k-Component q-deformed charge coherent states and their nonclassical properties

K-quantum nonlinear coherent states: formulation, realization and nonclassical effects

K-quantum Nonlinear Jaynes-Cummings Model in Two Trapped Ions

k-separability criterion of mixed multipartite quantum states

Kaonic Qubits

KCQ: A New Approach to Quantum Cryptography I. General Principles and Key Generation

Keeking on cavity dynamical Casimir effect via three-level atom

Keeping a Quantum Bit Alive by Optimized $π$-Pulse Sequences

Keeping a Single Qubit Alive by Experimental Dynamic Decoupling

Kepler problem in Dirac theory for a particle with position-dependent mass

Keplerian Squeezed States and Rydberg Wave Packets

Kerr cat states from the four-photon Jaynes-Cummings model

Kerr nonlinear coupler and entanglement

Kerr nonlinearities and nonclassical states with superconducting qubits and nanomechanical resonators

Key Disclosing in Multiphotons with Quantum Cloning

Key distillation from Gaussian states by Gaussian operations

Key distillation from quantum channels using two-way communication protocols

Key Distribution based on Three Player Quantum Games

Key Generation: Foundations and a New Quantum Approach

Key rate available from mismatched mesurements in the BB84 protocol and the uncertainty principle