Mustafa Bakr

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quant-ph2026

What do position and time mean in the quantum wavefunction?

Mustafa Bakr, Zichi Zhang, Margot Stakenborg

The notation $ψ (x, t)$ is among the first pieces of quantum mechanics that students learn. It is also among the easiest to over-interpret. Because $x$ and $t$ occur as arguments of…

quant-ph2025

Quantum Mechanics in a Spherical Wedge: Complete Solution and Implications for Angular Momentum Theory

Mustafa Bakr, Smain Amari

We solve the stationary SchrÃ¶dinger equation for a particle confined to a 3D spherical wedge -- the region ${(r, I^¸, I ¨ ) : 0 \leq r \leq R, 0 \leq I^¸ \leq I ¨ , 0 \leq I ¨ \leq I^¦}$ …

quant-ph2025

Long-Range Entangling Operations via Josephson Junction Metasurfaces

Mustafa Bakr

We present a framework for implementing two-qubit entangling operations between distant superconducting qubits using a space-time modulated Josephson junction metasurface. By modul…