Long-term stable squeezed vacuum state of light for gravitational wave detectors

Long-time and unitary properties of semiclassical initial value representations

Long-Time Behavior of Macroscopic Quantum Systems: Commentary Accompanying the English Translation of John von Neumann's 1929 Article on the Quantum Ergodic Theorem

Long-time behavior of many-particle quantum decay

Long-Time Coherence in Echo Spectroscopy with $π/2$--$π$--$π/2$ Pulse Sequence

Long-time dynamics of spontaneous parametric down-conversion and quantum limitations of conversion efficiency

Long-time fidelity and chaos for a kicked nonlinear oscillator system

Long-time memory in non-Markovian evolutions

Long-time Protection of Nonlocal Entanglement

Long-time-scale revivals in ion traps

Longer-Baseline Telescopes Using Quantum Repeaters

Looking for symmetric Bell inequalities

Loophole-free Bell test for continuous variables via wave and particle correlations

Loophole-free Bell test for one atom and less than one photon

Loophole-free Bell's experiment and two-photon all-versus-nothing violation of local realism

Loophole-free Einstein-Podolsky-Rosen experiment via quantum steering

Loophole-free test of quantum non-locality using high-efficiency homodyne detectors

Looping on the Bloch sphere: Oscillatory effects in dephasing of qubits subject to broad-spectrum noise

Lorentz covariant reduced-density-operator theory for relativistic quantum information processing

Lorentz Group in Ray Optics