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quant-ph2014★ 559 cited

Confining the state of light to a quantum manifold by engineered two-photon loss

Zaki Leghtas, Steven Touzard, Ioan M. Pop +12

Physical systems usually exhibit quantum behavior, such as superpositions and entanglement, only when they are sufficiently decoupled from a lossy environment. Paradoxically, a spe…

quant-ph2014

Continuous Generation and Stabilization of Mesoscopic Field Superposition States in a Quantum Circuit

Ananda Roy, Zaki Leghtas, A. Douglas Stone +2

While dissipation is widely considered as being harmful for quantum coherence, it can, when properly engineered, lead to the stabilization of non-trivial pure quantum states. We pr…

quant-ph2014★ 4 cited

Parallel Repetition of Free Entangled Games: Simplification and Improvements

André Chailloux, Giannicola Scarpa

In a two-player game, two cooperating but non communicating players, Alice and Bob, receive inputs taken from a probability distribution. Each of them produces an output and they w…

quant-ph2014★ 268 cited

Quantum conditional mutual information and approximate Markov chains

Omar Fawzi, Renato Renner

A state on a tripartite quantum system forms a Markov chain if it can be reconstructed from its marginal on by a quantum operation from to…

quant-ph2014★ 44 cited

Dissipation-induced continuous quantum error correction for superconducting circuits

Joachim Cohen, Mazyar Mirrahimi

Quantum error correction (QEC) is a crucial step towards long coherence times required for efficient quantum information processing (QIP). One major challenge in this direction con…

quant-ph2014★ 13 cited

Quantum-proof randomness extractors via operator space theory

Mario Berta, Omar Fawzi, Volkher B. Scholz

Quantum-proof randomness extractors are an important building block for classical and quantum cryptography as well as device independent randomness amplification and expansion. Fur…