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International Academic Journal of Science and Engineering

Quantum Entanglement Dynamics in Topological Insulators for Next-Generation Quantum Computing Applications

Melam Thirupathaiah, Vinayak V. Mukkawar, J. Mary Praveena, Prakhar Goyal, Kamineni Sairam, Kapil Mundada, Baoxin Le

Published Sep 30, 2025• 0 citations
Publisher

Abstract

The stability of quantum entanglement has been a bottleneck in the design of scalable quantum computing architectures, especially due to decoherence and environmental noise in traditional quantum materials. Topological insulators (TIs), which have bulk-insulating states and conducting surface states protected by time-reversal symmetry, offer a promising platform for enhancing entanglement resilience. This paper explores the mechanism of quantum entanglement in two-dimensional topological insulator systems and assesses their potential for next-generation quantum computing. -Using tight-binding Hamiltonian simulations and time-dependent density-matrix simulations, we study the evolution of entanglement as a function of temperature, disorder strength, spin-orbit coupling, etc. The entanglement is measured using concurrence and von Neumann entropy measures among a variety of system setups. Simulations Findings TI-based qubit systems have been found to have a 35-48 percent improvement in entanglement lifetime over conventional semiconductor qubits with comparable noise levels. Remarkably, coherence times of over 120 m are observed at temperatures lower than 50 mK, and an estimated 42% slows down the rate of entanglement degradation in the presence of moderate non-magnetic disorder. Moreover, the statistical analysis of 1,000 simulation runs shows that the standard deviation of entanglement fluctuations has decreased by a factor of 31, leading to better stability and reproducibility. These data demonstrate the inherent fault-tolerant properties of the topological surface states and their ability to maintain quantum correlations over longer periods of operation. Finally, the conclusions indicate that topological insulators provide a viable, scalable material platform for maintaining quantum entanglement, with important implications for quantum logic models and error-tolerant quantum computing. This paper justifies the incorporation of topological materials into future quantum information processing systems.

DOI
10.71086/iajse/v12i3/iajse1227

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Quantum decoherence poses a significant challenge to the development of practical quantum computers. The inherent sensitivity of quantum states to environmental interactions leads to rapid loss of quantum information. This work proposes a novel strategy for mitigating decoherence effects by leveraging topological protection. Specifically, we investigate the construction of quantum device arrays utilizing topologically protected states, combined with non-Abelian entanglement, to create a robust barrier against external noise. The core concept relies on isolating quantum bits (qubits) from environmental interactions through the unique properties of topological insulators and engineered topological structures. This approach aims to dramatically improve the fidelity and stability of quantum computations. Mathematical formulations detail the theoretical framework, demonstrating the potential of this method to achieve significantly reduced decoherence rates and enhanced quantum coherence times. The proposed architecture offers a pathway toward building more reliable and scalable quantum computing platforms.
This paper proposes a novel approach to quantum computation leveraging the topological properties of quantum entanglement. The core claim is to construct a highly fault-tolerant distributed computing architecture by harnessing these topological features, thereby mitigating the decoherence challenges prevalent in traditional quantum computing. The proposed mechanism involves encoding quantum information into physically interconnected quantum nodes via entangled networks. This topological protection inherently provides redundancy for quantum information storage and facilitates error correction. Furthermore, the architecture utilizes the inherent topology of the nodes for parallel computation. The resulting system offers a fundamentally different paradigm for quantum computing, promising scalability and robustness. The theoretical framework presented outlines the key components and operational principles, focusing on the manipulation and utilization of entangled states within a topological framework. The primary goal is to demonstrate a pathway towards building practical, resilient quantum computers capable of tackling complex computational problems. This work establishes a foundational model for future research in entanglement-based topological quantum computation.
This paper investigates the potential of non-spin topological qubits for quantum computing, proposing a novel approach to achieving high-fidelity quantum computation and inherent error correction. The core argument centers around leveraging the unique properties of non-spin topological states, specifically their robustness against local perturbations, to provide a natural defense against decoherence. We detail the mechanisms by which these qubits can be protected and manipulated, focusing on the intrinsic resilience of the topological state itself. The exploration of non-spin topological qubits offers a promising new platform for quantum computing, distinct from traditional spin-based approaches. The theoretical framework presented outlines key considerations for designing and implementing such systems, emphasizing scalability and operational stability. This work contributes to the ongoing research in quantum computing by suggesting a fundamentally different paradigm utilizing topological protection.