NEW ARTICLE
Disorder-Induced Transition from Transient Quantum Delocalization to Charge Carrier Hopping Conduction in a Nonfullerene Acceptor Material
Ljiljana Stojanović et al.
Phys. Rev. X 14, 021021 (2024)In organic semiconductors, charge carriers may form delocalized or localized quasiparticles depending on molecular properties and environmental effects. Here, it is shown how structural and electrostatic disorder induce localization.
NEW ARTICLE
Calorimetry of Photon Gases in Nonlinear Multimode Optical Fibers
M. Ferraro et al.
Phys. Rev. X 14, 021020 (2024)Calorimetry experiments with optical beams in multimode fibers reveal that “heat” flows only from a hotter photon gas to a colder one, showing that nonlinear beam propagation respects the second law of thermodynamics.
NEW ARTICLE
Autoparametric Resonance Extending the Bit-Flip Time of a Cat Qubit up to 0.3 s
A. Marquet et al.
Phys. Rev. X 14, 021019 (2024)Cat qubits—a promising route for quantum error correction—can be stabilized with engineered dissipation. A method for increasing the dissipation rate shows greater resiliency of such a qubit to bit-flip errors.
NEW ARTICLE
Realization of a Programmable Multipurpose Photonic Quantum Memory with Over-Thousand Qubit Manipulations
Sheng Zhang et al.
Phys. Rev. X 14, 021018 (2024)A new quantum memory, based on a neutral-atom cloud, demonstrates the ability to manipulate a large stream of optical qubits and to support key applications essential to future, large-scale quantum networks.
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