Publications

Publications

In Refereed Journals:

1. "Effect of light-assisted tunable interaction on the position response function of cold atoms", Anirban Misra, Urbashi Satpathi, Supurna Sinha, Sanjukta Roy and Saptarishi Chaudhuri, Optics Letters 49, 4377-4380 (2024). https://doi.org/10.1364/OL.532095

2. “Quantum Technologies with Rydberg atoms”, Shovan Kanti Barik, Aishwarya Thakur, Yashica Jindal, Silpa B S and Sanjukta Roy, Frontiers in Quantum Science and Technology 3 1426216 (2024). Article

3. “Doppler-Enhanced Quantum Magnetometry with Thermal Rydberg atoms”, Shovan Kanti Barik, Silpa B S, M Venkat Ramana, Shovan Dutta, and Sanjukta Roy, New J. Phys. 26 073036 (2024).  Article

4. “Quantum Technologies with cold Rydberg atoms and atomic spins”, Silpa B S, Sayari Majumder and Sanjukta Roy, Physics News, IPA, 53 53-57 (2023). 

5. “Quantum Sensing Unveiled: The Power of Rydberg Atoms", Sanjukta Roy, Quantum Vibes, Q3 04 (2023). Article

6. "Fast-loaded dual-species magneto-optical trap of cold sodium and potassium atoms with light-assisted inter-species interaction" Sagar Sutradhar, Anirban Misra, Gourab Pal, Sayari Majumder, Sanjukta Roy, Saptarishi Chaudhuri, AIP Advances 13 (6) (2023). (Selected as Editor's pick and featured article on the Journal cover page, Highlighted By the Department of Science and Technology, India as well as prominent Newspapers: Times of India, The Hindu)

7. "Transition frequency measurement of highly excited Rydberg states of 87Rb for a wide range of principal quantum numbers", Silpa B S, Shovan Kanti Barik, Saptarishi Chaudhuri, and Sanjukta Roy, Optics Continuum 1 (5), 1176-1192 (2022). Highlighted by Department of Science and Technology (DST), India 

8. "Measurements and analysis of response function of cold atoms in optical molasses", Subhajit Bhar, Maheswar Swar, Urbashi Satpathi, Supurna Sinha, Rafael Sorkin, Saptarishi Chaudhuri, Sanjukta Roy Optics Continuum 1 (2), 171-188 (2022). 

9. Detection of spin coherence in cold atoms via Faraday rotation fluctuations, Maheswar Swar, Dibyendu Roy, Subhajit Bhar, Sanjukta Roy, and Saptarishi Chaudhuri, Phys. Rev. Research 3, 043171 (2021). Highlighted by Department of Science and Technology (DST), India

10. “Measurements of spin properties of atomic systems in and out of equilibrium via noise spectroscopy”, Maheswar Swar, Dibyendu Roy, Dhanalakshmi D, Saptarishi Chaudhuri, Sanjukta Roy, and Hema Ramachandran, Optics Express 26, 32168 (2018). (Highlighted in Research matters: Spinning our way into the world of atoms)

11. “Measurement of the mobility edge for 3D Anderson localization”, G. Semeghini, M. Landini, P. Castilho, S. Roy, A. Trenkwalder, G. Spagnolli, M. Fattori, M. Inguscio and G. Modugno, Nature Physics 11, 554 (2015) (Highlighted in Nature Physics: News and Views).

12. “ Test of the universality of the three-body Efimov parameter at narrow Feshbach resonances”, Sanjukta Roy, Manuele Landini, Andreas Trenkwalder, Giulia Semeghini, Giacomo Spagnolli, Andrea Simoni, Marco Fattori, Massimo Inguscio and Giovanni Modugno, Phys. Rev. Lett. 111, 053202 (2013) (Selected as Editor’s suggestion letter and highlighted in Physics section of APS))

13. “Direct evaporative cooling of 39K atoms to Bose-Einstein condensation”, M. Landini, S. Roy, G. Roati, A. Simoni, Giovanni Modugno, Massimo Inguscio, Marco Fattori, Phys. Rev. A, 86, 033421 (2012).

14. “Sub-Doppler laser cooling of potassium atoms”, M. Landini, S. Roy, L. Carcagni, D. Trypogeorgos, M. Fattori, M. Inguscio , G. Modugno, Phys. Rev. A, 84, 043432 (2011).

15. “Expansion dynamics of an array of high-density Bose-Einstein condensates produced in a 1D CO2 laser optical lattice”, Sanjukta Roy, Saptarishi Chaudhuri and C. S. Unnikrishnan, Eur. Phys. J. D, 49 231 (2008).

16. “Bose-Einstein condensation in optical traps and in a 1D optical lattice”, Saptarishi Chaudhuri, Sanjukta Roy and C. S. Unnikrishnan, Current Science, 95, 1026 (2008).(Highlighted on cover page)

17. “Evaporative Cooling of Atoms to Quantum Degeneracy in an Optical Dipole Trap.”, Saptarishi Chaudhuri, Sanjukta Roy and C. S. Unnikrishnan, Journal of Physics: Conference Series 80, 012036 (2007) .

18. “Studies on Cold Atoms Trapped in a Quasi-Electrostatic Optical Dipole Trap” , Sanjukta Roy, Saptarishi Chaudhuri and C. S. Unnikrishnan, Journal of Physics: Conference Series 80, 012043 (2007). (Selected for “BEC Matters” section of IOP journals)

19. “Experiments on the reflection of cold atoms from magnetic thin films From atom optics to measurement of short-range forces of short-range forces”, A. K. Mohapatra, S. Chaudhuri, S. Roy, C. S. Unnikrishnan, Eur. Phys. J. D 42, 287298 (2007)

20. “Realisation of an intense cold Rb atomic beam based on a two-dimensional magneto-optical trap: Experiments and comparison with simulations.”, Saptarishi Chaudhuri, Sanjukta Roy and C. S. Unnikrishnan, Phys. Rev. A 74, 023406 (2006).

21. “A Simple and Inexpensive Electronic Wavelength-meter Using a Dual Output Photodiode”, Sanjukta Roy, Saptarishi Chaudhuri and C. S. Unnikrishnan, Am. J. Phys. 73 (6), June 2005.

Books authored:

22. “Ultra-cold Atoms and BEC in a 1D Quasi-Electrostatic Optical Lattice: Basic concepts, Methods and Experiments”, Sanjukta Roy, LAP LAMBERT Academic Publishing, ISBN-10: 3843353557 (October 5, 2010)

Book chapters and Conference Proceedings:

23. “Novel magnetic trap design for ultra-cold metastable helium atoms with large optical access”, Franz Sievers, Juliette Simonet, Sanjukta Roy, Jerome Beugnon, Michele Leduc, Claude Cohen-Tannoudji, Verhandlungen der Deutschen Physikalischen Gesellschaft, Dresden (2011).

24. “Ultra-Cold atoms and Bose-Einstein condensates in Optical Dipole Traps”, Sanjukta Roy, Saptarishi Chaudhuri and C. S. Unnikrishnan, Book Chapter, Laser and Bose-Einstein Condensation Physics, Narosa Publishing House (2010).

25. “Bose-Einstein Condensation of weakly interacting atoms in an Optical dipole trap”, Sanjukta Roy, Saptarishi Chaudhuri and C. S. Unnikrishnan, Contemporary Optics and Optoelectronics, Proceedings of XXXIII OSI Symposium on Optics and Optoelectronics, Tata McGraw-Hill, New Delhi (2007).

26. "Optical Spectroscopy of Spin Noise in alkali vapor", Maheswar Swar, Dibyendu Roy, Dhanalakshmi D., Bhagyalakshmi, D., Saptarishi Chaudhuri, Sanjukta Roy and Hema Ramachandran, Proceedings of International Conference on Molecular Spectroscopy, Kottayam, India (2017).

27. “Measurements of temporal fluctuations of magnetisation in alkali vapour and applications”, Maheswar Swar, Dibyendu Roy, Dhanalakshmi D., Saptarishi Chaudhuri, Sanjukta Roy and Hema Ramachandran, Book Chapter, Emerging Trends in Advanced Spectroscopy, River Publisher, 2019.