Ajay Nath

Assistant Professor, (Science, Math, & Humanities)

Academic Qualifications

PhD (Physics): Indian Institute of Technology Patna, India

Contact

Email: ajay.nath [at] iiitvadodara [dot] ac [dot] in

Quantum simulation with ultracold atoms, optical lattices, solitons.

Professional Experience:

1st April 2021 – Till Now

Assistant Professor (Grade-I, Level 12)

Indian Institute of Information Technology Vadodara

22nd July 2016 – 31st March 2021

Assistant Professor (Grade-II, Level 11)

Indian Institute of Information Technology Vadodara

22nd July 2015 – 21st July 2016

Assistant Professor (Grade-II, Level 10)

Indian Institute of Information Technology Vadodara

15th June 2015 – 21st July 2015

Faculty Associate (Consolidated)

Indian Institute of Information Technology Vadodara

Administrative Experience:

 

S. No.

 

Capacity

 

Nature of work

 

 

Duration in years

1.

Associate Dean (Student Affairs)

Responsible for coordinating all student related activities, discipline

Mar, 2023 – Till now

2.

Prof-in-Charge (Convocation)

In charge of 5th Institute convocation

Sept 2022

3.

Nodal Officer

(Institute Social Media)

Responsible for handling social media handles of Institute

Sept, 2020 – Till now

 

4.

Prof-in-Charge (Student Affairs)

Prof-in-Charge (Cultural/Literature)

Chairman,

Institute Discipline Action Committee Member,

Internal Complaints Committee

Responsible for coordinating all student related activities, and discipline

Sept, 2017 – Oct, 2022

5.

Warden

(Boys Wing) Chairman,

Hostel Executive Committee

Chairman,

Anti-Ragging committee

Responsible for coordinating all activities of hostel and Mess

Sept, 2017 – May, 2019

6.

Member,

Project and Innovation Cell

Responsible for Project and innovation related activities in Institute

Sept, 2017 – May 2019

7.

Convener,

Sports & Cultural Committee,

IIIT Vadodara Member,

Hostel Executive Committee, 

IIIT Vadodara Member,

Anti-Ragging Committee

Mentoring Sports & Cultural activities in IIIT Vadodara Administering Hostel activities in IIIT Vadodara

Nov, 2015 – Sept, 2017

8.

Member,

Training & Placement Cell, IIIT Vadodara Member,

Admission Committee,

IIIT Vadodara

Establishing Training & Placement activities at IIIT Vadodara Registration of students at IIIT Vadodara

Nov, 2015 – Sept, 2016

Courses taught at IIIT Vadodara

PH 802: Mathematical Physics and Numerical Methods
PH 803: Review of Quantum Mechanics
PH 807: Physics of Ultra Cold Atoms
SC 405: Computational Physics
SC 305: Modern Optics
SC 308: Fundamental of Photonics
PH 100: Mechanics and Thermodynamics
PH 120: Waves and Electromagnetics
PH 170: Mechanics and Thermodynamics Laboratory
PH 180: Waves and Electromagnetics Laboratory
MA 102: Calculus
CS 305: Numerical Linear Algebra

PhD Students

  1. Saurabh Das, (Since August 2022) [Working on quantum simulation with ultradilute quantum droplets under external confinements]
  2. Maitri R. Pathak (201773002), Ph.D awarded on thesis entitled “Analytical investigation of 1D Quantum Droplets under a variety of External Traps and in presence of mean-field and beyond mean-field inter-atomic interactions”

Invited Talks and seminars

  1. Delivered talk on “1D quantum droplets in presence of external confinements” at International Conference on "Complexity and Nonlinear Dynamics in STEM (CNLD-2023)", 05th- 07th June, 2023 at IIT Hyderabad.
  2. Talk on Dynamics of Matter wave solitons under bi-chromatic optical lattice and cubic-quintic interactions, International Conference on Quantum and Nonlinear Optics, 22nd-26th July, 2019, University of Malaya, Kuala Lumpur, Malaysia.
  3. Chaired session on Ultracold Quantum Matter at International Conference on Quantum and Nonlinear Optics, 22nd-26th July, 2019, University of Malaya, Kuala Lumpur, Malaysia.
  4. Nonlinear excitations in bi-chromatic Optical lattices, International Conference on Quantum and Atom Optics, 16th -18th December, 2018, IIT Patna, India.

Conferences

  1. Poster entitled "Coherent control of 1D quantum droplets in presence of parabolic trap" (Saurabh Das, and Ajay Nath) at 9th Topical Conference (TC) on Ultrafast Photonics and Quantum Science, 15-17 February, 2024, Physical Research Laboratory, Ahmedabad.
  2. Poster entitled "ID quantum doplets in temporarly varying parabolic confinement" (Saurabh Das, and Ajay Nath) at International Conference on "Complexity and Nonlinear Dynamics in STEM (CNLD-2023)" between 05-07th June, 2023 at IIT Hyderabad.
  3. Poster entitled “Dynamics of quantum droplets at negative temperature” (Maitri R. Pathak and Ajay Nath) at National Conference on Atomic and Molecular Physics (NCAMP) 2023 at IIST Thiruvananthapuram, Kerala, India.
  4. Poster entitled “Pattern formation on quantum droplet in the presence of quasi-periodic optical lattice” (Maitri R. Pathak and Ajay Nath) at “777. WE-Heraeus-Seminar on Ultracold Quantum Matter: Basic Research and Applications” at Physikzentrum Bad Honnef, Germany on 12-16 December, 2022 (Virtual Meet).
  5. Delivered short talk on "Generation of solitary matter waves at hottest negative temperature" in 735. WE-Heraeus-Seminar on 'Exploring Quantum Many‐Body Physics with Ultracold Atoms and Molecules at Physikzentrum Bad Honnef, Germany on 14-18 December, 2020.
  6. Poster entitled “Exact analytical model for transport of 1D Bose-Einstein condensate under external waveguide” (Ajay Nath and Utpal Roy) at “659. WE-Heraeus-Seminar: Condensates of Light” at Physikzentrum Bad Honnef, Germany on 14-17 January, 2018.
  7. Poster entitled “Analytical model for cigar-shaped Bose-Einstein condensate under complex external confinements” (Ajay Nath and Utpal Roy) at "Frontiers in Light-Matter Interactions" at Indian Institute of Technology Ropar, India on 4-5 March, 2016.
  8. Presented poster titled "Ultracold atoms at negative temperature" (Ajay Nath and Utpal Roy) at "International Centre for Theoretical Studies Discussion meeting on Light-Matter interactions, IACS Kolkata, India on 19-22 December, 2014.
  9. Poster entitled “Solitary waves in a bi-chromatic optical lattice potentials under two and three-body interactions” (Ajay Nath and Utpal Roy) at "International Seminar on Current Trends in Quantum Gases, BEC and Solitons", 3rd -6th March, 2014 at Panjab University Chandigarh, India.
  10. Poster entitled “Solitary waves of one-dimensional Bose-Einstein condensate in bi-chromatic optical lattice potentials” (Ajay Nath and Utpal Roy) at "8th Conference on Complex nonlinear system dynamics, 2013" at Indian Institute of Technology Indore, Indore from 11-14th December, 2013.
  11. Poster entitled “Trajectory of nonlinear excitations in Bose-Einstein Condensate under sinusoidal trap” (Ajay Nath and Utpal Roy) in the "DAE-BRNS Symposium on Atomic, Molecular and Optical Physics" at Indian Institute of Science Education and Research Kolkata, India December 14-17, 2012.

Workshops/Short terms courses

  1. Participated in the FICCI-SIU Workshop on “Psychological first Aid and Support Group”, held on June 17-18, 2021.
  2. Attended Online Faculty Development Program on "E-Content Development for 21st Century Learners" by NITTTR Chennai from June 15th-19th, 2020.
  3. Organized workshop on “Concepts of Physics through Experiments 2018” (for class XI and XII students) during December 08-09, 2018 at IIIT Vadodara.
  4. Attended Faculty Development Program on “Engineering Mechanics” at Lovely Professional University, Phagwara (Panjab) from 19th – 23rd July, 2010 organized by Punjab Technical University and Lovely Professional University, Phagwara, India.
  5. Attended Short-Term Course on “Carbon Nano Tubes and Carbon in Nano-Technology” at Indian Institute of Technology Kanpur from 22-28.02.2010 organized by Department of Mechanical Engineering and Material Science, IIT Kanpur.
  6. Attended National Workshop on “Ion Beams in Bio-materials” at Inter-University Accelerator Centre, New Delhi on 03.08.2010.

Reviewer

  • New Journal of Physics (IOP)
  • Optical and Quantum Electronics (Springer)
  • Journal of Physics A: Mathematical and Theoretical (IOP)
  • Journal of Physics B: Atomic, Molecular and Optical Physics (IOP)
  • Physica Scripta (IOP)
  • Pramana (Elsevier)

Member of Professional bodies

  • Indian Society of Atomic & Molecular Physics

Google Scholar

  • Saurabh Das, and Ajay Nath, Quantum droplet speed management and supersolid behavior in external harmonic confinement, arXiv: 2407.10463 (2024). (Under review)
  • Maitri R. Pathak, Jayanta Bera, Utpal Roy, and Ajay Nath, Generation of Patterns and higher harmonics in 1D quantum droplets in tilted and driven quasi-periodic confinements, Scientific Reports (Nature portfolio) Accepted (2024).
  • J Jogania, J Bera, A Nath, U Roy, Impurity identification in an ultracold gas of bosons atoms in phase-space, AIP Conference Proceedings 3149 (1), 2024.
  • J Asudhani, R Chahar, S Gaur, A Maurya, P Mazumdar, A Nath, Aug-Labs: Redefining Scientific Education with Smartphone-Integrated Augmented Laboratories, IEEE 11th Region 10 Humanitarian Technology Conference (R10-HTC), 352-358, 2023.
  • S Bhatia, CN Kumar, Ajay Nath, Investigation of one-dimensional quantum droplets in a temporally perturbed external harmonic trap, Physics Letters A 492, 129228, 2023.
  • Ajay Nath, Jayanta Bera, Maitri R. Pathak, and Utpal Roy, Solitary matter waves in a tunable bi-periodic optical lattice with two- and three-body interactions, Eur. Phys. J. D 76, 241 (2022).
  • Maitri R. Pathak and Ajay Nath, Droplet to soliton crossover at negative temperature in presence of bi-periodic optical lattices, Scientific Reports (Nature portfolio) 12, 18248 (2022).
  • Maitri R. Pathak and Ajay Nath, Formation of Matter-Wave Droplet Lattices in Multi-Color Periodic Confinements, Symmetry 14, 963 (2022). [Special Issue Symmetry in Many-Body Physics]
  • Maitri R. Pathak and Ajay Nath, Dynamics of Quantum Droplets in an External Harmonic Confinement, Scientific Reports (Nature portfolio) 12, 6904 (2022). [Top 100 in Physics - 2022]
  • Nilanjan Kundu, Ajay Nath, Jayanta Bera, Suranjana Ghosh and Utpal Roy, Synergy between the Negative Absolute Temperature and the External Trap for a Bose-Einstein Condensate under Optical Lattices, Physics Letters A 427, 127922 (2022).
  • Ajay Nath, J. Bera, S. Ghosh, Utpal Roy, Exact Analytical Model for Bose-Einstein Condensate at Negative Temperature, Scientific Reports (Nature portfolio), 10, 9016 (2020).
  • Ajay Nath, J. Bera, S. Ghosh, P.K. Panigrahi, Utpal Roy, Soliton Dynamics for an Ingenious Trap Combination in a Bose-Einstein Condensate, Eur. Phys. J. D 74, 27 (2020).
  • Ajay Nath and Utpal Roy, Bose-Einstein condensate in a bichromatic optical lattice: an exact analytical model, Laser Physics Letters, 11, 115501 (2014). [Selected as Highlight of 2014 in Physics of cold atom section]
  • Ajay Nath and Utpal Roy, A unified model for an external trap in a cigar-shaped Bose-Einstein condensate, Journal of Physics A: Mathematical and Theoretical 47, 415301 (2014).
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