Condensed Matter · Physics & Astronomy
Mesoscale & Nanoscale Physics
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200 papers, from 21 September 2026 to 5 November 2026: 200 arXiv preprints.
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Newest papers, page 5
Finite-width altermagnetic quantum rings: angular-channel hybridization and Aharonov--Bohm physics
We study a finite-width two-dimensional quantum ring with a quadratic $d$-wave altermagnetic term, Tan--Inkson confinement, a perpendicular magnetic field, and independently tunable Aharonov--Bohm…Steering of topological criticality in the Su-Schrieffer-Heeger chain via non-Hermitian substitutional impurities
We investigate the topological phase in a one-dimensional Su-Schrieffer-Heeger (SSH) chain in the presence of a finite concentration of non-Hermitian substitutional impurities.Enhancement of Li and Na Storage in Janus HfSSe Monolayers by Co-Induced Electron-Deficient Chalcogen Sites: A First-Principles Study
The growing demand for high-capacity, fast-charging, and durable rechargeable batteries has intensified the search for advanced electrode materials, with two-dimensional materials offering large…Capturing Open Quantum System Dynamics with Compact Dressed Hamiltonians
We advance the compact dressed Hamiltonian (CDH) framework to simulate the dynamics of open quantum systems strongly coupled to structured bosonic environments.Orbital-angular-momentum control of localized Floquet states and photocurrents in Weyl semimetals
Structured light provides a route to controlling quantum materials not only through its polarization, but also through its spatial profile and orbital angular momentum (OAM).GBClaw: An agentic AI framework for atomistic grain boundary research and mechanistic discovery
Agentic artificial intelligence (AI) systems hold immense potential for automating complex workflows in materials discovery and design, but extending them to domain-intensive mechanistic…Non-Markovian exceptional points and information backflow: a Heisenberg reaction-coordinate approach
The primary pathway to the investigation of exceptional points (EPs) in open quantum systems has been the use of Markovian master equations.Average lower bound on magnetic double-well tunneling with asymptotically large well separation
We study tunneling between two identical, smooth, compactly supported potential wells in a constant perpendicular magnetic field, with the coupling and magnetic field fixed and the well separation…Boundary-Sensitive Quantum Order on Non-Amenable Lattices
We show that quantum systems on non-amenable lattices, whose boundaries constitute an extensive fraction of the system, host novel forms of bulk ordering with no Euclidean counterpart.Quantum Fluctuations and Wigner Dynamics of a Carbon Nanotube Oscillator Driven by an Atomic Force Microscope
Suspended carbon nanotubes provide a useful platform for studying controlled nanomechanical motion in regimes where environmental fluctuations, memory effects, and quantum coherence can all…Concatenated continuous-drive protection of exchange-based spin-qubit gates
Exchange-based two-qubit gates in semiconductor spin qubits are sensitive to low-frequency detuning noise and control errors.Chirality-resolved imaging of spin waves with a quantum spin
Spin waves carry their propagation direction in the handedness of their circularly polarized stray field, a property inaccessible to scalar magnetometers.From quantum emitters to technological platforms: a perspective on semiconductor quantum dots
Photonic quantum technologies are based on controlled photon states.Anyonic Neural Network Wavefunctions
The macroscopic behavior of a non-interacting gas of Abelian anyons has remained unsettled for many decades.Gate-defined quantum dot and charge noise analysis in a Forksheet transistor
We report the cryogenic characterization of a 14-nm nMOS Forksheet transistor down to 10 mK.Casimir forces on suspended thin dielectric membranes covered with graphene
We investigate the Casimir force on thin suspended dielectric layers covered with graphene, both theoretically and experimentally.Theory of Dispersion and Exchange Interactions Subjected to Surface Roughness in Application to Signal Transmission through a Nanoswitch
We present the theoretical description of a resistive nanoswitch designated for a change-over between the two operation modes by calculating the electri elastic, dispersion (van der Waals and…Quantum instanton approach to metastable collective spin systems: Numerical implementation and applications
Driven-dissipative collective spin systems can host several long-lived metastable states; rare switching between them governs slow relaxation and first-order dissipative phase transitions associated…Gyrators for superconducting circuit design
Assuming only the solubility of Kirchhoff's laws, the conservation of energy, and the form of the constitutive relations, we present a flux-charge symmetric Hamiltonian formalism that always admits…Dynamical Decoupling of Nonclassical States in a Biased-Noise Spin Qudit
Encoding quantum information in $d$-dimensional systems (qudits) with $d>2$ offers appealing new directions for resource-efficient quantum computing.