activity
20242026
collaborators

6 papers

quant-ph2026

Frequency Detuning and Interference-Induced Bohmian Chaos in a Two-Dimensional Anisotropic Harmonic Oscillator

Umair Abdul Halim, Nurisya Mohd Shah, Chan Kar Tim +1

We investigate the emergence of chaotic Bohmian trajectories in a three-mode superposition of the ground and first excited states of a two-dimensional anisotropic harmonic oscillat…

quant-ph2026

Quasi-Orthogonal Stabilizer Design for Efficient Quantum Error Suppression

Valentine Nyirahafashimana, Sharifah Kartini Said Husain, Umair Abdul Halim +2

Orthogonal geometric constructions are the basis of many many quantum error-correcting codes (QEC), but strict orthogonality constraints limit design flexibility and resource effic…

quant-ph2025

Generalized Code Distance through Rotated Logical States in Quantum Error Correction

Valentine Nyirahafashimana, Nurisya Mohd Shah, Umair Abdul Halim +1

We construct rotated logical states by applying rotation operators to stabilizer states, extending the logical basis and modifying stabilizer generators. Rotation operators affect…

quant-ph2025

Quantum Error Correction in Quaternionic Hilbert Spaces

Valentine Nyirahafashimana, Nurisya Mohd Shah, Umair Abdul Halim +2

We propose quaternion-based strategies for quantum error correction by extending quantum mechanics into quaternionic Hilbert spaces. Building on the properties of quaternionic quan…

quant-ph2025

Qubit Geometry through Holomorphic Quantization

Ahmad Hazazi Ahmad Sumadi, Nurisya Mohd Shah, Umair Abdul Halim +1

We develop a wave mechanics formalism for qubit geometry using holomorphic functions and Mobius transformations, providing a geometric perspective on quantum computation. This fram…

quant-ph2024

Optimizing Qubit Mapping with Quasi-Orthogonal Space-Time Block Codes and Quaternion Orthogonal Designs

Valentine Nyirahafashimana, Nurisya Mohd Shah, Umair Abdul Halim +2

This study explores the qubit mapping through the integration of Quasi-Orthogonal Space-Time Block Codes (QOSTBCs) with Quaternion Orthogonal Designs (QODs) in quantum error correc…