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quant-ph2023★ 21 cited
Hamiltonians and gauge-invariant Hilbert space for lattice Yang-Mills-like theories with finite gauge group
A. Mariani, S. Pradhan, E. Ercolessi
Motivated by quantum simulation, we consider lattice Hamiltonians for Yang-Mills gauge theories with finite gauge group, for example a finite subgroup of a compact Lie group. We sh…
quant-ph2022★ 8 cited
Bouncing Wave Packets, Ehrenfest Theorem, and Uncertainty Relation based upon a new Concept for the Momentum of a Particle in a Box
I. Albrecht, J. Herrmann, A. Mariani +2
For a particle in a box, the operator is not self-adjoint and thus does not qualify as the physical momentum. As a result, in general the Ehrenfest theorem is violat…