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Articles by S. Shajidul
[2512.13502] Arrival Time\textemdash Classical Parameter or Quantum Operator?
[Submitted on 15 Dec 2025 (v1), last revised 18 Sep 2026 (this version, v2)] View PDF HTML (experimental) Subjects: Quantum Physics (quant-ph); Atomic Physics (physics.atom-ph) Cite as: arXiv:2512.13502 [quant-ph] (or arXiv:2512.13502v2 [quant-ph] for this version) https://doi.org/10.48550/arXiv.2512.13502
Spread complexity and topological transitions in the Kitaev chain
Journal of High Energy Physics, Jan 2023 This is a preview of a remote PDF: https://link.springer.com/content/pdf/10.1007/JHEP01(2023)120.pdf Caputa, Pawel, Gupta, Nitin, Haque, S. Shajidul, Liu, Sinong, Murugan, Jeff, Van Zyl, Hendrik J. R.. , Journal of High Energy Physics, 2023, pp. 1-30, Volume 2023, Issue 1, DOI: 10.1007/JHEP01(2023)120
Post-Quench Evolution of Distance and Uncertainty in a Topological System: Complexity, Entanglement and Revivals
Abstract: We investigate the evolution of the complexity and entanglement following a quench in a one-dimensional topological system, namely the Su-Schrieffer-Heeger model. We demonstrate that complexity can detect quantum phase transitions and shows signatures of revivals. This observation provides a practical advantage in information processing.
[1802.09499] Towards the Raychaudhuri Equation Beyond General Relativity
Abstract: In General Relativity, gravity is universally attractive, a feature embodied by the Raychaudhuri equation which requires that the expansion of a congruence of geodesics is always non-increasing, as long as matter obeys the strong or weak energy conditions.
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