Astrophysics & Particle Physics-APPC 2026

Quantum Mechanics is the underlying theory of physics that explains the behaviour of matter and energy at the microscopic levels. It invokes concepts like superposition, entanglement, quantization, and wave-particle duality that challenge classical intuition but precisely model atomic, molecular, and subatomic behavior.Quantum Technology utilizes concepts from quantum mechanics to engineer novel devices and systems with functions beyond classical capabilities. Core fields involve quantum computing, which uses superposition and entanglement to run complicated calculations exponentially quicker than regular computers; quantum communication, providing extremely secure information exchange through quantum key distribution; and quantum sensing, offering unmatched accuracy in measurements of time, magnetic fields, and gravity.Quantum mechanics is the foundation of a broad spectrum of technologies, ranging from semiconductors and lasers to superconducting circuits and ion traps for quantum experiments.

Quantum interactions and coherence are critical to know for the development of quantum devices and scalable fault-tolerant quantum computation systems.Quantum entanglement and non-local correlations are responsible for phenomena like quantum teleportation and secure cryptographic protocols, which bring about revolution in communication and cybersecurity. Quantum simulation research enables scientists to simulate complicated quantum systems, such as materials, chemical reactions, and phenomena of condensed matter that are intractable by classical computation.Applications include fundamental physics, e.g., probing the limits of quantum theory, testing gravity at quantum scales, and investigating the interface between quantum mechanics and relativity. Quantum technologies are also propelling progress in medical imaging, metrology, and astrophysical observations, connecting theoretical physics with real-world innovations. Through the integration of theory, experiment, and engineering, the subject of Quantum Mechanics and Quantum Technology is defining the future of science and technology. It is offering a basis for next-generation computation, communication, and sensing technologies, reshaping industries and broadening the knowledge of the quantum universe.