, 89:80 | Cite as

Quantum eraser for three-slit interference

  • Naveed Ahmad Shah
  • Tabish Qureshi


It is well known that in a two-slit interference experiment, if the information, on which of the two paths the particle followed, is stored in a quantum path detector, the interference is destroyed. However, in a set-up where this path information is ‘erased’, the interference can reappear. Such a set-up is known as a quantum eraser. A generalization of quantum eraser to a ‘three-slit’ interference is theoretically analysed. It is shown that three complementary interference patterns can arise out of the quantum erasing process.


Quantum eraser wave–particle duality quantum interference 





Naveed is thankful to the Centre for Theoretical Physics, Jamia Millia Islamia, New Delhi, for providing its facilities during the course of this work.


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Copyright information

© Indian Academy of Sciences 2017

Authors and Affiliations

  1. 1.Department of PhysicsJamia Millia IslamiaNew DelhiIndia
  2. 2.Centre for Theoretical PhysicsJamia Millia IslamiaNew DelhiIndia

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