1 citations · 1 across the 11 of their papers we have counts for
12 papers
Physics Based Triple Debye Dielectric Modeling and Multi Layer ADE FDTD Simulation of Terahertz Pulse Reflection for Breast Cancer Detection
Ali Asghar Molavi Choobini, Mehran Shahmansouri
Terahertz (THz) imaging has emerged as a promising non-ionizing modality for breast cancer assessment owing to its intrinsic sensitivity to tissue hydration. However, existing diel…
Revealing Hidden Orbital Pathways in NonThermal Hot Carrier Relaxation of MXenes via NonSecular Redfield Quantum Kinetics
Ali Asghar Molavi Choobini, Abbas Chimeh, Jinhui Zhong
Non-thermal carrier relaxation is routinely inferred from population dynamics or spectroscopic observables, yet neither class of quantity uniquely identifies the microscopic channe…
Quantum Hydrodynamic Framework of Coherent Terahertz Emission in MXenes Driven via Engineered Femtosecond Waveforms
Ali Asghar Molavi Choobini, Abbas Chimeh, Jinhui Zhong
Coherent terahertz (THz) emitters based on low dimensional quantum materials have attracted significant interest for compact broadband photonic technologies. However, theoretical d…
Theoretical Analysis and PIC Simulations of Electromagnetic Wakefields Excited by Relativistic Beams in Magnetized Plasmas
Ali Asghar Molavi Choobini, Mehran Shahmansouri
This study presents theoretical and numerical investigation of the coupled longitudinal and radial wakefields excited by ultrarelativistic electron beams propagating through a cold…
Second Harmonic Generation Through Backward Raman Scattering in Magnetized Plasmas Driven by Circularly Polarized Intense Lasers
S. S. Ghaffari-Oskooei, A. A. Molavi Choobini
A fluid-based theoretical framework is developed to describe the nonlinear cascade linking primary BRS-driven plasma wave amplification, oscillating two-stream instability (OTSI),…
Resonant RF Wakefield Coupling for Radiation-Reaction Control of 3D Betatron Dynamics in Hybrid Laser Plasma Accelerators
A. A. Molavi Choobini, M. Shahmansouri
Hybrid laser plasma radiofrequency (RF) acceleration architectures signify a promising advancement in addressing the stability challenges associated with traditional laser wakefiel…
Tailored Three Dimensional Betatron Dynamics in UltraStable Hybrid Laser Plasma RF Accelerators
A. A. Molavi Choobini, M. Shahmansouri
The detailed theoretical and numerical investigation of hybrid laser plasma RF accelerators, elucidating the mechanisms governing transverse beam dynamics, betatron polarization, a…
3D PIC simulation and theoretical modeling of RF Laser pulse in magnetized plasma for the generation of multidimensional relativistic Wakefields
A. A. Molavi Choobini, M. Shahmansouri
The present study, investigates the modulation of plasma wakefields in dense magnetized plasma driven by relativistic electron beams under transverse RF excitation. A self consiste…
Spatiotemporal THz emission from radial and longitudinal wakefields by copropagating chirped lasers in magnetized rippled plasma
A. A. Molavi Choobini, F. M. Aghamir
The excitation of radial and longitudinal wake-fields by two co-propagating chirped laser pulses in a rippled, magnetized plasma has been examined. This study aimed to clarify the…
Wakefield-induced THz wave generation in a hybrid dielectric-plasma cylindrical waveguide
A. A. Molavi Choobini, F. M. Aghamir
In the present study, the generation of THz radiation through wakefield excitation in a cylindrical dielectric plasma waveguide is investigated. The proposed hybrid dielectric-plas…
Forward Raman Scattering and Self-Modulation instabilities of lasers in magnetized tapered plasma channels
S. S. Ghaffari-Oskooei, A. A. Molavi Choobini
The propagation of laser pulses in tapered magnetized plasma channels is analyzed using the fluid theory of cold plasmas. This study focuses on laser propagation's key instabilitie…
Two-plasmon decay instability and 3/2 harmonic generation in inhomogeneous magnetized plasma
S. S. Ghaffari-Oskooei, A. A. Molavi Choobini
Two-plasmon decay instability emerges as the parametric decay of laser beams into two plasma waves which is expected for hohlraum in inertial confinement fusion. The behavior of th…