Aspects of nonideal Stern-Gerlach experiment and testable ramifications

Dipankar Home, Alok Kumar Pan, Md Manirul Ali, A. S. Majumdar

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)


We critically examine the quantum-mechanical modelling of a measurement process using the Stern-Gerlach (SG) setup in the most general context, probing in particular for nonideal situations, the subtleties involved in the connection between the notion of 'distinguishability' of apparatus states defined in terms of the inner product and the spatial separation among the wave packets emerging from the SG setup. The quantitative studies highlighting some of the unexplored features of this relationship are presented in terms of an appropriately defined measure for the spatial separation between the emerging wave packets. It is also indicated how the effects arising from such departures from the idealness can be empirically tested for different values of the relevant parameters.

Original languageEnglish
Pages (from-to)13975-13988
Number of pages14
JournalJournal of Physics A: Mathematical and Theoretical
Issue number46
Publication statusPublished - 2007 Nov 16

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Modelling and Simulation
  • Mathematical Physics
  • Physics and Astronomy(all)


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