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04-06
2017
Quantum Journal Club: Dielectric surface loss in superconducting resonators with flux-trapping holes
内容： Surface distributions of two level system (TLS) defects and magnetic vortices are limiting dissipation sources in superconducting quantum circuits. Arrays of flux-trapping holes are commonly us...
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08-25
2017
Title: Spin condensation and superfluidity in magnetic insulators
内容： Two-fluid spin dynamics in magnetic insulators, which stands broadly for the interplay between the coherent and incoherent spin degrees of freedom, is attracting a growing interest in the field...
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04-13
2017
Quantum Journal Club: Repeated quantum error correction on a continuously encoded qubit by real-time feedback
内容： Reliable quantum information processing in the face of errors is a major fundamental and technological challenge. Quantum error correction protects quantum states by encoding a logical quantum ...
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03-09
2017
Quantum Journal Club: Entanglement of Light-Shift Compensated Atomic SpinWaves with Telecom Light
内容： Entanglement of a 795 nm light polarization qubit and an atomic Rb spin-wave qubit for a storage time of 0.1 s is observed by measuring the violation of Bell’s inequality (S ¼ 2:65 0:12). Lo...
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12-15
2016
Quantum Journal Club: Description of quantum coherence in thermodynamic processes requires constraints beyond free energy
内容： Recent studies have developed fundamental limitations on nanoscale thermodynamics, in terms of a set of independent free energy relations. Here we show that free energy relations cannot properl...
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12-08
2016
Quantum Journal Club: Storage Enhanced Nonlinearities in a Cold Atomic Rydberg Ensemble
内容： The combination of electromagnetically induced transparency with the nonlinear interaction between Rydberg atoms provides an effective interaction between photons. In this Letter, we investigat...