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Mechanical qubits can address the issues of quantum error and shorter lifetime in virtual qubits (those made using electromagnetics) that hinder realising the potential of Quantum Computers.

  • Qubits (Quantum bits), used by quantum computers used to encode data, exhibit high sensitivity and may cause calculation errors referred as quantum errors. 
    • Traditional computers use bits (either o or 1) for information storage.
  • This quantum error may worsen as the size of quantum computers increases.

About Quantum Computers

  • Based on Quantum Mechanics: Quantum mechanics describe how subatomic particles behave differently from macrolevel physics. 
    • Quantum mechanics explains how extremely small objects simultaneously have the characteristics of both particlesand waves (a disturbance or variation that transfers energy). Physicists call this the “wave-particle duality.”
  • Utilises two key principles of quantum physics:
    • Superposition: Each qubit can represent both 1 and 0 simultaneously.
    • Entanglement (i.e., correlation of qubits): Qubits in a superposition can be correlated with each other; i.e., the state of one (whether it is a 1 or a 0) can depend on the state of another.

Initiatives for promoting Quantum Computing in India

  • National Quantum Mission (2023): To establish India as a global quantum leader. 
  • Quantum Enabled Science & Technology (QuEST): A research program to build quantum capabilities.
  • MeitY Quantum Computing Applications Lab (QCAL): For providing access to quantum computers, tools, and resources to researchers and developers.
  • Quantum Computer Simulator (QSim) Toolkit:  provide a platform for researchers to explore quantum computers that are difficult to obtain.
  • Quantum-backed Green Hydrogen production technology developed at BHU, Varanasi.
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