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Majorana Zero Modes UPSC NOTE


Majorana Zero Modes

  • Researchers at Microsoft announced that they had figured out a way to create a strange kind of particle that could potentially revolutionise quantum computing.

  • These particles are called Majorana zero modes, whose unique properties could help build quantum computers that are less fragile, and more computationally robust, than they are today.

  • Majorana zero modes are a mathematical construction that allows electrons to be described theoretically as being composed of two halves. 

  • Majorana zero mode that’s an electron and a hole. 

  • A hole is a point where there could be an electron but isn’t. It effectively has a positive charge. 

Benefit to quantum-computing

  • Majorana zero modes can be used to realise a powerful form of computing called topological quantum-computing.

  • From a quantum computing perspective, if an electron can be split into two parts then the information it encodes as a qubit will be protected from local perturbations.

  • In this configuration, physicists have found that even if one of the entities is disturbed, the overall qubit doesn’t decohere, and continues to protect the encoded information. 

  • In principle, if there is no overlap between the two ‘half-particles’, such a qubit can exist forever.

  • Majorana zero modes can work as qubits and they won’t easily lose the information vested with them.



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Majorana Zero Modes UPSC NOTE
Majorana Zero Modes UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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