Specific heat of the random Ising chain

Barma, Mustansir ; Sharma, K. C. (1979) Specific heat of the random Ising chain Solid State Communications, 30 (1). pp. 11-12. ISSN 0038-1098

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0038-1098(79)91120-7


The low temperature specific heat of a random Ising chain is studied. A calculation based on the method of single-spin fields yields a specific heat that depends quadratically on temperature whereas the exact specific heat is linear. The linear behaviour is seen to arise from states which involve flipping a macroscopic number of spins and which are missed in the single-spin description.

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ID Code:79578
Deposited On:27 Jan 2012 12:55
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