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A. (take the potential inside the well to be zero and ignore spin) (csir-june 2014) example: consider a system of two non-interacting identical fermions, each o
Tnus tne partICIe ExCldi infinite square well potential of width a. (Take the potential inside the well to be zero and ignore spin) (CSIR-JUNE 2014) Example: Consider a system of two non-interacting identical fermions, each of mass m in an 57h2 The composite wavefunction for the system with total energy E is 2ma (210h ain sin sin sin (A) a a (B) sin sin21 +sin in Com a a sin a (310h2 - sin 2a sin 3TX sin T (C) 2a (D) None of these
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Ruby negi Best Answer
the reason is that, given energy is 5* energy of first state so it can be represented in the form of energy of second state plus energy of first state means one fermion is in first state and second is in second state... but we don't know which fermion is in which state, that's why we have a linear combination of wavefuncttion ... and minus sign show the antisymmetric nature of femions.