Posts

Some simple calculations on qubit decoherence due to phonons.

We show that if there is a simultaneous eigenstate of two components of the angular momentu, then this state has zero eigenvalues for …

Some fun with adding up angular momentum.

Some notes on few quantum algorithms.

Kane’s computer calculations.

Superconducting qubit calculations .

Mass-spring system with dumping and driving forces. A full solution is presented with interactive plots.

Long distance commute My high school was about 50 km (~30 miles) away from where I lived. The public transport was painfully slow, and …

A deep black rock caught her eye. She leaned over, and gently blew the dust off of the flat surface. She looked for her compass for a …