Icon version of the Flipboard logoUnited States Reconstruction approach to quantum dynamics of bosonic systemsaps.org - journals.aps.org We propose an approach to analytically solve the quantum dynamics of bosonic systems. The method is based on reconstructing the quantum state of the …

Environment Steady state thermodynamics of two qubits strongly coupled to bosonic environmentsaps.org - journals.aps.org When a quantum system is placed in thermal environments, we often assume that the system relaxes to the Gibbs state in which decoherence takes place …

Icon version of the Flipboard logoHistoric Sites The American Physical Society announces Historic Sites for 2019 | EurekAlert! Science Newseurekalert.org - www.eurekalert.org The Historic Sites initiative recognizes landmarks significant to physics history across the United States. COLLEGE PARK, MD, October 11, 2019 -- The …

Quantum Physics Measuring coherence of quantum measurementsaps.org - journals.aps.org The superposition of quantum states lies at the heart of physics and has been recently found to serve as a versatile resource for quantum information …

Search Controlled quantum search on structured databasesaps.org - journals.aps.org By proposing two schemes (namely, a multistage and a single-stage one) based on the continuous-time quantum walk (CTQW), we study the quantum search …

Curriculum Development Cross-context look at upper-division student difficulties with integrationaps.org - journals.aps.org We investigate upper-division student difficulties with direct integration in multiple contexts involving the calculation of a potential from a …

NatureQuantum trajectories in spin-exchange collisions reveal the nature of spin-noise correlations in multispecies alkali-metalaps.org - journals.aps.org Spin-exchange collisions in alkali-metal vapors underlie several fundamental and applied investigations such as nuclear structure studies and tests …

Icon version of the Flipboard logoPerovskite Theory of the Role of Covalence in the Perovskite-Type Manganites $[\mathrm{La}, M(\mathrm{II})]\mathrm{Mn}{\mathrm{O}}_{3}$aps.org - journals.aps.org The theory of semicovalent exchange is reviewed and applied to the perovskite-type manganites [La, M(II)]MnO3. With the hypothesis of covalent and …

United States Semiclassical phase reduction theory for quantum synchronizationaps.org - journals.aps.org We develop a general theoretical framework of semiclassical phase reduction for analyzing synchronization of quantum limit-cycle oscillators. The …

Magnetism Biskyrmion lattices in centrosymmetric magnetic filmsaps.org - journals.aps.org A theoretical framework is developed that permits construction of biskyrmion lattices observed in nonchiral magnetic films. Skyrmion and antiskyrmion …

Magnetism Tuning low-energy scales in ${\mathrm{YbRh}}_{2}{\mathrm{Si}}_{2}$ by non-isoelectronic substitution and pressureaps.org - journals.aps.org The heavy-fermion metal YbRh2Si2 realizes a field-induced quantum critical point with multiple vanishing energy scales TN(B) and T*(B). We …

Education Gender differences in the Force Concept Inventory for different educational levels in the United Kingdomaps.org - journals.aps.org The Force Concept Inventory (FCI) is widely used to investigate the effect of education level on conceptual understanding of Newtonian mechanics but …

Photons Quantum radiation reaction in aligned crystals beyond the local constant field approximationaps.org - journals.aps.org We report on experimental spectra of photons radiated by 50-GeV positrons crossing silicon single crystals of thicknesses 1.1, 2.0, 4.2, and 6.2 mm …

Dark Matter Dark Matter in the Universecolgate.edu - calendar.colgate.edu The Lilienfeld prize is awarded by the American Physical Society “in recognition of outstanding contributions to physics by a single individual with …

Creative Commons Attribution Landau-like expansion for phase transitions in stochastic resettingaps.org - journals.aps.org We develop a Landau-like theory to characterize phase transitions in resetting systems. Restart can either accelerate or hinder the completion of a …

Transportation Long-time persistence of hydrodynamic memory boosts microparticle transportaps.org - journals.aps.org In a viscous fluid, the past motion of an accelerating particle is retained as an imprint on the vorticity field, which decays slowly as t−3/2. At …

Creative Commons Attribution Direct measurement of a beta function and an indirect check of the Schwinger effect near the boundary in Dirac semimetalsaps.org - journals.aps.org The electric field inside typical conductors drops down exponentially with the screening length determined by an intrinsic length scale of the system …

Creative Commons Attribution Transition from Dirac points to exceptional points in anisotropic waveguidesaps.org - journals.aps.org We uncover the existence of Dirac and exceptional points in waveguides made of anisotropic materials, and study the transition between them. Dirac …

Physics Topological spin excitations in Harper-Heisenberg spin chainsaps.org - journals.aps.org Many-body spin systems represent a paradigmatic platform for the realization of emergent states of matter in a strongly interacting regime. Spin …

Icon version of the Flipboard logoElectromagnetism Discovery potential of multiton xenon detectors in neutrino electromagnetic propertiesaps.org - journals.aps.org Next-generation xenon detectors with multiton-year exposure are powerful direct probes of dark matter candidates, in particular the favorite weakly …

Quantum Physics Measurements of the band gap of $\mathrm{ThF}{}_{4}$ by electron spectroscopy techniquesaps.org - journals.aps.org We present an experimental determination of the band gap of ThF4 performed by two different techniques. The first measurement was performed by …

Icon version of the Flipboard logoNuclear Energy Siegfried S. Heckerstanford.edu - cisac.fsi.stanford.edu Siegfried S. Hecker is a professor emeritus (research) in the Department of Management Science and Engineering and a senior fellow emeritus at the …

Energy Fine energy splitting of overlapping Andreev bound states in multiterminal superconducting nanostructuresaps.org - journals.aps.org The recent proposals of experiments with single Andreev bound states make relevant a detailed analysis of these states in multiterminal …

Pedagogy Assessment of student understanding on light interferenceaps.org - journals.aps.org Light interference is an essential topic for understanding the wavelike nature of light, however, there are limited studies on modeling and assessing …

Creative Commons Attribution Semiparametric estimation for incoherent optical imagingaps.org - journals.aps.org The theory of semiparametric estimation offers an elegant way of computing the Cramér-Rao bound for a parameter of interest in the midst of …

Energy Ultraslow dynamics in a translationally invariant spin model for multiplication and factorizationaps.org - journals.aps.org We construct a model of short-range interacting Ising spins on a translationally invariant two-dimensional lattice that mimics a reversible circuit …

Creative Commons Attribution Collective dynamics and conformal ordering in electrophoretically driven nematic colloidsaps.org - journals.aps.org We present a theoretical framework to understand the collective dynamics of an ensemble of electrophoretically driven colloidal particles that are …

Icon version of the Flipboard logoCreative Commons Attribution Non-Gaussian normal diffusion in a fluctuating corrugated channelaps.org - journals.aps.org A Brownian particle floating in a narrow corrugated (sinusoidal) channel with fluctuating cross section exhibits non-Gaussian normal diffusion. Its …

Cosmology Analogy between equilibrium beach profiles and closed universesaps.org - journals.aps.org We reformulate the variational problem describing equilibrium beach profiles in the thermodynamic approach of Jenkins and Inman [J. Geophys. Res.: …

Icon version of the Flipboard logoTech Trends Tunable Axion Plasma Haloscopesaps.org - journals.aps.org We propose a new strategy for searching for dark matter axions using tunable cryogenic plasmas. Unlike current experiments, which repair the mismatch …