An Analytical Multiple-Temperature Model for Flash Laser Irradiation on Single-Layer Graphene.

Area of Science:

• Condensed Matter Physics
• Quantum Mechanics
• Materials Science

Background:

• Flash laser irradiation is crucial for modifying graphene properties.
• Accurate modeling of heat transfer in graphene under laser treatment is complex.
• Existing methods like nonequilibrium green function are computationally intensive.

Purpose of the Study:

• To develop a simplified model for flash laser irradiation of single-layer graphene.
• To apply quantum concepts to heat transfer equations.
• To derive accessible mathematical expressions for electron and phonon temperatures.

Main Methods:

• Utilized Zhukovsky's mathematical approach to solve Fourier heat equations.
• Incorporated quantum concepts and heat operators.
• Developed a Multiple-Temperature Model for electron and phonon systems.

Main Results:

• Derived simple, classical mathematics-based solutions for heat transfer.
• Established straightforward equations for electron and phonon temperatures.
• Demonstrated a computationally efficient alternative to complex quantum theories.

Conclusions:

• The proposed Multiple-Temperature Model offers a simplified yet accurate method for analyzing graphene laser irradiation.
• This approach reduces computational complexity, making it practical for researchers.
• The derived expressions are valuable tools for studying laser-matter interactions in graphene.