Dynamics of graphene as an open quantum system

Showkat Ahmad Mir and A. Shah M.â ()
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Showkat Ahmad Mir: Laboratory for Multifunctional Nanomaterials, P. G. Department of Physics, National Institute of Technology Srinagar, Hazratbal, Srinagar 190006, Jammu and Kashmir, India
A. Shah M.â: Laboratory for Multifunctional Nanomaterials, P. G. Department of Physics, National Institute of Technology Srinagar, Hazratbal, Srinagar 190006, Jammu and Kashmir, India

International Journal of Modern Physics C (IJMPC), 2025, vol. 36, issue 01, 1-9

Abstract: We examine the imbalance thermodynamics of uncontaminated decoherence in graphene. In a uncontaminated decoherence process, no exchange of energy takes place directly between graphene and the surroundings. It is seen that due to decoherence heat dissolution takes place due to which energy of the environment cannot remain conserved. In this paper, we find out the energy eigenvalues and wave function in the graphene from the perturbed Hamiltonian to find out the density matrix and entropy of the system and their unique relation between the density matrix, momentum of the graphene and entropy where the graphene is taken as an open system. In graphene, the behavior of electrons is controlled by the massless Hamiltonian and (2+1) Dirac equation.

Keywords: Graphene; dirac points; wave function; phase (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1142/S0129183124501663

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