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in Quantum Field Theory under the Influence of External Conditions
An improved raisin harvester including a front fork for sliding under a raisin laden tray, a draper web situated above the fork for engaging the trays and sliding them along the fork to a conveyorExpand
The proximity force approximation for the Casimir energy as a derivative expansion
The proximity force approximation (PFA) has been widely used as a tool to evaluate the Casimir force between smooth objects at small distances. In spite of being intuitively easy to grasp, it isExpand
Geometric phase with nonunitary evolution in the presence of a quantum critical bath.
This work measures the nonunitary evolution of the reduced density matrix of a spin one-half coupled to an environment to obtain a correction of the geometric phase with respect to the uncoupled case. Expand
Exact Casimir interaction between eccentric cylinders
The Casimir force is the ultimate background in ongoing searches for extragravitational forces in the micrometer range. Eccentric cylinders offer favorable experimental conditions for suchExpand
Casimir free energy at high temperatures: Grounded versus isolated conductors
We evaluate the difference between the Casimir free energies corresponding to either grounded or isolated perfect conductors, at high temperatures. We show that a general and simple expression forExpand
Thermal corrections to quantum friction and decoherence: A closed-time-path approach to atom-surface interaction
In this paper we study the dissipative effects and decoherence induced on a particle moving at constant speed in front of a dielectric plate in quantum vacuum, developing a Closed-Time-Path (CTP)Expand
Vacuum fluctuations and generalized boundary conditions
Fil: Fosco, Cesar Daniel. Comision Nacional de Energia Atomica. Gerencia del Area Investicaciones y Aplicaciones No Nucleares; Argentina;
We analyze the relationship between classical chaos and particle creation in Robertson–Walker cosmological models with gravity coupled with a scalar field. Within our class of models chaos andExpand
Derivative expansion of the electromagnetic Casimir energy for two thin mirrors
We extend our previous work on a derivative expansion for the Casimir energy, to the case of the electromagnetic field coupled to two thin, imperfect mirrors. The latter are described by means ofExpand
An improved proximity force approximation for electrostatics
A quite straightforward approximation for the electrostatic interaction between two perfectly conducting surfaces suggests itself when the distance between them is much smaller than theExpand