Abstract
We have investigated the Aharonov-Bohm (AB) effects of electronic thermal capacityCv in a one-dimensional normal ring using the free-electron model. The results show that the thermal capacity is an oscillation function of external magnetic flux with periods ϕ0=hc/e, ϕ0/2, ϕ0/3,... The amplitude of the capacity fluctuation decreases when temperature increases forT>3T* (T*=ħ VF/(KBπL)). We suggest an appropriate temperatureT∼3T* to observe in experiment the capacity-flux characteristic for metallic rings.
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