Jun-Jin Peng

collaborators

3 papers

gr-qc2026

The trace of field equations for higher-derivative gravity and an equality associating the Lagrangian density with a divergence term

Jun-Jin Peng, Hua Li

We figure out the explicit expression for the trace of the field equations associated to generic higher derivative theories of gravity endowed with Lagrangians depending upon the m…

gr-qc2024

Field equations and Noether potentials for higher-order theories of gravity with Lagrangians involving $□^{i} R$ , $□^{i} R_{I^¼ I^½}$ and $□^{i} R_{I^¼ I^½ I ¨ I ¨ }$

Jun-Jin Peng, Hua Li

In this paper, we aim to perform a systematical investigation on the field equations and Noether potentials for the higher-order gravity theories endowed with Lagrangians depending…

physics.optics2024

Terahertz semiconductor laser chaos

Binbin Liu, Carlo Silvestri, Kang Zhou +12

Chaos characterized by its irregularity and high sensitivity to initial conditions finds various applications in secure optical communications, random number generations, light det…

The trace of field equations for higher-derivative gravity and an equality associating the Lagrangian density with a divergence term

Field equations and Noether potentials for higher-order theories of gravity with Lagrangians involving □iR, □iRI^¼I^½​ and □iRI^¼I^½I¨I¨​

Terahertz semiconductor laser chaos

Field equations and Noether potentials for higher-order theories of gravity with Lagrangians involving $□^{i} R$ , $□^{i} R_{I^¼ I^½}$ and $□^{i} R_{I^¼ I^½ I ¨ I ¨ }$