Dr. Tanay Nag

Assistant Professor
Department of Physics

Quantum Information, Condensed Matter Theory, Topological System, Non-Equilibrium Dynamics
Birla Institute of Technology & Science, Pilani
Hyderabad Campus
Jawahar Nagar, Kapra Mandal
Dist.-Medchal-500 078
Telangana, India


Publication summary: 
Total papers: 48
First author papers: 17
Last author papers:  12
Single author paper: 1
Invited review paper: 2
Highest impact factor paper:  6.497 (Communications Physics, a Nature portfolio journal)
American Physical Society papers: 39 (29 Physical Review B, 5 Physical Review E, 3 Physical Review A, 2 Physical Review Research)
Other papers: 6 (2 Journal of Statistical Mechanics: Theory and Experiment, 1 Europhysics Letters, 1  Journal of Physics: Condensed Matter, 1 European Physical Journal B, 1 International Journal of Modern Physics B)  
Full list of peer-reviewed journal publications: 
46.  Fano resonances for tilted linear and quadratic band touching dispersions in a harmonically driven potential well, A. Gregefalk, A. M. Black-Schaffer, T. Nag, Annalen der Physik (Berlin) 2023, 2300295, DOI: 10.1002/andp.202300295.
45. Engineering anomalous Floquet Majorana modes and their time evolution in a helical Shiba chain,  D. Mondal, A. K. Ghosh, T. Nag, and A. Saha, Physical Review B 108, L081403 (2023).  DOI: 10.1103/PhysRevB.108.L081403.   
Before joining to BITS Pilani Hyderabad campus
44. Third-order Hall effect in the surface-states of topological insulatorT. Nag, S. K. Das, C. Zeng, S. Nandy, Physical Review B 107, 245141 (2023), DOI: 10.1103/PhysRevB.107.245141.  
43. Dipolar quantum spin Hall insulator phase in extended Haldane model, S. Saha, T. Nag, S. Mandal, Euro. Phys. Lett. 142 (2023) 56002. DOI: 10.1209/0295-5075/acd71a
42. Finite temperature dynamical quantum phase transition in a non-Hermitian system, D. Mondal, T. NagPhysical Review B 107, 184311 (2023). DOI: 10.1103/PhysRevB.107.184311
41. Effect of chirality imbalance on Hall transport of PrRhC_2 , B. Sadhukhan, T. NagPhysical Review B 107, L081110 (2023), DOI: 10.1103/Phys-RevB.107.L081110.
40. Time evolution of Majorana corner modes in Floquet second-order topological superconductor, A. K. Ghosh, T. Nag, A. Saha, Physical Review B 107, 035419 (2023), DOI: 10.1103/PhysRevB.107.035419.
39. Topological characterization and stability of Floquet Majorana modes in Rashba nanowire, D. Mondal, A. K. Ghosh, T. Nag, A. Saha, Physical Review B 107, 035427 (2023), DOI: 10.1103/PhysRevB.107.035427.
38. Non-Hermitian higher-order topological superconductors in two-dimension: statics and dynamics, A. K. Ghosh, T. NagPhysical Review B 106, L140303 (2022). DOI: 10.1103/PhysRevB.106.L140303.
37. Anomaly in dynamical quantum phase transition in non-Hermitian system with extended gapless phases, D. Mondal, T. NagPhysical Review B 106, 054308 (2022). DOI: 10.1103/PhysRevB.106.054308.
36. Understanding the three-dimensional quantum Hall effect in generic multi-Weyl semimetals, F. Xiong, C. Honerkamp, D. M. Kennes, T. NagPhysical Review B 106, 045424 (2022). DOI: 10.1103/PhysRevB.106.045424.
35. Correlated disorder induced anomalous transport in magnetically doped topological insulators, T. Okugawa, T. Nag, D. M. Kennes, Physical Review B 106, 045417 (2022). DOI: 10.1103/PhysRevB.106.045417.
34. Distinct signatures of particle-hole symmetry breaking in transport coefficients for generic multi-Weyl semimetalsT. Nag, D. M. Kennes, Physical Review B 105, 214307 (2022). DOI: 10.1103/PhysRevB.105.214307.
33. Dynamical construction of quadrupolar and octupolar topological superconductors, A. K. Ghosh, T. Nag, A. Saha, Physical Review B 105, 155406 (2022). DOI: 10.1103/PhysRevB.105.155406.
32. Systematic generation of the cascade of anomalous dynamical first and higher-order modes in Floquet topological insulators, A. K. Ghosh, T. Nag, A. Saha, Physical Review B 105, 115418 (2022). DOI: 10.1103/PhysRevB.105.115418
31. Electronic structure and unconventional nonlinear response in double Weyl semimetal SrSi_2, B. Sadhukhan, and T. NagPhysical Review B 104, 245122 (2021). DOI: 10.1103/PhysRevB.104.245122.
30. Floquet engineering of low-energy dispersions and dynamical localization in a periodically kicked pseudospin-1 system, L. Tamang, T. Nag, T. Biswas, Physical Review B 104, 174308 (2021). DOI: 10.1103/PhysRevB.104.174308.
29. Periodic and aperiodic dynamics of flat bands in diamond-octagon latticeT. Nag and A. Rajak, Physical Review B 104, 134307 (2021). DOI: 10.1103/PhysRevB.104.134307
28. Hierarchy of higher-order topological superconductors in three dimensions, A. K. Ghosh, T. Nag, A. Saha, Physical Review B 104, 134508 (2021). DOI: 10.1103/PhysRevB.104.134508.
27. Topological Magnus responses in two and three dimensional systems, S. K. Das, T. Nag, and S. Nandy, Physical Review B 104, 115420 (2021) [SKD and TN contributed equally]. DOI: 10.1103/PhysRevB.104.115420.
26. Dynamics of fluctuation correlation in periodically driven classical system, A. Kundu, A. Rajak, T. NagPhysical Review B 104, 075161 (2021). DOI: 10.1103/PhysRevB.104.075161.
25. Anomalous and normal dislocation modes in Floquet topological insulatorsT. Nag, and B. Roy, Communications Physics 4, 157 (2021). DOI: 10.1038/s42005-021-00659-4.
24. Eightfold quantum Hall phases in a time reversal symmetry broken tight binding model, S. Saha, T. Nag, S. Mandal, Physical Review B 103, 235154 (2021). DOI: 10.1103/PhysRevB.103.235154
23. Role of time reversal symmetry and tilting in circular photogalvanic responses, B. Sadhukhan, T. NagPhysical Review B 103, 144308 (2021). DOI: 10.1103/PhysRevB.103.144308.
22. Hierarchy of higher-order Floquet topological phases in three dimensionsT. Nag, V. Juricic, B. Roy, Physical Review B 103, 115308 (2021). DOI: 10.1103/PhysRevB.103.115308
21. Floquet second order topological superconductor based on unconventional pairing, A. K. Ghosh, T. Nag, A. Saha, Physical Review B 103, 085413 (2021). DOI: 10.1103/PhysRevB.103.085413.
20. Floquet generation of a second-order topological superconductor, A. K. Ghosh, T. Nag, A. Saha, Physical Review B 103, 045424 (2021). DOI: 10.1103/PhysRevB.103.045424
19. Thermoelectric transport properties of Floquet multi-Weyl semimetalsT. Nag, A. Menon, and B. Basu, Physical Review B 102, 014307 (2020). DOI: 10.1103/PhysRevB.102.014307
18. Many-body localization in long range model: Real space renormalization group study, R. Modak and T. NagPhysical Review E 101, 052108 (2020). DOI: 10.1103/PhysRevE.101.052108
17. Many-body dynamics in long-range hopping model in the presence of correlated and uncorrelated disorder, R. Modak and T. NagPhysical Review Research 2, 012074(R) (2020). DOI: 10.1103/PhysRevResearch.2.012074
16. Magneto-transport phenomena of type-I multi-Weyl semimetals in co-planar setupsT. Nag and S. Nandy, Journal of Physics: Condensed Matter 33 075504 (2020). DOI: 10.1088/1361-648X/abc310
15. Out of equilibrium higher-order topological insulator: Floquet engineering and quench dynamicsT. Nag, V. Juricic and B. Roy, Physical Review Research 1, 032045(R) (2019). DOI: 10.1103/PhysRevResearch.1.032045.
14. Dynamics of decoherence of an entangled pair of qubits locally connected to a one-dimensional disordered spin chain, S. Mukherjee and T. NagJournal of Statistical Mechanics: Theory and Experiment (2019) 043108. DOI:
13. Dynamical synchronization transition in interacting electron systemsT. Nag, R-J Slager, T. Higuchi and T. Oka, Physical Review B 100, 134301 (2019). DOI: 10.1103/PhysRevB.100.134301
12. Entanglement entropy of a three-spin-interacting spin chain with a time-reversal-breaking impurity at one boundaryT. Nag and A. Rajak, Physical Review E 97, 042108 (2018). DOI: 10.1103/PhysRevE.97.042108
11. Survival probability in a quenched Majorana chain with an impurity, A. Rajak and T. NagPhysical Review E 96, 022136 (2017). DOI: 10.1103/Phys-RevE.96.022136
Before completing Ph.D.
10. Generation of concurrence between two qubits locally coupled to a one dimensional spin chainT. Nag and A. Dutta, Physical Review A 94, 022316 (2016).  DOI: 10.1103/PhysRevA.94.022316.
9. Excess energy and decoherence factor of a qubit coupled to a one-dimensional periodically driven spin chainT. NagPhysical Review E 93, 062119 (2016). DOI: 10.1103/PhysRevE.93.062119
8. Dynamics of decoherence: Universal scaling of the decoherence factor, S. Suzuki, T. Nag and A. Dutta, Physical Review A 93, 012112 (2016).  DOI: 10.1103/PhysRevA.93.012112
7. Maximum group velocity in a one-dimensional model with a sinusoidally varying staggered potentialT. Nag, D. Sen and A. Dutta, Physical Review A 91, 063607 (2015). DOI: 10.1103/PhysRevA.91.063607
6. Possibility of adiabatic transport of a Majorana edge state through an extended gapless region, A. Rajak, T. Nag and A. Dutta, Physical Review E 90, 042107 (2014).  DOI: 10.1103/PhysRevE.90.042107
5. Dynamical localization in a chain of hard core bosons under periodic drivingT. Nag, S. Roy, A. Dutta and D. Sen, Physical Review B 89, 165425 (2014). DOI: 10.1103/PhysRevB.89.165425. 
4. Finite-time interaction quench in a Luttinger liquid, R. Sachdeva, T. Nag, A. Agarwal, and A. Dutta, Physical Review B 90, 045421 (2014). DOI: 10.1103/PhysRevB.90.045421
3. Fidelity, Rosen-Zener dynamics, entropy and decoherence in one dimensional hard-core bosonic systems, S. Roy, T. Nag and A. Dutta, The European Physical Journal B 86, 204 (2013). DOI: 10.1140/epjb/e2013-40052-1
2. Scaling of the decoherence factor of a qubit coupled to a spin chain driven across quantum critical pointsT. Nag, U. Divakaran and A. Dutta, Physical Review B 86, 020401(R) (2012). DOI: 10.1103/PhysRevB.86.020401
1. Quantum discord in a spin-1/2 transverse XY chain following a quenchT. Nag, A. Patra, A. Dutta, Journal of Statistical Mechanics: Theory and Experiment (2011) P08026. DOI: 10.1088/1742-5468/2011/08/P08026.
Invited review:
2. Generation of higher-order topological insulators using periodic driving, A. K. Ghosh,
T. Nag, A. Saha, J. Phys.: Condens. Matter 36, 093001 (2024).  DOI:10.1088/1361-648X/ad0e2d. This is a Topical Review.
1. Quenching Dynamics and Quantum InformationT. Nag, A. Dutta and A. Patra,
International Journal of Modern Physics B, 27 (01n03), 1345036 (2013).  DOI: 10.1142/S0217979213450367.
This is a special Issue “Classical Vs Quantum correlations in composite systems” edited
by L. Amico, S. Bose, V. Korepin and V. Vedral. 
Preprints on arXiv:
4.  Floquet second-order topological Anderson insulator hosting corner localized modes, A. K. Ghosh, T. Nag, A. Saha, arXiv:2311.03727, DOI: 10.48550/arXiv.2311.03727
3.  Fano resonances in tilted Weyl semimetals in an oscillating quantum well, S. Das, A. Maity, R. Sarkar, A. Menon, T. Nag, B. Basu, arXiv:2307.15928, DOI: 10.48550/arXiv.2307.15928.
2. Topological characterization of special edge modes from the winding of relative phase, S. Saha, T. Nag, S. Mandal, arXiv:2306.08100. DOI: 10.48550/arXiv.2306.08100.
1. Distinct quasiparticle interference patterns for surface impurity scattering on various Weyl semimetals, F. Xiong, C. He, Y. Liu, A. M. Black-Schaffer, T. NagarXiv:2305.01422. DOI: 10.48550/arXiv.2305.01422. 
See arXiv for more detail