inertial systems

Poster: (with S.S. Pohlong) Jump-length distribution in underdamped periodic systems - ”Summer College on Nonequilibrium Physics from Classical to Quantum Low Dimensional Systems” organised by The Abdus Salam ICTP, Trieste, Italy (6-24 July, 2009)
- ”6th National Conference on Nonlinear Systems and Dynamics”, Bharathidasan University, Tiruchirapalli (January 27-30, 2011)

Invited Talk: Stochastic resonance in periodic potentials - ”National Workshop on Computational Physics”, Mizoram University, Aizawl (February 14-19, 2011)

Invited Talks: Solution of Langevin equations. - ”Indian Statistical Physics Community Meeting”’ ICTS, TIFR Bangalore (February, 2014)

Invited Talk: Particle motion in driven sinusoidal potentials. - ”Indian Statistical Physics Community Meeting”’ ICTS, TIFR Bangalore (February 12-14, 2016)

Invited Talk: Stochastic resonance and ratchet effect in sinusoidal potentials: Numerical and some experimental results. - ”Physics Association of the North East (PANE) Conference” St. Anthony’s College, Shillong (November 9-11, 2016)

Invited Talk: Instability of water jet under gravity: An experiment - “S.C. Dutta Memorial Lecture” Shillong College, Shillong (November 15, 2016)

Invited Lecture: Ohm’s Law and related problems. - ”National Conference on Hard and Soft Condensed Matter Physics” Tezpur University, Tezpur (March 2-4, 2017)

Invited Talk: An experment on what causes a water jet to breakup. - DAE Solid State Physics Symosium (2016, Bhubaneswar, poster presented by Wellstandfree K. Bani) W.K. Bani, and M.C. Mahato Study of instability of liquid jets under gravity

AIP Conf. Proc. 1832. 0600083-1-060008-3; doi: 10.1063/1.4980413. - DAE Solid State Physics Symosium (2016, Bhubaneswar, poster presented by D.Kharkongor) D. Kharkongor, S. saikia, A.M. Jayannavar, M.C. Mahato, and W.L. Reenbohn
- Particle dynamics in a symmetrically driven underdamped inhomogeneous periodic potential system

AIP Conf. Proc. 1832. 110023-1-11023-3; doi: 10.1063/1.4980647. - Condensed Matter days-2017 Tezpur University, Tezpur (August 29-31, 2017)

Invited Talk: Resonance oscillation of a damped driven simple pendulum. - 62nd DAE Solid State Physics Symposium Bhabha Atomic Research Centre, Mumbai (December 26-30, 2017)

Invited Talk: Instability of water jets and recoil capillary waves.

- Condensed Matter Days – 2000

Guru Ghasidas University, Bilaspur (August 29-31, 2000)

Convener: M.C. Mahato

No. of Participant: External-67, Local-15

Proceedings Published in :

Indian Journal of Physics Vol. 76A, Number 1 (January 2002)

No. of Papers pubished: 25

Guest Editor: M.C. Mahato - Condensed Matter Days – 2004

Department of Physics, North-Eastern Hill University, Shillong

(August 25-27, 2004)

Convener: M.C. Mahato

No. of Participants: 91

Proceedings Published in :

Indian Journal of Physics Vol. 79, Number 9 (September 2005)

No. of Papers pubished: 27

Guest Editor: M.C. Mahato

Reviewer: Praman J. Phys., Physica A, Physical Rev. E, Int. J. Mod. Phys. B, J. Stat. Mech. Expt. Theory