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Vikash Raj Shrivastava posted an Question
June 04, 2021 • 17:54 pm 30 points
  • CSIR NET
  • Physical Sciences

62. a collection nof non-interacting spins s;, 1=1,2,.., n, (s; =t1) is kept in an external magnetic field b at a temperature t. the hamiltonian of the system i

62. A collection Nof non-interacting spins S;, 1=1,2,.., N, (S; =t1) is kept in an external magnetic field B at a temperature T. The Hamiltonian of the system is H -u BS. What should be the minimum value of for which the of uB kT mean value (S;) 2 (a)Nin2 (b) 2 In 2 (C)In 2 (d) N In 2

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    Ravi bhushan Best Answer

    Here is the detailed solution. Option A is correct answer.

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