Article
Physics, Multidisciplinary
Alessio Lerose, Michael Sonner, Dmitry A. Abanin
Summary: Recent works have made progress in understanding nonequilibrium phenomena in thermalizing and many-body localized systems, introducing an approach inspired by the Feynman-Vernon influence functional to study quantum many-body dynamics in interacting spin chains. The focus was on the influence matrix, self-consistency equation, perfect dephaser, and the ability to effectively treat dynamics using matrix-product states. Insights from analytical methods and MPS computations characterized the structure of the influence matrix and predictive power in determining thermalization speed of embedded impurity spins.
Editorial Material
Multidisciplinary Sciences
Pippa Wells
Summary: The discovery of 'weak neutral currents' at CERN 50 years ago was a crucial milestone in establishing the standard model of particle physics, and research in this field continues to progress.
Article
Physics, Multidisciplinary
Kang Yang, Siddhardh C. Morampudi, Emil J. Bergholtz
Summary: The translated text introduces a qualitatively new type of spin liquid with emergent exceptional points when coupled to the environment. This new phase is stable against all perturbations and displays a large sensitivity to boundary conditions, resulting in experimental consequences. The results suggest the emergence of new classes of spin liquids in open systems due to couplings with the environment.
PHYSICAL REVIEW LETTERS
(2021)
Article
Chemistry, Physical
Yang Li, Minshen Zhu, Dmitriy D. Karnaushenko, Fei Li, Jiang Qu, Jinhui Wang, Panpan Zhang, Lixiang Liu, Rachappa Ravishankar, Vineeth Kumar Bandari, Hongmei Tang, Zhe Qu, Feng Zhu, Qunhong Weng, Oliver G. Schmidt
Summary: The downsizing of microelectronic devices requires microbatteries with small footprints and adequate energy density. Current microbattery technology is not compatible with on-chip integration, but a Swiss-roll microelectrode architecture has shown promise in addressing this challenge. This architecture enables ultra-compact device structures and high energy density.
NANOSCALE HORIZONS
(2022)
Article
Physics, Multidisciplinary
Mario Krenn, Jakob S. Kottmann, Nora Tischler, Alan Aspuru-Guzik
Summary: Artificial intelligence (AI) has the potential to disrupt physics and science by helping scientists acquire new scientific understanding. The THESEUS algorithm demonstrates how AI can contribute at a conceptual level in physics, specifically in experimental quantum optics, by providing solutions that human scientists can interpret and derive new scientific concepts from.
Article
Physics, Multidisciplinary
M. Buchhold, Y. Minoguchi, A. Altland, S. Diehl
Summary: The study investigates the state updates of a wave function under time evolution and measurements, identifying a competition between different elements of dynamics. By constructing an n-replica Keldysh field theory, the decoupling of degrees of freedom is found to be exact for free theories, providing insights into the behavior of interacting theories.
Editorial Material
Multidisciplinary Sciences
Sebastian Will, Tanya Zelevinsky
Summary: Manipulating the energy of ultracold molecules can increase the likelihood of complex formation, offering exciting possibilities for controlled chemistry.
Article
Multidisciplinary Sciences
Hui-Ke Jin, W. M. H. Natori, F. Pollmann, J. Knolle
Summary: Recently, the authors have obtained exact results for the spin 3/2 model, and have found gapped and gapless quantum spin liquids. They have used an SO(6) Majorana representation of spin 3/2 to find an exact representation of the conserved plaquette fluxes, similar to the S=1/2 case. Their parton mean-field theory description is in quantitative agreement with numerical simulations and is further confirmed by the addition of a [001] single ion anisotropy. In the presence of a weak [111] anisotropy, they discuss an emergent chiral quantum spin liquid within a perturbation theory.
NATURE COMMUNICATIONS
(2022)
Article
Physics, Multidisciplinary
Manolo R. Lam, Natalie Peter, Thorsten Groh, Wolfgang Alt, Carsten Robens, Dieter Meschede, Antonio Negretti, Simone Montangero, Tommaso Calarco, Andrea Alberti
Summary: This study demonstrates fast coherent transport of an atomic wave packet over a distance exceeding 15 times its size, going beyond the limitations of two-level systems. Measurements reveal the existence of a minimum duration for coherent splitting and recombination of matter waves, known as the quantum speed limit. By relying on a geometric interpretation of quantum state dynamics, physical insight into this limit is obtained.
Article
Physics, Multidisciplinary
Kai Klocke, Joel E. Moore, Jason Alicea, Gabor B. Halasz
Summary: Recent theoretical studies have shown the nontrivial impact of phonons on the thermal Hall conductivity of chiral topological phases. This study introduces mixed mesoscopic-macroscopic devices that allow refined thermal-transport probes of non-Abelian spin liquids with Ising topological order.
Article
Multidisciplinary Sciences
Enrico Facco, Fabio Fracas
Summary: In recent years, the term "quantum-like" has been increasingly used in various disciplines, claiming that certain phenomena share similarities with quantum processes and can be modeled accordingly. It is important to define and share the meaning of "quantum-like" to ensure proper usage and avoid misuse. This concept highlights a connection between pre-Socratic and Eastern philosophies and quantum physics, suggesting a symmetry in their approach. The concept of "quantum-like" can be applied to macroscopic phenomena and empirical sciences outside of physics when there are logical analogies with quantum phenomena and a criterion of truth based on an experiential/scientific approach.
Article
Physics, Multidisciplinary
Niklas Hornedal, Nicoletta Carabba, Apollonas S. Matsoukas-Roubeas, Adolfo del Campo
Summary: This study introduces a bound on the growth of Krylov complexity in quantum isolated systems by using the uncertainty principle. The authors show the conditions for this bound to be saturated and demonstrate that quantum chaos is not strictly necessary for the saturation of the bound.
COMMUNICATIONS PHYSICS
(2022)
Article
Physics, Multidisciplinary
Qidong Fu, Peng Wang, Yaroslav V. Kartashov, Vladimir V. Konotop, Fangwei Ye
Summary: This theoretical study investigates the nonlinear quantized Thouless pumping of a Bose-Einstein condensate loaded in two-dimensional dynamical optical lattices, identifying three different pumping scenarios and highlighting the importance of the initial number of atoms and two-body interactions strength. The article also discusses the role of Chern numbers and two-body interactions in determining the displacement of a wave packet.
PHYSICAL REVIEW LETTERS
(2022)
Editorial Material
Multidisciplinary Sciences
David Gozzard
Summary: Scientists have successfully transmitted time signals across a distance of 300 kilometers with accuracy and precision only limited by the quantum nature of photons. This achievement holds the potential to revolutionize high-precision scientific research using satellites.
Article
Physics, Multidisciplinary
Vitor Dantas, Eric C. Andrade
Summary: Investigated the fate of Kitaev's spin liquid in the presence of disorder in an extended version of the model. Found a power-law divergence in the low-energy limit of the density of states, similar to the Griffiths phase. Power-law singularities are tied to the destruction of the topological phase of the Kitaev model in the presence of bond disorder, but a transition to a topologically nontrivial phase is possible for weak to moderate site dilution.
PHYSICAL REVIEW LETTERS
(2022)
