Thermodynamical Properties of Strunz's Quantum Dissipative Models

摘要

The existence of the negative of specific heat from quantum dissipative theory is investigated. Strunz's quantum dissipative model will be used in this studies. The thermodynamical properties will be studied starts out from the thermodynamic partition function of the dissipative system. The path integral technique is used to calculate the partition function under consideration. The results shows that the specific heat can be negative if the damping parameter more than a half the oscillator frequency and also occur at low temperatures. For damping factor greater than the frequency of harmonic oscillator then specific heat will oscillate at low temperatures and approaching normal conditions at a high temperature.