Nanoscience with Attosecond Laser Pulses

TL;DR

This paper investigates quantum heat transport induced by attosecond laser pulses, deriving and solving modified Klein-Gordon and telegraph equations to describe heat carrier dynamics under various conditions.

Contribution

It introduces new thermal equations based on the interaction of attosecond laser pulses with matter, expanding understanding of quantum heat transport mechanisms.

Findings

Derivation of thermal Klein-Gordon and telegraph equations for heat transport.

Solutions to these equations under different physical conditions.

Identification of conditions leading to thermal wave and distortionless heat propagation.

Abstract

In this paper the interaction of attosecond laser pulses with matter is investigated. The scattering and potential motion of heat carriers as well as the external force are considered. Depending on the ratio of the scatterings and potential motion the heat transport is described by the thermal forced Klein-Gordon or thermal modified telegraph equation. For thermal Heisenberg type relation V tau=hbar (tau is the relaxation time and V is the potential) the heat transport is described by the thermal distortionless damped wave equation. In this paper Klein-Gordon modified telegraph equation and wave equation are solved. Key words: Attosecond laser pulses; Quantum heat transport equation; Klein-Gordon thermal equation.