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Statistical physics Q

  • 30-10-2013 08:23PM
    #1
    p1akuw47h5r3it
    Closed Accounts Posts: 3,001 ✭✭✭


    Hi. I'm really stuck with this. I have two answers but not sure which is right!

    The question is:

    There are 5 Bosonic particles N = 5 populating 2 degenerate energy levels E1 and E2 such that:
    E1 < E2, N2 ≤ N1
    and the respective statistical weights are
    g1 = 3 and g2 = 2.
    .

    What are the possible macrostates of this system?

    I'm not sure if the answer is: for E1 either 5 or 4 or 3 macrostates (as N1>N2)

    and for E2 either 2 or 1 macrostates.
    or

    13 macrostates:

    E1 , g = 3

    E1 N1 = 5 --> (5,0,0) (410) (320) (311)
    E1 N1 = 4 --> (400) (310) (220)
    E1 N1 = 3 --> (300) (210) (111)

    E2 , g = 2

    E2 N2 = 2 --> (2,0) (1,1)
    E2 N2 = 1 --> (1,0)

    Any idea which is correct or are they both wrong!!


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