277 citations
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Showing 1998 · cond-mat.stat-mechShow all
3 papers · 2 filters
cond-mat.stat-mech1998
Casimir amplitudes in a quantum spherical model with long-range interaction
H. Chamati, D. M. Danchev, N. S. Tonchev
A -dimensional quantum model system confined to a general hypercubical geometry with linear spatial size and ``temporal size'' ( - temperature of the system) is co…
cond-mat.stat-mech1998★ 4 cited
On the Finite-Temperature Generalization of the C-theorem and the Interplay between Classical and Quantum Fluctuations
Daniel M. Danchev, Nicholay S. Tonchev
The behavior of the finite-temperature C-function, defined by Neto and Fradkin [Nucl. Phys. B {\bf 400}, 525 (1993)], is analyzed within a d -dimensional exactly solvable lattice m…
cond-mat.stat-mech1998★ 38 cited
Exact Three Dimensional Casimir Force Amplitude, -function and Binder's Cumulant Ratio: Spherical Model Results
Daniel M. Danchev
The three dimensional mean spherical model on a hypercubic lattice with a film geometry under periodic boundary conditions is considered in the presence of an e…