Quantum computing leverages principles of quantum mechanics, such as superposition, entanglement, and quantum tunneling, to perform computations far beyond the capabilities of classical computers. Unlike classical bits (0 or 1), quantum bits (qubits) can exist in multiple states simultaneously, enabling parallel processing of vast datasets.
Current quantum computers, like those developed by IBM and Google, use superconducting circuits or trapped ions to create qubits. Applications include cryptography, where quantum algorithms like Shor’s could break RSA encryption, and optimization problems in logistics and drug discovery.
Challenges include decoherence, where qubits lose their quantum state, and high error rates. Quantum error correction and fault-tolerant systems are active research areas, with companies like D-Wave exploring quantum annealing for specific use cases.
Ashish Vishwakarma, et al. "Advances in Quantum Computing".
OpenJournal system, VOL 1, Issue 1, Report.DOI: https://doi.org/7y5290677342985546