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My publications and preprints are listed below. For questions on any specific publication, feel free to drop me an email.
My publications and preprints are listed below. For questions on any specific publication, feel free to drop me an email.
Published articles/preprints
Published articles/preprints
Papers are listed in reverse chronological order, i.e., the latest papers appear first. They are listed when they first appeared in arXiv (not the published year).
In most cases, the authors are listed alphabetically, which is conventional in the high-energy theory (hep-th) community. There are a few exceptions, marked with *, which are arranged according to the author’s contributions.
Full publications: INSPIRE profile, Google Scholar, ResearchGate.
2025
2025
22. Complexity of Quadratic Quantum Chaos,
P. Basu, S. Das, P. Nandy [arXiv:2509.04075 [hep-th]].
*21. Free Probability approach to spectral and operator statistics in Rosenzweig-Porter random matrix ensembles,
V. Jahnke*, P. Nandy*, K. Pal, H. A. Camargo, K-Y. Kim [arXiv:2506.04520 [hep-th]] (* equal contribution)
2024
2024
*20. A Krylov space approach to Singular Value Decomposition in non-Hermitian systems,
P. Nandy, T. Pathak, Z-Y. Xian, J. Erdmenger [Phys. Rev. B 111, 064203 (2025)] [arXiv: 2411.09309 [quant-ph]].
19. Tridiagonal Hamiltonians modeling the density of states of the Double-Scaled SYK model,
P. Nandy [JHEP 01 (2024) 094] [arXiv: 2410.07847 [hep-th]].
18. Krylov fractality and complexity in generic random matrix ensembles,
B. Bhattacharjee, P. Nandy [Phys. Rev. B 111, L060202 (2025) (Letter)] [arXiv: 2407.07399 [quant-ph]].
17. Probing quantum chaos through singular-value correlations in sparse non-Hermitian SYK model,
P. Nandy, T. Pathak, M. Tezuka [Phys. Rev. B 111, L060201 (2025) (Letter)] [arXiv: 2406.11969 [quant-ph]].
*16. Quantum Dynamics in Krylov Space: Methods and Applications,
P. Nandy, A. S. M-Roubeas, P. M-Azcona, A. Dymarsky, A. del Campo, [Phys.Rept.1125-1128 (2025 (Invited review)] [arXiv: 2405.09628 [quant-ph]].
(More details of the RIKEN newsletter on the review article are on the page Outreach articles)
2023
2023
15. Operator dynamics in Lindbladian SYK: a Krylov complexity perspective,
B. Bhattacharjee, P. Nandy, T. Pathak, [JHEP 01 (2024) 094] [arXiv: 2311.00753 [quant-ph].
14. On Krylov complexity in open systems: an approach via bi-Lanczos algorithm,
A. Bhattacharya, P. Nandy, P. P. Nath, H. Sahu, [JHEP 12 (2023) 066] [arXiv: 2303.04175 [quant-ph]].
2022
2022
13. Operator growth in open quantum systems: lessons from the dissipative SYK,
B. Bhattacharjee, X. Cao, P. Nandy, T. Pathak, [JHEP 03 (2023) 054] [arXiv: 2212.06180 [quant-ph]].
12. Krylov complexity in large-q and double-scaled SYK model,
B. Bhattacharjee, P. Nandy, T. Pathak, [JHEP 08 (2023) 099] [arXiv: 2210.02474 [hep-th]].
*11. Probing quantum scars and weak ergodicity-breaking through quantum complexity,
B. Bhattacharjee, S.Sur, P. Nandy [Phys. Rev. B 106, 205150 (2022)] [arXiv: 2208.05503 [quant-ph]].
10. Operator growth and Krylov construction in dissipative open quantum systems,
A. Bhattacharya, P. Nandy, P. P. Nath, H. Sahu, [JHEP 12 (2022) 081] [arXiv: 2207.05347 [quant-ph]].
9. Krylov complexity in saddle-dominated scrambling,
B. Bhattacharjee, X. Cao, P. Nandy, T. Pathak, [JHEP 05 (2022) 174] [arXiv: 2203.03534 [quant-ph]].
8. Balanced Partial Entanglement and Mixed State Correlations,
H. A. Camargo, P. Nandy, Q. Wen, H. Zhong, [SciPost Phys. 12 (2022) 137] [arXiv: 2201.13362 [hep-th]].
7. Q-curvature and Path Integral Complexity,
H. A. Camargo, P. Caputa, P. Nandy, [JHEP 04 (2022) 081] [arXiv: 2201.00562 [hep-th]].
2021
2021
6. Bath deformations, islands, and holographic complexity,
A. Bhattacharya, A.Bhattacharyya, P. Nandy, A. K Patra, [Phys. Rev. D 105, 066019 (2022)] [arXiv: 2112.06967 [hep-th]].
5. Partial islands and subregion complexity in geometric secret-sharing model,
A. Bhattacharya, A.Bhattacharyya, P. Nandy, A. K Patra, [JHEP 12 (2021) 091] [arXiv: 2109.07842 [hep-th]].
4. Eigenstate capacity and Page curve in fermionic Gaussian states,
B. Bhattacharjee, P. Nandy, T. Pathak, [Phys. Rev. B 104, 214306 (2021)] [arXiv: 2109.00557 [quant-ph]].
3. Capacity of entanglement in local operators,
P. Nandy, [JHEP 07 (2021) 019] [arXiv: 2106.00228 [hep-th]].
2. Islands and complexity of eternal black hole and radiation subsystems for a doubly holographic model,
A. Bhattacharya, A.Bhattacharyya, P. Nandy, A. K Patra, [JHEP 05 (2021) 135] [arXiv: 2103.15852 [hep-th]].
2019
2019
1. Renormalized Circuit Complexity,
A. Bhattacharyya, P. Nandy, A. Sinha, [Phys. Rev. Lett. 124, 101602 (2020)] [arXiv: 1907.08223 [hep-th]].
(More details of the IISc press release and media coverage are in the page Outreach articles)
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