Uniqueness of the EPR--chemeleon model

Unital Positive Maps and Quantum States

Unital Quantum Channels - Convex Structure and Revivals of Birkhoff's Theorem

Unital quantum operators on the Bloch ball and Bloch region

Unitarily localizable entanglement of Gaussian states

Unitarily manipulating in time and space a Gaussian wave-packet motional state of a single atom in a quadratic potential field

Unitarity as preservation of entropy and entanglement in quantum systems

Unitarity in one dimensional nonlinear quantum cellular automata

Unitarity plus causality implies localizability

Unitary and Non-Unitary Matrices as a Source of Different Bases of Operators Acting on Hilbert Spaces

Unitary application of the quantum error correction codes

Unitary Braid Matrices: Bridge between Topological and Quantum Entanglements

Unitary Cavity Spin Squeezing by Quantum Erasure

Unitary circuits for strongly correlated fermions

Unitary dynamics for quantum codewords

Unitary equilibration after a quantum quench of a thermal state

Unitary equilibrations: probability distribution of the Loschmidt echo

Unitary equivalence between ordinary intelligent states and generalized intelligent states

Unitary Evolution Between Pure and Mixed States

Unitary expansion of the time evolution operator