Acta Physica Academiae Scientiarum Hungaricae

, Volume 50, Issue 1, pp 37–59 | Cite as

Effect of weak hopping on the behaviour of the one-dimensional box model

  • Nguyen Minh Khue
Physics of Condensed Matter


The effect of the hopping on the magnetic and dieclectric properties of the box mode introduced byA. Zawadowski andM. H. Cohen [1] are considered.

By symmetry reasoning it is shown that the free energy is an even function of the hopping rate as well as of the external electric field.

It is proved that at finite temperature when the hopping is small enough the hopping processes in various boxes are uncorrelated. Based on this the magnetic and dielectric susceptibilities are calculated up to the second order of the hopping rate.


Partition Function Magnetic Susceptibility Total Spin TCNQ Transfer Matrix Method 
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  1. 1.
    A. Zawadowski andM. H. Cohen, Phys. Rev.,B17, 1730, 1977.Google Scholar
  2. 3.
    K. Huang, Statistical Physics, John Wiley Sons, Inc.; New York-London, 1963.Google Scholar
  3. 3.
    F. Woynarovich, Solid State Comm.,24, 797, 1977.CrossRefADSGoogle Scholar
  4. 4.
    P. Fazekas andA. Kövér, KFKI-1978-48 (publication of the Central Research Institute for Physics, Budapest).Google Scholar

Copyright information

© with the authors 1981

Authors and Affiliations

  • Nguyen Minh Khue
    • 1
  1. 1.Central Research Institute for PhysicsBudapestHungary

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